Annals of Occupational and Environmental Medicine

Original Article

Impact of neck posture and insulating stick use on neck disability in Korean line workers: a cross-sectional study: Bounggyun Ju, Jaehoo Lee, Hye-min Kim, Chul Gab Lee, Hansoo Song; Ann Occup Environ Med 2024;36:e11. Published online April 15, 2024; DOI: https://doi.org/10.35371/aoem.2024.36.e11

Abstract Abstract in Korean PDF Supplementary Material PubReader ePub

Background

Occupational neck disability is a prevalent issue, especially among line workers, who are often exposed to elevated levels of cervical ergonomic stress. The aim of this study was to investigate the impact of neck posture and insulating stick use on neck disability in a specific occupational group in Korea.

Methods

This cross-sectional study was conducted among 483 line workers in Gwangju and Jeonnam, Korea. Data were collected using the Neck Disability Index, Cervical Degenerative Index, and a structured questionnaire focusing on demographic and occupational factors. Logistic regression analysis was applied to determine the adjusted odds ratio (OR) and 95% confidence interval (CI) for neck posture and factors related to neck disability.

Results

Neck disability prevalence was 17.2% among the participants. Multivariate logistic regression analysis showed that factors related to neck disability included age over 60 years (adjusted OR: 3.08; 95% CI: 1.63–5.83), depression (adjusted OR: 8.33; 95% CI: 3.85–18.00), a history of cervical trauma (adjusted OR: 2.13; 95% CI: 1.04–4.40), and radiological degenerative changes in the cervical spine (adjusted OR: 2.33; 95% CI: 1.26–4.33). In particular, the adjusted OR of neck disability among live-line workers was 2.10 (95% CI: 1.12–3.92) when compared with support workers (model 1). Other analysis models showed that use of insulating sticks for more than 10 hours per week (adjusted OR: 2.46; 95% CI: 1.32–4.61) and higher neck extension (adjusted OR: 2.98; 95% CI: 1.14–3.46) were significant work-related risk factors (model 2,3).

Conclusions

Neck posture, age, depression, cervical trauma history, degenerative changes in the cervical spine, and use of insulating sticks are significant risk factors for neck disability among line workers in Korea. These findings highlight the need to improve the working environment and reduce the burden of cervical ergonomic stress among line workers.

한국 배전보수원의 목 부담자세와 절연스틱사용이 목 장애에 미치는 영향
목적
직업성 목 장애는 특히 높은 수준의 목 부담에 자주 노출되는 배전보수원 사이에서 흔한 문제다. 본 연구는 배전보수원을 대상으로 목 부담자세와 절연스틱사 용이 목 장애에 미치는 영향을 알아보고자 한다.
방법
본 단면연구는 광주와 전남 지역의 배전보수원 483명을 대상으로 실시되었다. 목 장애 지수, 경추퇴행성 지수, 인구통계학적 및 직업적 요인에 초점을 맞춘 구조화된 설문지를 사용하여 데이터를 수집했다. 목 부담자세와 목 장애 관련 요인에 대한 보정 교차비와 95% 신뢰구간(CI)을 알아보기 위해 로지스틱 회귀분석을 시행하였다.
결과
목 장애 유병률은 활선작업자(22.6%)에서 가장 높았으며, 연령이 높아질수록 증가하는 경향을 보였다. 목 장애 관련 요인은 우울증(8.13, 95% CI: 4.02~16.43), 경추 외상 병력(3.53, 95% CI: 1.88~6.63), 경추 방사선학적 퇴행성 변화(2.35, 95% CI: 1.36-4.07)였다. 직업적 요인으로 활선작업자의 보정교차비는 2.10 (95% CI: 1.12-3.92)이었고, 절연스틱을 주당 10시간 이상 사용하는 경우 보정교차비는 2.46 (95% CI: 1.32-4.61)이었다. 또한, 높은 목 신전 부담의 보정교차비는 1.98 (95% CI: 1.14-3.46)이었다.
결론
연령, 우울증, 경추 외상, 경추의 퇴행성 변화와 같은 일반적 요인뿐만 아니라 활선작업, 절연스틱 사용, 목 부담 자세와 같은 직업적 요인은 국내 배전보수원의 목 장애를 유발하는 위험 요인이다. 이러한 결과는 배전보수원의 작업환경 개선의 필요성을 시사한다.

Citations

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List of occupational diseases among farmers in Korea: a literature review
Hansoo Song, Seok-Ju Yoo, Won-Ju Park, Seunghyeon Cho, Ki Soo Park, Joo Hyun Sung, Sang Jin Park, Seong-yong Yoon, Kyeongsoo Kim, Dong-phil Choi, Hye-min Kim, Bounggyun Ju, Kanwoo Youn
Ann Occup Environ Med.2025; 37: e2. CrossRef

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Original Article

Population attributable fraction of indicators for musculoskeletal diseases: a cross-sectional study of fishers in Korea: Jaehoo Lee, Bohyun Sim, Bonggyun Ju, Chul Gab Lee, Ki-Soo Park, Mi-Ji Kim, Jeong Ho Kim, Kunhyung Kim, Hansoo Song; Ann Occup Environ Med 2022;34:e23. Published online September 7, 2022; DOI: https://doi.org/10.35371/aoem.2022.34.e23

Abstract Abstract in Korean PDF Supplementary Material PubReader ePub: Background
The musculoskeletal disease (MSD) burden is an important health problem among Korean fishers. We aimed to investigate the indicators of the prevalence of MSD and contributions of significant indicators to MSD in Korean fishers.
Methods
This cross-section study included 927 fishers (male, 371; female, 556) aged 40 to 79 years who were enrolled from 3 fishery safety and health centers. The outcome variable was one-year prevalence of MSD in 5 body parts (the neck, shoulder, hand, back, and knee). Independent variables were sex, age, educational attainment, household income, job classification, employment xlink:type, hazardous working environment (cold, heat, and noise), ergonomic risk by the 5 body parts, anxiety disorder, depression, hypertension, diabetes, and hyperlipidemia. The adjusted odds ratio of MSDs by the 5 body parts were calculated using multiple logistic regression analysis. We computed the population attributable fraction (PAF) for each indicators of MSDs using binary regression models.
Results
The one-year prevalence of MSD in the neck, shoulder, hand, back, and knee was 7.8%, 17.8%, 7.8%, 27.2%, and 16.2% in males vs. 16.4%, 28.1%, 23.0%, 38.7%, and 30.0% in females, respectively. The ergonomic risk PAF according to the body parts ranged from 22.8%–59.6% in males and 22.8%–50.3% in female. Mental diseases showed a significant PAF for all body parts only among female (PAF 9.1%–21.4%). Cold exposure showed a significant PAF for the neck, shoulder, and hand MSD only among female (25.6%–26.8%). Age was not a significant indicator except for the knee MSD among female.
Conclusions
Ergonomic risk contributed majorly as indicators of MSDs in both sexes of fishers. Mental disease and cold exposure were indicators of MSDs only among female fishers. This information may be important for determining priority risk groups for the prevention of work-related MSD among Korean fishers.; 어업인의 근골격계질환 관련인자의 인구집단 기여위험분율에 관한 단면연구
목적
한국 어업인들의 근골격계질환 유병률에 대한 관련인자의 인구집단 기여위험도를 조사하는 것이다.
방법
본 연구의 대상은 3개 어업안전보건센터에 소속된 40-79세 어업인 927명(남성 371명, 여성 556명)이다. 결과 변수는 구조화된 설문지에 따른 5개 신체 부위(목, 어깨, 손, 허리, 무릎)의 근골격계질환 1년 유병률이다. 독립변수는 성별, 연령, 최종학력, 가구소득, 고용형태, 세부업종, 유해 작업환경(추위, 더위, 소음), 신체부담작업수준, 불안장애, 우울증, 고혈압, 당뇨, 고지혈증이다. 다중 로지스틱 회귀분석을 사용하여5개 신체부위별 근골격계질환의 오즈비를 산출하였다. 이를 이용하여 근골격계질환에 대한 각 변수별로 인구집단 기여위험분율(PAF)를 계산하였다.
결과
남성에서 근골격계질환 1년 유병률은 목7.8%, 어깨17.8%, 손7.8%, 허리27.2%, 무릎16.2% 이다. 여성의 1년 근골격계질환 1년유병률은 목 16.4%, 어깨 28.1%, 손 23.0%, 등 38.7%, 무릎 30.0% 이다. 신체 부위에 따른 신체부담작업의 기여위험분율은 남성 22.8-59.6%, 여성 22.8-50.3%이다. 정신질환은 여성에서만 모든 신체부위에서 유의한 기여위험분율을 보였다(9.1%-21.4%). 추위 노출은 여성에서만 목, 어깨, 손 근골격계질환에 대해 유의미한 기여위험분율을 보였다(25.6%-26.8%). 나이는 여성에서 무릎을 제외하고는 유의한 인자가 아니다.
결론
신체부담작업은 남성, 여성 모두에서 근골격계질환에 대한 주요 기여 변수이다. 정신 질환과 추위 노출은 여성 어업인에서만 근골격계질환에 기여를 한다. 본 연구는 어업인들의 업무관련성 근골격계질환 예방을 위한 우선순위 판단에 정보를 제공할 것이다.

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Original Article

Radiographic hand osteoarthritis in women farmers: characteristics and risk factors: Bohyun Sim, Jaehoo Lee, Chul Gab Lee, Hansoo Song; Ann Occup Environ Med 2022;34:e10. Published online May 16, 2022; DOI: https://doi.org/10.35371/aoem.2022.34.e10

Abstract Abstract in Korean PDF Supplementary Material PubReader ePub

Background

Repetitive hand use increases the risk of hand osteoarthritis (OA). This study aimed to investigate characteristics of and risk factors for hand OA in Korean women farmers.

Methods

This cross-sectional study included women farmers resident in Jeollanam-do, Korea. The participants were interviewed, and radiographs were taken of both hands. Radiological hand OA was defined based on the Osteoarthritis Research Society International imaging criteria of joint space narrowing or the presence of osteophytes. The participants were divided into age groups of < 60 and ≥ 60 years. Obesity was defined as body mass index of > 25 kg/m². Annual working time was divided into < 2,000, 2,000–2,999, and ≥ 3,000 hours. Agricultural working type was divided into rice farming and field farming. Robust Poisson regression was used to identify factors associated with radiographic hand OA, with adjustment for age, obesity, annual working time, and agricultural classification.

Results

A total of 310 participants with a mean age of 58.1 ± 7.6 years, were enrolled. The prevalence of radiologically confirmed OA was 49.0%, with an OA prevalence of 39.4% the interphalangeal joint in the thumb (IP1). The prevalence of OA was higher in the distal interphalangeal joint than in the proximal interphalangeal, metacarpophalangeal, and carpometacarpal joints. The prevalence of OA varied by age, annual working time, and agriculture type.

Conclusions

Korean women farmers have a high prevalence of OA, particularly in the IP1 joints. OA is associated with age, working hours, and agriculture type.

여성농업인에서 영상학적 손관절염의 특징과 관련인자
목적
본 연구에서는 반복적인 손사용이 많아 손관절염 위험이 높은 여성농업인에서 손관절염의 특징과 위험인자에 대하여 알아보고자 한다.
방법
본 연구에서는 반복적인 손사용이 많아 손관절염 위험이 높은 여성농업인에서 손관절염의 특징과 위험인자에 대하여 알아보고자 한다.
결과
대상자의 평균연령은 58.1세, 표준편차 7.6세 였다. 방사선학적 손관절염의 유병률은 개인수준에서 49.0%였으며, 관절별로는 엄지손가락의 지절간관절이 39.4%로 가장 높은 유병률을 나타냈다. 본 연구에서 개인수준의 방사선학적 손관절염과 관련성을 보인 요인은 나이와 작업시간이었다. 특히 엄지손가락 지절간관절의 관절염은 나이와 연간작업시간이외에도 농작업종류와도 관련성을 보여, 밭작업에서 높은 오즈비를 보였다.
결론
엄지손가락의 지절간관절이 가장 높은 유병률을 보였고, 연령이외에도 연간농작업시간, 농작업 종류와 같은 직업적 요인과의 관련성이 확인되었다.

Citations

Citations to this article as recorded by

Effects of regional variations and occupation on hand osteoarthritis: Insights from the research on osteoarthritis/osteoporosis against disability study
Ichiko Kojima, Kosuke Uehara, Toshiko Iidaka, Rie Kodama, Shigeyuki Muraki, Hiroyuki Oka, Hiroshi Kawaguchi, Toru Akune, Hiroshi Hashizume, Hiroshi Yamada, Munehito Yoshida, Yutaka Morizaki, Kozo Nakamura, Sakae Tanaka, Noriko Yoshimura
Modern Rheumatology.2025;[Epub] CrossRef
What is the most important mechanical factor involved in trapeziometacarpal osteoarthritis development? A sensitivity analysis based on biomechanical modelling
Thomas Valerio, Jean-Louis Milan, Benjamin Goislard de Monsabert, Laurent Vigouroux
Computer Methods in Biomechanics and Biomedical Engineering.2024; : 1. CrossRef
Hand Osteoarthritis in Elderly Women with Primary Knee Osteoarthritis: Prevalence and Pattern in the Indian Population
Pooja Dhaon, Astha Singh, Kushal Singh, Siddharth Tiwari, Haseeb Khan
Indian Journal of Rheumatology.2024;[Epub] CrossRef
Identification of susceptibility modules and hub genes of osteoarthritis by WGCNA analysis
Yanchao Wang, Wenjun Zhou, Yan Chen, Dong He, Zhen Qin, Zhao Wang, Song Liu, Lei Zhou, Jianwen Su, Chi Zhang
Frontiers in Genetics.2022;[Epub] CrossRef

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Research Article

Characteristics of lumbar disc degeneration and risk factors for collapsed lumbar disc in Korean farmers and fishers: Chaeyoung Hong, Chul Gab Lee, Hansoo Song; Ann Occup Environ Med 2021;33:e16. Published online May 14, 2021; DOI: https://doi.org/10.35371/aoem.2021.33.e16

Abstract Abstract in Korean PDF Supplementary Material PubReader ePub

Background

Few studies have investigated the risk factors for lumbar intervertebral disc degeneration among hard physical workers involved in heavy lifting. In this study, we aimed to identify the characteristics of lumbar intervertebral disc degeneration and evaluate the relationship between collapsed lumbar disc and potential risk factors in farmers and fishers.

Methods

This study included 203 farmers (103 men and 100 women) and 166 fishers (95 men and 71 women) aged 40–69 years who had undergone lumbar magnetic resonance imaging and were enrolled in the Korea Farmer's Knee Cohort and the Jeonnam Fishers' Cohort. We evaluated each of the 5 lumbar discs using the Pfirrmann grading system and classified collapsed lumbar intervertebral disc (cLD) as a case with ≥ 1 grade 5 at any disc level. We investigated potential risk factors, such as gender, age, body mass index (BMI), working hours per day, working months per year, and cumulative heavy lifting working time (CLWT). The odds ratios (ORs) and their corresponding 95% confidence intervals (CIs) were calculated.

Results

The prevalence of cLD was 19.8% (23.7% among fishers, 21.2% among fishers with farming, and 17.2% among farmers). cLD correlated with factors such as age and occupation. Gender, CLWT and the working time matrix were not significantly associated with cLD. The OR of cLD adjusted by gender, age, BMI, and working time matrix was 1.26 (95% CI: 0.69–2.30) for ≥ 5,000 hours CLWT compared to that for < 2,000 hours CLWT. The OR of cLD adjusted by gender, age, BMI, CLWT, and working time matrix was 2.08 (95% CI: 1.06–4.06) for fishers compared to that for farmers.

Conclusions

Heavy lifting did not show a significant association with cLD in farmers and fishers. However, there is possibility that fishers are at a higher risk of lumbar disc collapse than farmers.

한국 농어업인의 요추추간판 퇴행성변화의 특징과 요추추간판붕괴의 위험요인
목적
중량물을 운반하는 육체노동자들의 요추추간판 퇴행성변화의 위험인자에 관한 연구는 많지 않다. 본 연구에서는 농어업인의 요추추간판의 퇴행성변화의 특성을 파악하고, 요추추간판붕괴의 위험 요인을 알아보고자 하였다.
방법
본 연구는 한국농업인무릎관절염코호트에 등록된 농업인과 전남어업인코호트에 등록된 어업인 중 요추 자기공명영상을 촬영하였던 40-69세를 대상으로 하였다. 본 연구대상자수는 농업인 203명 (남성 103명, 여성 100명)과 어업인 166명 (남성 95명, 여성 71명)이다. 연구자들은 Pfirrmann 등급 체계를 사용하여 5개의 요추 디스크를 각각 평가하고 모든 디스크 레벨에서 Pfirrmann 등급 5이상인 경우를 ‘요추추간판붕괴’(디스크간격이 50%미만으로 감소)로 분류했다. 성별, 연령, 체질량지수, 일일 근로 시간, 연간 근로 개월 수, 생애누적들기작업시간과 같은 위험요인을 조사하였고, 이를 보정한 오즈비와 95 % 신뢰구간을 산출하였다.
결과
요추추간판붕괴의 유병률은 19.8%(어업인 23.7%, 농업을 겸업하는 어업인 21.2%, 농업인 17.2%)였다. 요추추간판붕괴는 연령 및 직업과 상관관계가 있었다. 반면, 성별, 생애누적들기작업시간, 일일근로시간과 연간근로개월수로 구성된 근무시간요인은 요추추간판붕괴와 유의한 관련성을 보이지 않았다. 보정된 요추추간판붕괴의 오즈비는 생애누적들기작업시간이 2,000시간 미만인 경우에 비해 5,000시간 이상인 경우 어업인의 경우 1.26 (95 % CI 0.69–2.30)이었다. 반면, 보정된 요추추간판붕괴의 오즈비는 농업인에 비해 어업인의 경우 2.08 (95 % CI 1.06–4.06)이었다.
결론
본 연구에서 중량물들기작업시간은 요추추간판의 붕괴와 유의한 연관성을 보이지 않았다. 그러나 어업인의 경우 농업인보다 요추추간판붕괴가 유의하게 많았다.

Citations

Citations to this article as recorded by

Risk Factors for Musculoskeletal Disorders in Korean Farmers: Survey on Occupational Diseases in 2020 and 2022
Jinheum Kim, Kanwoo Youn, Jinwoo Park
Healthcare.2024; 12(20): 2026. CrossRef
Bushen Huoxue Formula Modulates Autophagic Flux and Inhibits Apoptosis to Protect Nucleus Pulposus Cells by Restoring the AMPK/SIRT1 Pathway
Shang Gao, Nianhu Li, Renchang Chen, Youxiang Su, Yun Song, Songlin Liang, Vasiliki Galani
BioMed Research International.2022;[Epub] CrossRef
Radiographic hand osteoarthritis in women farmers: characteristics and risk factors
Bohyun Sim, Jaehoo Lee, Chul Gab Lee, Hansoo Song
Annals of Occupational and Environmental Medicine.2022;[Epub] CrossRef
Lumbar Disk Herniation: A Clinical Epidemiological and Radiological Evaluation
Edona Sopaj Azemi, Sandër Kola, Irena Kola, Marjeta Tanka, Fatmir Bilaj, Erjona Abazaj
Open Access Macedonian Journal of Medical Sciences.2022; 10(B): 1588. CrossRef
Population attributable fraction of indicators for musculoskeletal diseases: a cross-sectional study of fishers in Korea
Jaehoo Lee, Bohyun Sim, Bonggyun Ju, Chul Gab Lee, Ki-Soo Park, Mi-Ji Kim, Jeong Ho Kim, Kunhyung Kim, Hansoo Song
Annals of Occupational and Environmental Medicine.2022;[Epub] CrossRef

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Research Article

Work-related factors of knee osteoarthritis in Korean farmers: a cross-sectional study: Han Soo Song, Dong Hwi Kim, Gwang Chul Lee, Kweon Young Kim, So Yeon Ryu, Chul Gab Lee; Ann Occup Environ Med 2020;32:e37. Published online November 13, 2020; DOI: https://doi.org/10.35371/aoem.2020.32.e37

Abstract PDF PubReader ePub

Background

Several studies have reported a high prevalence of osteoarthritis (OA) of the knee among agricultural workers. We investigated work-related factors that increase the risk of knee OA among Korean farmers.

Methods

Data were extracted from the Jeonnam Center for Farmer's Safety and Health survey, conducted between 2013 and 2015. The sample included 489 farmers (man 240, woman 249). We defined knee OA as radiographic knee OA (≥ Kellgren-Lawrence grade 2) with symptoms (≥ Western Ontario and McMaster Universities Osteoarthritis, Korean version score 29.5). We considered covariates such as cumulative squatting working time (CSWT), cumulative heavy lifting working time (CLWT), body mass index (BMI), and history of knee injury. Odds ratios (ORs) and their corresponding 95% confidence intervals (CIs) were calculated for knee OA and adjusted for relevant covariates.

Results

The results of multivariate logistic regression analysis indicated that knee OA was correlated by factors such as sex, age, BMI, history of knee injury, CSWT, and CLWT. Particularly, CSWT > 20,000 hours (OR: 2.83; 95% CI: 1.35–5.92; reference < 10,000 hours) and CLWT > 5,000 hours (OR: 2.62; 95% CI: 1.14–6.06; reference < 2,000 hours) were associated with an increased risk of knee OA after adjustment for covariates.

Conclusions

Squatting posture and heavy lifting associated with farm work might increase the risk of knee OA among Korean farmers.

Citations

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Radiographic Knee Osteoarthritis Is a Risk Factor for the Development of Dementia: Locomotive Syndrome and Health Outcomes in the Aizu Cohort Study
Yuji Endo, Hiroshi Kobayashi, Kazuyuki Watanabe, Koji Otani, Kenichi Otoshi, Hironori Numazaki, Miho Sekiguchi, Mari Sato, Takuya Nikaido, Rei Ono, Shin-ichi Konno, Yoshihiro Matsumoto
Journal of Clinical Medicine.2024; 13(16): 4956. CrossRef
Discovering hidden strengths: How a passive lower extremity exoskeleton boosts the isometric pulling capacity to new heights
Jangwhon Yoon
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Hiroharu Kamioka, Hiroyasu Okuizumi, Shuichi Handa, Jun Kitayuguchi, Reiko Machida
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Research Article

Factors related to femoral bowing among Korean female farmers: a cross-sectional study: Sangyoon Do, Chul Gab Lee, Dong Hwi Kim, GwangChul Lee, Kweon Young Kim, So Yeon Ryu, Hansoo Song; Ann Occup Environ Med 2020;32:e23. Published online July 2, 2020; DOI: https://doi.org/10.35371/aoem.2020.32.e23

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Background

Female farmers have a high prevalence of knee osteoarthritis (KOA) in South Korea. Femoral bowing has been reported to be related to KOA by increasing load on the mechanical axis. This study aimed to investigate factors related to femoral bowing in Korean female farmers.

Methods

We analyzed the legs of 264 female farmers registered with the Korea farmers' knee cohort of Jeonnam Center for Farmers' Safety and Health. A structured questionnaire was used to determine sociodemographic variables, agricultural career, cumulative squatting working time (CSWT), and cumulative heavy lifting working time. Femoral bone density was measured and Kellgren-Lawrence (KL) grades were obtained from the knee radiographs. Mechanical axis angle (MAA), femoral bowing angle (FBA), anatomical lateral distal femoral angle (aLDFA), anatomical medial proximal tibial angle (aMPTA), and condylar-plateau angle (CPA) were measured. We examined the relationship between the FBA and related factors by using multiple linear regression.

Results

The proportion of individuals with radiographic KOA (≥ KL grade 2) in this study was 37.9%. As KL grades increased, MAA, FBA, and CPA increased, whereas aLDFA and aMPTA decreased. FBA increased with age. Multiple linear regression analyses using FBA as a dependent variable showed relationship with higher age, lower height, higher BMI, lower bone mineral density, longer CSWT, and longer agricultural careers.

Conclusions

The results of this study suggest that external factors related to agricultural work in female farmers was associated with femoral bowing, in addition to internal factors such as age, bone density, height, and obesity.

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Haoyu Xin, Xiaoxiao Li, Yuqing Zhang, Chao Zeng, Guanghua Lei, Tuo Yang, Jie Wei
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Gender, BMI, and Age‐Related Variations in Lower Limb Alignment Parameters and CPAK Phenotypes in Chinese Patients with Knee Osteoarthritis
Songlin Li, Xi Chen, Sen Liu, Hongjun Xu, Yang Yu, Shanni Li, Zhaojing Yin, Yiyang Du, Miaomiao Zhang, Peilai Liu, Wenwei Qian
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Doohyun Hwang, Min Wook Choi, Seong-Hwan Kim, Hyuk-Soo Han, Chong Bum Chang, Myung Chul Lee, Na-Kyoung Lee, Du Hyun Ro
The Knee.2023; 45: 198. CrossRef
Do Individualized Patient-Specific Situations Predict the Progression Rate and Fate of Knee Osteoarthritis? Prediction of Knee Osteoarthritis
Hyun Jin Yoo, Ho Won Jeong, Sung Bae Park, Seung Jae Shim, Hee Seung Nam, Yong Seuk Lee
Journal of Clinical Medicine.2023; 12(3): 1204. CrossRef
Associations between long-term exercise participation and lower limb joint and whole-bone geometry in young and older adults
Matteo Scorcelletti, Jochen Zange, Jonas Böcker, Wolfram Sies, Patrick Lau, Uwe Mittag, Neil D. Reeves, Alex Ireland, Jörn Rittweger
Frontiers in Physiology.2023;[Epub] CrossRef
Chronological Changes in Sagittal Femoral Bowing after Primary Cementless Total Hip Arthroplasty: A Comparative 3D CT Study
Francesco Pardo, Antonino Amedeo La Mattina, Emanuele Diquattro, Stefano Lucchini, Marco Viceconti, Andrea Minerba, Francesco Castagnini, Francesco Traina
Journal of Personalized Medicine.2023; 13(12): 1704. CrossRef
Femoral bowing in the Arab population: A cross-sectional study and literature review
Randa Elsheikh, Abdelrahman M. Makram, Omar Mohamed Makram, Ahmed Tamer, Mahmoud A. Hafez
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Radiographic hand osteoarthritis in women farmers: characteristics and risk factors
Bohyun Sim, Jaehoo Lee, Chul Gab Lee, Hansoo Song
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Work-related factors of knee osteoarthritis in Korean farmers: a cross-sectional study
Han Soo Song, Dong Hwi Kim, Gwang Chul Lee, Kweon Young Kim, So Yeon Ryu, Chul Gab Lee
Annals of Occupational and Environmental Medicine.2020;[Epub] CrossRef

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Research Article

Effects of work-related factors on self-reported smoking among female workers in call centers: a cross-sectional study: Young Joon Yang, Young Hoon Moon, Sang Yoon Do, Chul Gab Lee, Han Soo Song; Ann Occup Environ Med 2019;31:4. Published online February 12, 2019; DOI: https://doi.org/10.1186/s40557-019-0286-8

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Objectives

This study conducted to investigate work-related factors in relation to smoking among women working in call centers in Gwangju, South Korea.

Methods

From 56 call centers (7320 employees), we selected 10 and conducted a survey using a structured questionnaire by randomly selecting 10% of workers from each center. A total of 387 subjects participated in this survey We analyzed for 375 respondents, after excluding men and those with missing responses. We analyzed the relationships of work-related factors such as emotional labor, workplace violence, employment type, annual salary, working hours, employment period with smoking, using multiple logistic regression analysis. Emotional labor and workplace violence were measured using the Korean Emotional Labor Scale (K-ELS) and Korean Workplace Violence Scale (K-WVS).

Results

The prevalence of current smoking among call center female workers was 13.6%. Univariate analysis showed that “Emotional disharmony and hurt”, “Experience of psychological and sexual violence from supervisors and co-workers” among items of K-ELS and K-WVS, working hours, annual salary correlated with smoking. After adjusting for emotional labor, workplace violence, employment type, annual salary, working hours, employment period, and age, only working hours show a significant association with smoking. Women who worked 40–49 h had 3.50 times (95% CI = 1.04–11.80) and worked more than 50 h had 8.68 times (95% CI = 1.89–39.78) greater odds of smoking as compared with women who worked less than 40 h.

Conclusions

Smoking was associated with working hours among female workers in call center. However, emotional labor and workplace violence did not show significant relationships with smoking.

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Seong-Uk Baek, Yu-Min Lee, Jong-Uk Won, Jin-Ha Yoon
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Heejoo Ko, Dohwan Kim, Seong-Sik Cho, Dong-Wook Lee, Jaesung Choi, Minseok Kim, Min Young Park, Mo-Yeol Kang
Journal of Occupational Health.2024;[Epub] CrossRef
Smoking in the workplace: A study of female call center employees in South Korea
Hyunjin Oh, Sunjoo Boo, Petri Böckerman
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Yuan Yang, Yue Li, Ying An, Yan-Jie Zhao, Ling Zhang, Teris Cheung, Brian J. Hall, Gabor S. Ungvari, Feng-Rong An, Yu-Tao Xiang
Frontiers in Psychiatry.2021;[Epub] CrossRef

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Research Article

Evaluation of the prevalence of musculoskeletal symptoms, presumptive diagnosis, medical care use, and sick leave among female school meal service workers: Young Hoon Moon, Young Joon Yang, Sang Yoon Do, Jae Yoon Kim, Chul Gab Lee, Hong Jae Chae, Soo Hyeon Kim, Han Soo Song; Ann Occup Environ Med 2019;31:1. Published online January 15, 2019; DOI: https://doi.org/10.1186/s40557-019-0281-0

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Background

Most of the school meal service workers in Korea are middle-aged individuals. They have high workload, which increases their incidence of musculoskeletal disorders. This study aimed to evaluate the prevalence and risk factors of subjective musculoskeletal symptoms, presumptive diagnosis, medical care use, and sick leave among female school meal workers.

Methods

We analyzed the results of musculoskeletal disease screening of 1581 female school meal workers. The screening consisted of self-administered questionnaire, history taking by occupational physicians, and physical examination. The prevalence of subjective musculoskeletal symptoms, presumptive diagnosis after initial examination by occupational physicians, use of medical care for more than 7 days, and sick leave due to musculoskeletal diseases during the past year were evaluated in this study. The relative risk of four outcome indicators of musculoskeletal disorders was compared with respect to potential factors, such as age, subjective physical loading, present illness, injury experience, and type of school, using log-binomial regression.

Results

The prevalence of subjective musculoskeletal symptom was 79.6%; presumptive diagnosis, 47.6%; hospital visits over 7 days, 36.4%; and sick leave, 7.3%. The relative risk of musculoskeletal symptoms by age (≥50 years vs < 50 years) was 1.04 (95% confidence interval (CI): 1.00–1.09); presumptive diagnosis of musculoskeletal disease, 1.17 (95% CI: 1.06–1.30); hospital visits over 7 days, 1.26 (95% CI: 0.85–1.85); and sick leave, 1.17 (95% CI: 1.02–1.34). The relative risk of musculoskeletal symptoms due to subjective physical loading (very hard vs low) was 1.45 (95% CI: 1.33–1.58); presumptive diagnosis, 2.92 (95% CI: 2.25); hospital visits over 7 days, 1.91 (95% CI: 1.02–3.59); and sick leave, 2.11 (95% CI: 1.63–2.74).

Conclusions

Subjective physical loading was a more important factor in musculoskeletal disorders than the age of female school meal workers.

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Epidemiology of work-related injuries, musculoskeletal disorders and dermatitis among hospital food service workers in a tertiary hospital in Asia
Kenneth Bao Ren Leong, Qin Xiang Ng, Wee Hoe Gan, Wee Tong Ng, John Wah Lim
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Potential Hazards and Associated Causal Factors in the Occupational Environment of Palm Oil Workers
Afifah Salsabilla Istisya, Hanifa Maher Denny, Yuliani Setyaningsih
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Christopher J. Hodgetts, Charlotte Leboeuf-Yde, Amber Beynon, Bruce F. Walker
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Lito M AMIT, Gerald T MALABARBAS
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Case Report

Cases of acute mercury poisoning by mercury vapor exposure during the demolition of a fluorescent lamp factory: Sang Yoon Do, Chul Gab Lee, Jae Yoon Kim, Young Hoon Moon, Min Sung Kim, In Ho Bae, Han Soo Song; Ann Occup Environ Med 2017;29:19. Published online June 20, 2017; DOI: https://doi.org/10.1186/s40557-017-0184-x

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Background

In 2015, workers dismantling a fluorescent lamp factory in Korea were affected by mercury poisoning from exposure to mercury vapor.

Case presentation

Eighteen out of the 21 workers who participated in the demolition project presented with symptoms of poisoning and, of these, 10 had persistent symptoms even at 18 months after the initial exposure to mercury vapor. Early symptoms of 18 workers included a general skin rash, pruritus, myalgia, sleep disturbance, and cough and sputum production. Following alleviation of these initial symptoms, late symptoms, such as easy fatigue, insomnia, bad dreams, and anxiety disorder, began to manifest in 10 out of 18 patients. Seven workers underwent psychiatric care owing to sleep disturbance, anxiety disorder, and depression, and three workers underwent dermatologic treatment for hyperpigmentation, erythematous skin eruption, and chloracne-like skin lesions. Furthermore, three workers developed a coarse jerky movement, two had swan neck deformity of the fingers, and two received care at an anesthesiology clinic for paresthesia, such as burning sensation, cold sensation, and pain. Two workers underwent urologic treatment for dysfunction of the urologic system and impotence. However, symptomatic treatment did not result in satisfactory relief of these symptoms.

Conclusion

Awareness of the perils of mercury and prevention of mercury exposure are critical for preventing health hazards caused by mercury vapor. Chelation therapy should be performed promptly following mercury poisoning to minimize damage.

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Mercy Wendy Wanyana, Friday E. Agaba, Deogratias K. Sekimpi, Victoria N. Mukasa, Geoffrey N. Kamese, Nkonge Douglas, John C. Ssempebwa
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Case Report

Systemic sclerosis due to crystalline silica exposure among jewelry workers in Korea: two case reports: Jae Yoon Kim, Sang Yoon Do, Young Hoon Moon, Chul Gab Lee, Yun Sung Kim, Byung Soon Choi, Eun-A Kim, Han Soo Song; Ann Occup Environ Med 2017;29:18. Published online June 19, 2017; DOI: https://doi.org/10.1186/s40557-017-0176-x

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Background

Occupational exposure to crystalline silica is a potential risk factor for various systemic autoimmune diseases including systemic sclerosis. The etiology of systemic sclerosis is not conclusively known, but there are epidemiological studies that show the relationship between exposure to crystalline silica and risk of systemic sclerosis. Here we report, for the first time, two cases of crystalline silica-related systemic sclerosis in patients who worked in crystal processing in the jewelry-manufacturing field.

Case presentation

Case 1 is a 57-year-old man who had worked mainly in crystal processing for multiple jewelry-processing companies for 17 years, since the age of 15 years. He contracted tuberculosis at the age of 25 years and showed Raynaud’s phenomenon of both the hands and feet at age 32 years. Digital cyanosis and sclerosis developed at approximately age 41 years. The patient was diagnosed with systemic sclerosis at age 48 years.

Case 2 is a 52-year-old man who worked in crystal processing for various jewelry-processing companies for 7 years, since the age of 23 years. He first showed signs of cyanosis in the third and fourth digits of both hands at age 32 years, was diagnosed with Raynaud’s syndrome at age 37 years, and was diagnosed with systemic sclerosis at age 38 years.

Crystal processing is a detailed process that involves slabbing and trimming the selected amethyst and quartz crystals, which requires close proximity of the worker’s face with the target area. In the 1980s and 1990s, the working hours were 12 h per day, and the working environment involved 15 workers crowded into a small, 70-m² space with poor ventilation.

Conclusion

Two workers who processed crystals with a maximum crystalline silica content of 56.66% developed systemic sclerosis. Considering the epidemiological and experimental evidence, exposure to crystalline silica dust was an important risk factor for systemic sclerosis. An active intervention is necessary to reduce exposure in similar exposure groups in the field of jewelry processing.

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Geographic Clustering of Systemic Sclerosis in Areas of Environmental Pollution
Noelle N. Kosarek, Megan E. Romano, Erika L. Moen, Robert W. Simms, Ashleigh Erickson, Dinesh Khanna, Patricia A. Pioli, Michael L. Whitfield
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Reena K. Sharma, Mudita Gupta
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Ulrike Brückner, Elisabeth Bonifer, Joachim Schneider
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Research Article

Air pollution and urinary n-acetyl-B-glucosaminidase levels in residents living near a cement plant: Min Soo Jung, Jae Yoon Kim, Hyun Seung Lee, Chul Gab Lee, Han Soo Song; Ann Occup Environ Med 2016;28:52. Published online September 29, 2016; DOI: https://doi.org/10.1186/s40557-016-0138-8

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Background

To identify adverse renal effects due to air pollution derived from a cement plant in Korea. Urinary n-acetyl-B-glucosaminidase (U-NAG) levels in residents living near a cement plant were compared to those in a group who lived farther away from the plant.

Methods

From June to August 2013 and from August to November 2014, laboratory tests for U-NAG and heavy metal were conducted on 547 study participants. Based on the level of air pollution exposure, subjects were divided into the “less exposed group,” (LEG) which consisted of 66 persons who lived more than 5 km away from the cement plant, the “more exposed group from the rural area” (MEG-R), which consisted of 272 persons, and the “more exposed group from downtown area” (MEG-D), which consisted of 209 persons who lived within a 1 km radius of the cement plant. U-NAG levels >5.67 U/L were defined as “higher U-NAG” levels. We compared the prevalence of higher U-NAG levels and estimated the adjusted odds ratio (OR) by air pollution exposure using a chi-square test and multiple logistic regression analysis. Further, we estimated the interaction between air pollution exposure and heavy metal exposure in renal toxicity.

Results

The OR of higher U-NAG levels by MEG-D and MEG-R compared to LEG was 2.13 (95 % CI 0.86–4.96) and 4.79 (95 CI 1.65–10.01), respectively. Urinary cadmium (U-Cd), urinary mercury (U-Hg), age, occupation, hypertension, and diabetes had a significant association with higher U-NAG levels. However, blood lead (B-Pb), sex, and smoking were not associated with higher U-NAG. Especially, concurrent exposure to heavy metals (U-Hg or/and U-Cd) and air pollution had an additive adverse effect. In the group with both 4^th quartile heavy metal exposure (U-Cd or/and U-Hg) and air pollution exposure, the OR in MEG-R and MEG-D was 6.49 (95 % 1.42–29.65) and 8.12 (95 % CI 1.74–37.92), respectively, after adjustment for age, occupation, hypertension, diabetes.

Conclusions

U-NAG levels seem to be affected by air pollution exposure as well as age, hypertension, diabetes, and even low levels of cadmium and low levels of mercury. Moreover, concurrent exposure to heavy metals and air pollution can have additive cytotoxic renal effects.

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Research Article

Emphysema prevalence related air pollution caused by a cement plant: Hyun Seung Lee, Chul Gab Lee, Dong Hun Kim, Han Soo Song, Min Soo Jung, Jae Yoon Kim, Choong Hee Park, Seung Chul Ahn, Seung Do Yu; Ann Occup Environ Med 2016;28:17. Published online April 7, 2016; DOI: https://doi.org/10.1186/s40557-016-0101-8

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Background

To identify adverse pulmonary health effects due to air pollution derived from a cement plant in Korea. The emphysema prevalence in residents around a cement plant was compared to that in the group who live far away from the plant by chest films (PA and lateral view) and high-resolution computed tomography (HRCT) lung images.

Methods

From June to August in 2013 and from August to November in 2014, chest films and HRCT scan were conducted on residents over the age of 40 who lived around a cement plant. The residents were divided into two groups; a “more exposed group (MEG)” which consisted of 1,046 people who lived within a 1 km radius and a “less exposed group (LEG)” which consisted of 317 people who lived more than 5 km away from the same plant. We compared the emphysema prevalence and estimated the OR of this between the MEG and the LEG by using a chi-square and logistic regression on chest films and HRCT.

Results

The emphysema prevalence was 9.1 % in the LEG, 14.3 % in the MEG on chest films and 11.4 %, 17.8 % on the HRCT, respectively. The OR of the emphysema prevalence in MEG was 2.92 (95 % CI 1.77-4.83) on the chest films, 2.56 (95 % CI 1.64–3.99) on the HRCT after sex, age, body mass index (BMI), smoking history, residency period and firewood used history were adjusted. The OR in the less than 29 pack-years smoking history was 1.66 (95 % CI 0.92–3.06) and in the more than 30 pack-years was 3.05 (95 % CI 1.68–5.52) on the chest films, and was 1.68 (95 % CI 0.98–2.90), 2.93 (95 % CI 1.72–4.98) on the HRCT, respectively.

Conclusion

The emphysema prevalence seems to be affected by the level of exposure to air pollution derived from the cement plant as well as sex, age, BMI, and smoking history in this study. Moreover, the OR of the case of the more exposed to the air pollution was similar to that of the case in smoking.

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Okunola A Alabi, Funmilayo E Ayeni, Tomiwa A Afolabi
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Research Article

Ventilation impairment of residents around a cement plant: Sul Ha Kim, Chul Gab Lee, Han Soo Song, Hyun Seung Lee, Min Soo Jung, Jae Yoon Kim, Choong Hee Park, Seung Chul Ahn, Seung Do Yu; Ann Occup Environ Med 2015;27:3. Published online January 24, 2015; DOI: https://doi.org/10.1186/s40557-014-0048-6

Abstract PDF PubReader ePub

Objectives

To identify adverse health effects due to air pollution derived from a cement plant in Korea. The ventilation impairment in residents around a cement plant was compared to another group through a pulmonary function test (PFT).

Methods

From June to August of 2013, both a pre and post-bronchodilator PFT was conducted on a “more exposed group (MEG)” which consisted of 318 people who lived within a 1 km radius of a cement plant and a “less exposed group (LEG)” which consisted of 129 people who lived more than 5 km away from the same plant. The largest forced expiratory volume in a one second (FEV1) reading and a functional residual capacity (FVC) reading were recorded after examining the data from all of the usable curves that were agreed upon as valid by PFT experts of committee of National Institute of Environmental Research. The global initiative for chronic obstructive lung disease (GOLD) criteria for COPD, defined the FEV1/FVC ratio < 0.7 as the obstructive type, and the FEV1/FVC ratio ≧ 0.7 and FVC% predicted < 80% were as the restrictive type. The FVC% predicted value was estimated using Korean equation. We compared the proportion of lung function impairments between the MEG and the LEG by using a chi-square, and estimated the OR of obstructive and restrictive ventilation impairments by logistic regression.

Results

The obstructive type impairment proportion was 9.7% in the MEG, whereas it was 8.5% in the LEG. The restrictive type was 21.6% in the MEG which was more than the 12.4% of the LEG. The odds ratio (OR) of total ventilation impairment in the MEG was 2.63 (95% CI 1.50 ~ 4.61) compared to the LEG. The OR of obstructive type in the MEG was 1.60 (95% CI 0.70 ~ 3.65), the smoking history was 3.10 (CI 1.10 ~ 8.66) whereas OR of restrictive type in the MEG was 2.55 (95% CI 1.37 ~ 4.76), the smoking history was 0.75 (95% CI 0.35 ~ 1.60) after adjusting for sex and age. Level of exposure to particulate played a role in both types. However, it appeared to be a significant variable in restrictive type, while smoking history was also an important variable in obstructive type.

Conclusion

Although this study is a limited cross-section study with a small number of subjects, ventilation impairment rate is higher in the MEG. There might be a possibility that it is due to long-term exposure to particulate dust generated by the cement plant.

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Health risk assessment of toxic metals and DNA damage in somatic and germ cells by soil and groundwater of a major cement factory in Nigeria
Okunola A Alabi, Funmilayo E Ayeni, Tomiwa A Afolabi
Toxicological Sciences.2025; 203(2): 227. CrossRef
1D Network computational fluid dynamics for evaluating regional pressures in subjects with cement dust exposure
Minh Tam Tran, Quoc Hung Nguyen, Xinguang Cui, Kum Ju Chae, Sujeong Kim, Ji-Seung Yoo, Sanghun Choi
Journal of Biomechanics.2025; 180: 112501. CrossRef
A numerical study on airflow and particle transport characteristics of subjects with cement dust exposure
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Annals of Occupational and Environmental Medicine.2016;[Epub] CrossRef

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Research Article

Cardiovascular Disease Risk of Bus Drivers in a City of Korea: Seung Yong Shin, Chul Gab Lee, Han Soo Song, Sul Ha Kim, Hyun Seung Lee, Min Soo Jung, Sang Kon Yoo; Ann Occup Environ Med 2013;25:34. Published online November 11, 2013; DOI: https://doi.org/10.1186/2052-4374-25-34

Abstract PDF PubReader ePub

Objective

To prevent the occurrence of CV events such as MI and stroke among professional drivers in Korea, bus drivers were compared to other occupations through the Framingham risk scoring system (FRS) or metabolic syndrome (MS) of cardiovascular disease (CVD) risk assessment methods.

Methods

In October 2012, a health examination survey was conducted for 443 male bus drivers in a big city. Their CVD risk factors were compared to those of a ‘total employed’ (A group) and ‘crafts and machine operators’ (B group) extracted from Fifth Korea National Health and Nutrition Examination Survey (KNHANES, 2010) data by using FRS and MS. We calculated proportions of the CVD risk factors distribution between bus drivers and the A, B groups by the bootstrapping method. The Odds ratio (OR) between CV event risk combining MS with CHD equivalent risk of FRS and occupational factors like shift patterns and professional driving duration/age ratios (PDAR) of bus drivers was calculated through multinominal logistic regression.

Results

The proportion of BMI ≥ 25 kg/m² was 53.9% and waist circumference ≥ 90cm was 40.9% among bus drivers. Hypertension and MS prevalence of bus drivers was 53.3%, 49.9% which is higher than 17.6%, 22.6% in the A group and 19.7%, 23.8% in the B group respectively. OR of high CV event risk in alternate shift was 2.58 (95% CI 1.33~5.00) in comparison with double shift pattern and OR in PDAR ≥ 0.5 was 2.18 (95% CI 1.15~4.14).

Conclusion

Middle aged male drivers in a big city of Korea stand a higher chance of developing CV event than other professions of the same age.

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Original Article

Occupational Stress and MMPI-2 Profile of Workers in Some Plants Undergoing Labor Dispute: Chang Ki Choi, Chul Gab Lee, Han Soo Song, Sang Kon Yoo, Seung Yong Shin, Sul Ha Kim; Korean Journal of Occupational and Environmental Medicine 2012;24(4):384-396. Published online December 31, 2012; DOI: https://doi.org/10.35371/kjoem.2012.24.4.384

Abstract PDF

OBJECTIVES
To identify changes in relationships with superiors or colleagues at work and family members and social networks at home, based on occupational stress and psychological characteristics in during the process of restructuring some plants undergoing a long-term labor dispute.
METHODS
This study invested 213 workers involved in a long-term labor dispute using the KOSS (Korean Occupational Stress Scale) and the MMPI-2 (Minnesota Multiphasic Personality Inventory) and questionnaires. The KOSS and MMPI-2 scores in accordance with aggressiveness of trade union activity and changes in human relationships were compared. In addition, the odds ratio of whether there were differences in health behavior (perception of health status, smoking, alcohol abuse, medical treatment) and the absenteeism rate was calculated by logistic regression analysis.
RESULTS
For members of the aggressiveness of trade union activity group, the rate at which the relationship between superiors or colleagues deteriorated was high, as was the total KOSS score, occupational system and lack of reward score of KOSS subclass. The depression subclass score of MMPI-2 was generally high, while the score of hypochondriasis, hysteria, psychopathic deviate, hypomania was high, and social introversion was low in the active group. In cases in which there were high score of psychopathic deviate, hypomania and paranoia, there were also signs of negative health behavior.
CONCLUSIONS
Occupational stress caused by a long-term labor dispute, accompanied with depression can result in an aggressive, hostile and vulnerable personalities and have a negative impact on health behavior.

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Changes of depression and job stress in workers after merger without downsizing
Jun Ick Jung, Jun Seok Son, Young Ouk Kim, Chang Ho Chae, Chan Woo Kim, Hyoung Ouk Park, Jun Ho Lee, Young Hoo Shin, Jea Chul Ha
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Minnesota multiphasic personality inventory as related factor for post traumatic stress disorder symptoms according to job stress level in experienced firefighters: 5–year study
In-Sung Chung, Mi-Young Lee, Sung-Won Jung, Chang-Wook Nam
Annals of Occupational and Environmental Medicine.2015;[Epub] CrossRef

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Original Article

The Differences the Relationship According to Body Part between Occupational Stress and Self-reported Musculoskeletal Disorder Symptoms as Seen in Surveys of Public Office Workers Using VDT: Han Soo Song, Chul Gab Lee; Korean Journal of Occupational and Environmental Medicine 2012;24(1):20-32. Published online March 31, 2012; DOI: https://doi.org/10.35371/kjoem.2012.24.1.20

Abstract PDF

OBJECTIVES
The investigation of the degree of the relationship according to body part between occupational stress and musculoskeletal symptoms in the neck, shoulder, elbow, and hands of workers performing computer tasks.
METHODS
In August and September 2009, we conducted a survey of 529 public office workers employed by the National Health Insurance Corporation using structured questionnaires in order to find demographic factors, work related factors, job stress, physical computer task load and musculoskeletal symptoms. Nordic musculoskeletal questionnaire, Quick DASH (Disabilities of the Arm, Shoulder and Hand Score), and the Northwick Park neck pain questionnaire were all used to evaluate their musculoskeletal symptoms. The presence of symptoms segregated by body part determined the dependent variables. The degree of job stress and other confounder variables determined the independent variables. We calculated the odds ratio employing multiple logistic regressions.
RESULTS
A score of > or =5 in the VAS (Visual Analogue Scale) 10-point scale and the presence of symptoms lasting at least 1 week determined the musculoskeletal symptom group in regards to the Nordic musculoskeletal questionnaire. The neck pain odds ratio was adjusted by sex, age, work hours, employment duration, physical computer task load and depression. It was determined to be 2.92 (95% CI 1.76~4.84) in the higher to lower occupational stress group. The shoulder pain odds ratio was 1.96 (95% CI 1.18~3.24), elbow pain 0.55 (95% CI 0.21~1.43), and hand pain 1.71 (95% CI 0.99~2.95). A score of > or =10 in the 100-unit scale determined the musculoskeletal symptom group in regards to the Northwick Park neck pain questionnaire and the Quick DASH. The neck symptom odds ratio was 2.73 (95% CI 1.66~4.49) and the upper extremity symptom figure was 2.18 (95% CI 1.29~3.68).
CONCLUSIONS
This study suggests that the relevance between neck and shoulder symptoms and occupational stress was obvious, however the relevance between elbow and hand pain and job stress was not as clear or ambiguous.

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Original Article

Relationship between Occupational Stress-Emotional Labor and Musculoskeletal Symptoms and Experience of Absence or Early Leave in Some Civil Affairs Officials: Sang Kon Yoo, Chang Ki Choi, Han Soo Song, Chul Gab Lee; Korean Journal of Occupational and Environmental Medicine 2011;23(2):192-202. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.192

Abstract PDF

OBJECTIVES
The objectives of this study are to identify the relationship between the Korean occupational stress scale (KOSS) and emotional labor, and to study the association between emotional labor and musculoskeletal symptoms, absence or early leave due to physical problems among civil affairs officials.
METHODS
391 public workers who provide social insurance service were analyzed. A structured self-reported questionnaire was used to assess sociodemographics, job stress, emotional labor, musculoskeletal symptoms and the experience of absence or early leave due to physical problems. For a comprehensive understanding of the relationship among these factors, multiple logistic regression analysis was used.
RESULTS
The Pearson coefficient was 0.409 between the job demand of KOSS and the emotional labor score. The odds ratio of musculoskeletal symptoms is 2.32(95% CI: 1.17~4.61), 2.48(95% CI: 1.15~5.33) in the groups of moderate and, high emotional labor score, respectively, compared to the low score group. On the other hand, the odds ratio of the experience of absence or early leave due to physical problems is 2.43(95% CI: 1.24~4.76) and, 3.08(95% CI: 1.44~6.57) in the same groups.
CONCLUSIONS
Emotional labor acts as a factor of job demand of KOSS, and has an effect on musculoskeletal symptoms and absence or early leave among civil affairs officials.

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Original Article

Association Between Blood Lead Concentration and Computerized Neurobehavioral Performance in Korean Elementary School Students: Yeon Cheol Kim, Man Joong Jeon, Yun Chul Hong, Chul Gab Lee, Mi Na Ha, Ho Jang Kwon, Joon Sakong; Korean Journal of Occupational and Environmental Medicine 2011;23(2):183-191. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.183

Abstract PDF

OBJECTIVES
This study was conducted to evaluate association between computerized neurobehavioral performance and blood lead concentration in Korean elementary school students.
METHODS
The subjects were 1,077 elementary school students of Seoul, Busan, Daegu and Gwangju. Blood lead concentration was measured and computerized neurobehavioral performance tests were performed.
RESULTS
Blood lead concentration of the subjects was in the range of 0.20 and 7.39 microg/dl. The geometric mean of the subjects' blood lead concentration was 1.41 microg/dl. As blood lead concentration increased, reaction time to the symbol digit tended to increase significantly and linearly. As a result of LOWESS(locally weighted scatterplot smoothing), increasing reaction time to the symbol digit was observed.
CONCLUSIONS
As blood lead concentration under the CDC (center for disease control and prevention) reference value increased, reaction time to the symbol digit tended to increase. But, as the number of subjects over 3 microg/dl is small, it is difficult to make a definite conclusion. If confounding variables are controlled properly in a follow-up study, we can obtain a more definite conclusion.

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Minkeun Kim, Chulyong Park, Joon Sakong, Shinhee Ye, So young Son, Kiook Baek
Annals of Occupational and Environmental Medicine.2023;[Epub] CrossRef
Performance assessment on the Korean Computerized Neurobehavioral Test using a mobile device and a conventional computer: an experimental study
Young Seok Byun, Sung Kyu Park, Joon Sakong, Man Joong Jeon
Annals of Occupational and Environmental Medicine.2018;[Epub] CrossRef
The association between lead concentration in the blood and neurobehavioral performance of children
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Evaluation of reliability of computerized neurobehavioral tests in Korean children
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NeuroToxicology.2012; 33(5): 1362. CrossRef

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Original Article

Association of Blood Mercury Level and Neurobehavioral Performance in Korean Elementary School Students: Joon Sakong, Man Joong Jeon, Sung Ho Yun, Yun Chul Hong, Chul Gab Lee, Young Ki Kim, Mina Ha, Ho Jang Kwon; Korean Journal of Occupational and Environmental Medicine 2010;22(4):324-330. Published online December 31, 2010; DOI: https://doi.org/10.35371/kjoem.2010.22.4.324

Abstract PDF

OBJECTIVES
This study was conducted to examine the effect of blood mercury on neurobehavioral performance in Korean elementary school students.
METHODS
We measured the blood mercury concentration in 1,077 elementary school students from Seoul, Busan, Daegu and Gwangju, then the students underwent computerized neurobehavioral test.
RESULTS
The mean concentration of blood mercury of study subjects was 2.10 microg/L. An increased blood mercury was associated with an increased reaction time in digit addition and symbol digit.
CONCLUSIONS
The blood mercury concentration of study subjects was very high compared to findings in a foreign country. We found several associations between blood mercury level and neurobehavioral performance.

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Performance assessment on the Korean Computerized Neurobehavioral Test using a mobile device and a conventional computer: an experimental study
Young Seok Byun, Sung Kyu Park, Joon Sakong, Man Joong Jeon
Annals of Occupational and Environmental Medicine.2018;[Epub] CrossRef
Evaluation of reliability of computerized neurobehavioral tests in Korean children
Kyeong-Soo Lee, Man-Joong Jeon, Tae-Yoon Hwang, Chang-Yoon Kim, Joon Sakong
NeuroToxicology.2012; 33(5): 1362. CrossRef

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Original Article

Radiological Flattening of Lumbar Lordosis and Related Factors in Some Korean Farmers: Han Soo Song, Sang Kon Yoo, Chang Ki Choi, Chul Gab Lee, Kyung Suk Lee; Korean Journal of Occupational and Environmental Medicine 2010;22(4):279-289. Published online December 31, 2010; DOI: https://doi.org/10.35371/kjoem.2010.22.4.279

Abstract PDF

OBJECTIVES
To determine if agricultural work is related to radiological flattening of lumbar lordosis, and to identify the relationship between of back pain and flat back in selected Korean farmers.
METHODS
Between June 2006 and July 2008, 414 farmers, 155 (37.4%) males and 259 (62.6%) females participated in this study. We collected data on hazardous agricultural work postures and other factors from interviews, surveys, and x-ray views of lateral lumbar. The operational definition of a flat back was below -1 SD of lordotic angle, with a normal distribution between L1 and S1 level. Logistic regression analysis was conducted to evaluate the relationship between flat back and hazardous working posture ratio, sex, the severity of back pain.
RESULTS
Mean lordotic angle was 42.9+/-15.7degrees. Flat back had a higher prevalence in the females (24.7%) than the males (5.8%). The odds ratio of flat back risk is 3.30 (95% CI: 1.46~7.46) in the females compared to the males, 1.31 (95% CI: 0.61~2.79), 4.11 (95% CI: 1.77~9.55) in the group of hazardous working posture ratio compared to the low risk group, 2.78 (95% CI: 1.27~6.07), 5.74 (95% CI: 2.27~14.49) in the group of L4-L5 disc space narrowing compared to normal group, 3.06 (95% CI: 1.27~7.31), 5.45 (95% CI: 1.70~17.46) in the group of lumbar spine compression fracture compared to no fracture. Odds ratio of severe back pain is 2.29 (95% CI: 1.12~4.72) in the group of flat back compared to normal group.
CONCLUSIONS
Hazardous agricultural working postures, such as 'low- lifting, pulling, pushing work and high- squatting posture work' are associated with flat back. Low back pain is significantly associated with flat back group in female farmers.

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Original Article

Work-Relatedness of Occupational Contact Dermatitis in a Tire Factory: Sora Choi, Han Soo Song, Chul Gab Lee; Korean Journal of Occupational and Environmental Medicine 2009;21(4):354-364. Published online December 31, 2009; DOI: https://doi.org/10.35371/kjoem.2009.21.4.354

Abstract PDF: OBJECTIVES
This study investigated occupational contact dermatitis in a tire factory, prompted by a long history of complaints of skin ailments by the factory workers.
METHODS
Participants (n=160) completed a questionnaire concerning job characteristics and skin symptoms, and received a medical examination. Fifty-four workers with suspected work-related contact dermatitis were chosen for a patch test of contact-related dermatitis.
RESULTS
The most frequent positive reactions of patch test were produced by diphenylguanidine, formaldehyde and cobalt. Twenty-one of the 54 individuals (38.9%) were judged to have work-related skin disease.
CONCLUSIONS
Exposure to natural and synthetic rubbers and additive materials pose a risk of contact dermatitis in a tire manufacturing environment. Improved sanitary work practices and public health awareness measures are suggested.

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Original Article

Fatigue as a Predictor of Medical Utilization, Occupational Accident and Sickness Absence: Sei Jin Chang, Sang Baek Koh, Dongmug Kang, Seong Ah Kim, Jin Joo Chung, Chul Gab Lee, Myung Geun Kang, Sook Jung Hyun, Jung Jin Cho, Bong Suk Cha, Jong Ku Park; Korean Journal of Occupational and Environmental Medicine 2005;17(4):318-332. Published online December 31, 2005; DOI: https://doi.org/10.35371/kjoem.2005.17.4.318

Abstract PDF

OBJECTIVES
This study examined the relationship of fatigue to medical utilization, occupational accident and sickness absence. Subjects and METHODS: Data were obtained from the National Study for Development and Standardization of Occupational Stress (NSDSOS Project, 2002~2004). A total of 30,146 employees categorized within the Korean Standard Industrial Classification and the Korean Standard Occupational Classification were recruited. A structured-questionnaire was used to assess the participants' sociodemographics, job-related factors, health-related behaviors, personality trait, self-perceived fatigue (MFS) and the frequency of medical utilization, occupational accident and sickness absence. Data on medical utilization and occupational accident were confirmed from company health records. Chi-square test and logistic regression analysis were used to elucidate the relationship of self-perceived fatigue to medical utilization, occupational accident and sickness absence.
RESULTS
In logistic regression analyses, self-perceived fatigue was associated with medical utilization (outpatient), occupational accident and sickness absence although the strength of the associations was higher in the blue collar workers except for medical utilization. For medical utilization, the white collar workers' adjusted odds ratios of outpatient utilization for workers scoring in the third quartile and the highest quartile, compared to workers scoring in the lowest quartile were 1.50 (95% CI: 1.20-1.87) and 2.16 (95% CI: 1.69-2.75), respectively. The blue collar workers' adjusted odds ratios of outpatient utilization for workers scoring in the second (OR: 1.23, 95% CI: 1.06-1.43), third (OR: 1.42, 95% CI: 1.22- 1.66) and highest quartile (OR: 1.83, 95% CI: 1.55-2.17), respectively, compared to workers scoring in the lowest quartile were statistically significant. However, no associations were found between fatigue and inpatient utilization for either the white or blue collar workers. The blue collar workers' adjusted odds ratios of being injured for workers scoring in the second, third and highest quartile were 1.41 (95% CI: 1.00-2.00), 1.57 (95% CI: 1.10-2.22) and 2.41 (95% CI: 1.69-3.44), respectively, compared to those scoring in the lowest quartile, but, those of the white collar workers were not significant. There was more likely to an increased risk of sickness absence in workers scoring in the second, third and highest quartile compared to those scoring in the lowest quartile in both white and blue collar workers, but the magnitudes of risk were higher in the blue collar workers than the white collars workers.
CONCLUSION
This result suggests that fatigue is a determinant predictor of medical utilization, occupational accident and sickness absence, and that the pattern of risks for the three outcomes differs according to the occupational type. Some limitations of this study and considerations for future study were also discussed.

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Original Article

Developing an Occupational Stress Scale for Korean Employees: Sei Jin Chang, Sang Baek Koh, Dongmug Kang, Seong Ah Kim, Myung Geun Kang, Chul Gab Lee, Jin Joo Chung, Jung Jin Cho, Mia Son, Chang Ho Chae, Jung Won Kim, Jung Il Kim, Hyeong Su Kim, Sang Chul Roh, Jae Beom Park, Jong Min Woo, Soo Young Kim, Jeong Youn Kim, Mina Ha, Jungsun Park, Kyung Yong Rhee, Hyoung Ryoul Kim, Jeong Ok Kong, In Ah Kim, Jeong Soo Kim, Jun Ho Park, Sook Jung Huyun, Dong Kook Son; Korean Journal of Occupational and Environmental Medicine 2005;17(4):297-317. Published online December 31, 2005; DOI: https://doi.org/10.35371/kjoem.2005.17.4.297

Abstract PDF

BACKGROUND
AND PURPOSES: Over the past three decades, numerous studies performed in Korea have reported that job stress is a determinant risk factor for chronic diseases and work disability. Every society has its own culture and occupational climate particular to their organizations, and hence experiences different occupational stress. An occupational stress measurement tool therefore needs to be developed to estimate it objectively. The purpose of this study is to develop and standardize the Korean Occupational Stress Scale (KOSS) which is considered to be unique and specific occupational stressors in Korean employees. Subjects and METHODS: Data were obtained from the National Study for Development and Standardization of Occupational Stress (NSDSOS Project: 2002-2004). A total of 12,631 employees from a nationwide sample proportional to the Korean Standard Industrial Classification and the Korean Standard Occupational Classification were administered. The KOSS was developed for 2 years (2002- 2004). In the first year, we collected 255 items from the most popular job stress measurement tools such as JCQ, ERI, NIOSH and OSI, and 44 items derived from the a qualitative study (depth interview). Fortythree items of KOSS, in the second year, were retained for use in the final version of the KOSS by using Delphi and factor analysis. Items were scored using conventional 1-2-3-4 Likert scores for the response categories.
RESULTS
We developed eight subscales by using factor analysis and validation process: physical environment (3 items), job demand (8 items), insufficient job control (5 items), interpersonal conflict (4 items), job insecurity (6 items), organizational system (7 items), lack of reward (6 items), and occupational climate (4 items). Together they explained 50.0% of total variance. Internal consistency alpha scores were ranged from 0.51 to 0.82. Twenty-four items of the short form of the KOSS (KOSS-SF) were also developed to estimate job stress in the work setting. Because the levels of the subscales of occupational stress were gender dependent, gender-specific standard norms for both the 43-item full version and the 24-item short form using a quartile for the subscales of KOSS were presented.
CONCLUSION
The results of this study suggest that KOSS might be an appropriate measurement scale to estimate occupational stress of Korean employees. Further and more detailed study needs to be conducted to improve the validity of this scale.

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IEEE Transactions on Computational Social Systems.2022; 9(6): 1644. CrossRef
A Study on Job Stress Factors Caused by Gender Ratio Imbalance in a Female-Dominated Workplace: Focusing on Male Airline Flight Attendants
Kieun Lee, Jinyoung Olivia Choi, Sunghyup Sean Hyun
International Journal of Environmental Research and Public Health.2022; 19(15): 9418. CrossRef
Factors Affecting Fatigue among Nurses during the COVID-19 Pandemic
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International Journal of Environmental Research and Public Health.2022; 19(18): 11380. CrossRef
Intention to Stay in Specialist Trauma Nurses: Relationship With Role Conflict, Stress, and Organizational Support
Jeong Eun Yoon, Ok-Hee Cho
Journal of Trauma Nursing.2022; 29(1): 21. CrossRef
Perceived Control and Work-Related Stress Mediate the Effects of Grit on Depression among Employees
Sra Jung, Young Chul Shin, Kang-Seob Oh, Dong-Won Shin, Eun Soo Kim, Mi Yeon Lee, Sung Joon Cho, Sang-Won Jeon
Brain Sciences.2022; 13(1): 9. CrossRef
A Scoping Review of Stress Measurements and Psychometry in Police Research
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Journal of Police and Criminal Psychology.2022; 37(2): 457. CrossRef
Changes in working status after cancer diagnosis and socio-demographic, clinical, work-related, and psychological factors associated with it
Danbee Kang, Ka Ryeong Bae, Ho Young Kim, Yeojin Ahn, Nayeon Kim, Youngmog Shim, Tae Sung Sohn, Woo Yong Lee, Ji Hyun Baek, Sun-Seog Kweon, Juhee Cho
BMC Cancer.2022;[Epub] CrossRef
Factors Affecting Turnover Intention among New Graduate Nurses: Focusing on Job Stress and Sleep Disturbance
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Healthcare.2022; 10(6): 1122. CrossRef
Relationship between occupational stress, sleep disturbance, and presenteeism of shiftwork nurses
Jihyun Baek, Jison Ki, Jaegeum Ryu, Choi‐Kwon Smi
Journal of Nursing Scholarship.2022; 54(5): 631. CrossRef
Mediating Effect of Public Service Motivation and Resilience on the Association Between Work-Related Stress and Work Engagement of Public Workers in the COVID-19 Pandemic
Dongyeon Jeong, Inn-Kyu Cho, Kyumin Kim, Joohee Lee, Jung Mun Choi, Jiyeon Kim, Changnam Kim, Soyoung Yoo, Seockhoon Chung
Psychiatry Investigation.2022; 19(7): 501. CrossRef
Design and Methods of a Prospective Smartphone App-Based Study for Digital Phenotyping of Mood and Anxiety Symptoms Mixed With Centralized and Decentralized Research Form: The Search Your Mind (S.Y.M., 心) Project
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Psychiatry Investigation.2022; 19(7): 588. CrossRef
Factors Influencing the Wellness of Call Center Employees
Yeonju Kim, Gwang Suk Kim, Youlim Kim
Journal of Korean Academy of Community Health Nursing.2022; 33(1): 128. CrossRef
Association Between Working Hours and Poor Glycemic Control in Patients With Diabetes
Eunhye Seo, Yesung Lee, Woncheol Lee
Journal of Occupational & Environmental Medicine.2022; 64(10): e629. CrossRef
Patterns of Paternal Involvement of Korean Fathers: A Person-Centered Approach
Kwangman Ko, Youngjin Kang, Jieun Choi
Journal of Family Issues.2022; 43(9): 2505. CrossRef
Clinical Nurses’ Intention to Use Defibrillators in South Korea: A Path Analysis
Dongchoon Uhm, Gye-Hyun Jung
Healthcare.2022; 11(1): 61. CrossRef
How Do Psychological Cognition and Institutional Environment Affect the Unsafe Behavior of Construction Workers?—Research on fsQCA Method
Beifei Yuan, Shuitai Xu, Li Chen, Muqing Niu
Frontiers in Psychology.2022;[Epub] CrossRef
Changes in intrinsic functional brain connectivity related to occupational stress of firefighters
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Psychiatry Research.2022; 314: 114688. CrossRef
Correlation between Stress and Anxiety to Viral Epidemics (SAVE) and Burnout among Korean Dental Hygienists during the COVID-19 Pandemic: A Cross-Sectional Study
Seul-Ah Lee, Jung-Eun Park, Jong-Hwa Jang
International Journal of Environmental Research and Public Health.2022; 19(6): 3668. CrossRef
Systematic review of electronically delivered behavioral obesity prevention interventions targeting men
Adam P. Knowlden, Amanda H. Wilkerson, Kandyce B. Dunlap, Michael Stellefson, Odunayo A. Elijah
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The Effect of Knowledge, Attitudes, and Practices of Korean Correctional Officers about COVID-19 on Job Stress
Hyun-Ok Jung, Seung-Woo Han
International Journal of Environmental Research and Public Health.2021; 18(15): 7779. CrossRef
Job Stress and Job Satisfaction of the Ocean-going Seafarers and the Coastal Seafarers
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Workplace victimization and alcohol misuse among junior military personnel: Mediating the role of anger
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Effect of Job Stress on Job Satisfaction and Quality of Life of Beauty-Related Workers
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Asian Journal of Beauty and Cosmetology.2021; 19(4): 583. CrossRef
A longitudinal study of working hours and chronic kidney disease in healthy workers: The Kangbuk Samsung Health Study
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Journal of Occupational Health.2021;[Epub] CrossRef
Effectiveness of a Mobile Health Management Program With a Challenge Strategy for Improving the Cardiovascular Health of Workers
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Journal of Occupational & Environmental Medicine.2021; 63(3): e132. CrossRef
The Relationships Between Oncology Nurses’ Attitudes Toward a Dignified Death, Compassion Competence, Resilience, and Occupational Stress in South Korea
Sun-A Park, Hee Jung Park
Seminars in Oncology Nursing.2021; 37(3): 151147. CrossRef
Psychometric Properties of the Korean Version of the Mental Health Professionals Stress Scale
Eun Sol Lee, Vin Ryu, Ji Hyun Lee, Hyeon Hong, Hyeree Han, Subin Park
Frontiers in Psychiatry.2021;[Epub] CrossRef
The Effect of Job Stress on Impaired Control over Alcohol in Manufacturing Company Office Workers
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Korean Journal of Industrial and Organizational Psychology.2021; 34(2): 261. CrossRef
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Indian Journal of Continuing Nursing Education.2021; 22(2): 215. CrossRef
Effects of work stress, sleep, and shift work on suicidal ideation among female workers in an electronics company
Junseok Son, Sangyoon Lee
American Journal of Industrial Medicine.2021; 64(6): 519. CrossRef
The Mediating Effect of Perceived Appraisal Support on the Relationship between Neuroticism and Occupational Stress in Firefighters
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Journal of Korean Academy of Community Health Nursing.2021; 32(3): 396. CrossRef
The Predictive Factors of Medication Errors in Clinical Nurse
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Journal of Health Informatics and Statistics.2021; 46(1): 19. CrossRef
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Psychiatry Investigation.2021; 18(10): 977. CrossRef
The association between alcohol use and suicide attempt in employees
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Precision and Future Medicine.2021; 5(3): 133. CrossRef
Analysis of the factors of turnover intention of dental hygienists in dental hospitals
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Journal of Korean Academy of Oral Health.2021; 45(2): 92. CrossRef
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Job Stress and Cardiometabolic Lifestyle Modification Behaviors Among Workers in High-risk and Low-risk Workplaces
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Journal of Occupational & Environmental Medicine.2021; 63(6): e346. CrossRef
Predictors of Burnout in Hospital Health Workers during the COVID-19 Outbreak in South Korea
Chang-Ho Jihn, Bokyoung Kim, Kue Sook Kim
International Journal of Environmental Research and Public Health.2021; 18(21): 11720. CrossRef
The effects of job demands and resources on turnover intention: The mediating roles of emotional exhaustion and depersonalization
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Relationship between rework of engineering drawing tasks and stress level measured from physiological signals
Jeonghyeun Chae, Sungjoo Hwang, Wonkyoung Seo, Youngcheol Kang
Automation in Construction.2021; 124: 103560. CrossRef
Association between Job Demands and Fathers’ Involvement between Single-Income and Dual-Income Families: The Mediating Role of Work to Family Conflict
Kwangman Ko, Woosang Hwang
Journal of Social Service Research.2021; 47(4): 553. CrossRef
Analysis of Preference in Plant Fragrances and Psychological Evaluation of Firefighter
Hye Sook Jang, Eunha Yoo, Jeong Hee Kim, Sun-Jin Jeong, Jae Soon Kim, Doo Young Ryu
Journal of People, Plants, and Environment.2021; 24(2): 137. CrossRef
Resilience as a Protective Factor for Suicidal Ideation among Korean Workers
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Factors Affecting Quality of Work Life in a Sample of Cancer Survivor Female Nurses
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Secondary Data Analysis on the Quality of Sleep and Related Factors of Novice and Experienced Shift Work Nurses
Minjeong Yu, Smi Choi-Kwon
Journal of Korean Academy of Nursing.2020; 50(5): 646. CrossRef
The Moderating Effect of Managerial Roles on Job Stress and Satisfaction by Employees’ Employment Type
Kwan-Woo Kim, Yoon-Ho Cho
International Journal of Environmental Research and Public Health.2020; 17(21): 8259. CrossRef
Longitudinal associations between occupational stress and depressive symptoms
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Annals of Occupational and Environmental Medicine.2020;[Epub] CrossRef
Have lifestyle factors led to perceiving a higher level of stress? Implications for mental health policies from an econometric analysis for South Korea
Lara Gitto, Yong-Hwan Noh, Antonio Rodríguez Andrés
Journal of Asian Public Policy.2020; 13(3): 257. CrossRef
The association between Antonovsky's sense of coherence and job stress among dental hygienists in Korea
Hee-Jung Lim, Ae-Jung Im, Han‐A Cho, Eun‐Sil Choi
International Journal of Dental Hygiene.2020; 18(3): 307. CrossRef
The Effects of Optometrists’ Job Stress on Professional Job Satisfaction and Turnover Intention: A Focus on Daegu and Gyeongbuk
Hye-Kyung Hwang, Jeong-Yun Lee
Journal of Korean Ophthalmic Optics Society.2020; 25(3): 187. CrossRef
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Perspectives in Psychiatric Care.2020; 56(2): 355. CrossRef
Effects of Dental Hygienists Job Stress on Somatization in an Area
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Journal of Dental Hygiene Science.2020; 20(1): 59. CrossRef
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Leo Beletsky, Daniela Abramovitz, Jaime Arredondo, Pieter Baker, Irina Artamonova, Phil Marotta, Maria Luisa Mittal, Teresita Rocha-Jimenez, Javier A. Cepeda, Mario Morales, Erika Clairgue, Thomas A. Patterson, Steffanie A. Strathdee
Journal of Occupational & Environmental Medicine.2020; 62(1): 46. CrossRef
Association of Interpersonal Competence and Emotional Labor with Job Stress in Occupational Therapists
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Occupational Safety and Health Act for the Protection of Workers' Mental Health
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Journal of Korean Neuropsychiatric Association.2020; 59(2): 115. CrossRef
Health promotion program for office workers with SEM based on the WHO’s healthy workplace framework
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Health Promotion International.2020; 35(6): 1369. CrossRef
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Psychiatry Investigation.2020; 17(7): 645. CrossRef
Mixed Method Research Investigating Turnover Intension with ICU Nurses
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Journal of Korean Academy of Fundamentals of Nursing.2020; 27(2): 153. CrossRef
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Archives of Environmental & Occupational Health.2020; 75(6): 346. CrossRef
Gender and age differences in the association between work stress and incident depressive symptoms among Korean employees: a cohort study
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International Archives of Occupational and Environmental Health.2020; 93(4): 457. CrossRef
Moderated Mediation Effect of Mindfulness on the Relationship Between Muscular Skeletal Disease, Job Stress, and Turnover Among Korean Firefighters
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Safety and Health at Work.2020; 11(2): 222. CrossRef
Examining the job demands-resources model in a sample of Korean correctional officers
Soohyun Cho, Hyunkyung Noh, Eunjoo Yang, Jayoung Lee, Narae Lee, Wilmar B. Schaufeli, Sang Min Lee
Current Psychology.2020; 39(5): 1521. CrossRef
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Western Journal of Nursing Research.2020; 42(2): 108. CrossRef
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Annals of Occupational and Environmental Medicine.2020;[Epub] CrossRef
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Journal of Occupational Health.2020;[Epub] CrossRef
Analysis of the Relationship between the Drinking, Smoking Status and Job Stress of Optometrists: A Focus on the Korean Capital Area (Seoul, Gyeonggi, Incheon)
Semi Kim, Jihye Ahn, Moonsung Choi
Journal of Korean Ophthalmic Optics Society.2020; 25(3): 203. CrossRef
Effect of Hairdresser's Depression and Job stress on Hairdresser’s Presenteeism
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Asian Journal of Beauty and Cosmetology.2020; 18(4): 493. CrossRef
Mental health and quality of life in firefighters working on the scene in South Korea: Focus on the capital area and growth promotion area
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Brain and Behavior.2020;[Epub] CrossRef
Context and Validation of the Korean Subjective Underemployment Scale (K-SUS): 한국의 불완전 취업 실태 및 주관적인 불완전 취업 척도 타당화
Taewon Kim, Blake A. Allan
Journal of Career Assessment.2020; 28(4): 655. CrossRef
Factors Affecting the Mental Health of University Hospital Nurses
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Factors Influencing Musculoskeletal Disorder Symptoms in Hemodialysis Nurses in Tertiary Hospitals
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Journal of Korean Academy of Nursing Administration.2019; 25(5): 478. CrossRef
Women’s Smoking: Relationships Among Emotional Labor, Occupational Stress, and Health Promotion
Sunjoo Boo, Hyunjin Oh
Workplace Health & Safety.2019; 67(7): 361. CrossRef
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Ga Young Lee, Jung Hwa Choi
The Korean Journal of Community Living Science.2019; 30(4): 553. CrossRef
Association between job-related stress and experience of presenteeism among Korean workers stratified on the presence of depression
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Annals of Occupational and Environmental Medicine.2019;[Epub] CrossRef
The association between serum dehydroepiandrosterone sulfate (DHEAS) levels and job-related stress among female nurses
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Annals of Occupational and Environmental Medicine.2019;[Epub] CrossRef
Association between organizational justice and depressive symptoms among securities company workers
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Annals of Occupational and Environmental Medicine.2019;[Epub] CrossRef
Impact of Stress on Subway Station Workers’ Health Concern and Dietary Behavior in the Seoul Metro
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Journal of the East Asian Society of Dietary Life.2019; 29(6): 482. CrossRef
The Mental Health and Occupational Characteristic of Horse Stable Hand Workers in Korea
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Safety and Health at Work.2019; 10(3): 384. CrossRef
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Work.2019; 62(1): 87. CrossRef
Combined exposure of emotional labor and job insecurity on depressive symptoms among female call-center workers
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Journal of Korean Ophthalmic Optics Society.2019; 24(4): 335. CrossRef
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Journal of Korean Ophthalmic Optics Society.2019; 24(3): 223. CrossRef
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Woojin Kim, Munjoo Bae, Sei-Jin Chang, Jin-Ha Yoon, Da Yee Jeong, Dae-Sung Hyun, Hye-Yoon Ryu, Ki-Soo Park, Mi-Ji Kim, Changsoo Kim
Journal of Preventive Medicine and Public Health.2019; 52(6): 345. CrossRef
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International Journal of Environmental Research and Public Health.2019; 16(21): 4270. CrossRef
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Annals of Occupational and Environmental Medicine.2019;[Epub] CrossRef
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Asia Pacific Journal of Social Work and Development.2019; 29(2): 149. CrossRef
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Journal of Korean Academy of Nursing Administration.2019; 25(5): 448. CrossRef
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International Journal of Environmental Research and Public Health.2019; 16(19): 3510. CrossRef
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Annals of Occupational and Environmental Medicine.2019;[Epub] CrossRef
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Journal of Korean Academy of Nursing Administration.2019; 25(2): 63. CrossRef
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Journal of Korean Medical Science.2018;[Epub] CrossRef
Comparison of Working Conditions among Non-regular Visiting Nurses in Public Health Centers based on Their Employment Types
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Journal of Korean Academy of Community Health Nursing.2018; 29(3): 267. CrossRef
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Journal of Medical Internet Research.2018; 20(10): e10760. CrossRef
Risk Factor, Job Stress and Quality of Life in Workers With Lower Extremity Pain Who Use Video Display Terminals
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Annals of Rehabilitation Medicine.2018; 42(1): 101. CrossRef
Reliability and validity of the Korean version of organizational justice questionnaire
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Annals of Occupational and Environmental Medicine.2018;[Epub] CrossRef
Validation of a Path Model of Vietnamese Migrant Workers' Occupational Stress
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Journal of Korean Academy of Community Health Nursing.2018; 29(4): 404. CrossRef
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Safety and Health at Work.2018; 9(2): 224. CrossRef
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Korean Journal of Community Nutrition.2018; 23(1): 28. CrossRef
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Annals of Occupational and Environmental Medicine.2018;[Epub] CrossRef
Factor Influencing New Graduate Nurses' Turnover Intention according to Length of Service
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Journal of Korean Academy of Nursing Administration.2018; 24(1): 51. CrossRef
The Emotional Intelligence Effects on Foreign LCs’ Self-Efficacy and Job Stress
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Journal of Industrial Distribution & Business.2018; 9(5): 93. CrossRef
Family management of childhood atopic dermatitis
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Journal of Advanced Nursing.2018; 74(6): 1371. CrossRef
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Annals of Occupational and Environmental Medicine.2018;[Epub] CrossRef
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Journal of Korean Academy of Nursing Administration.2018; 24(5): 435. CrossRef
Effects of Group Rational Emotive Behavior Therapy on the Nurses' Job Stress, Burnout, Job Satisfaction, Organizational Commitment and Turnover Intention
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Journal of Korean Academy of Nursing.2018; 48(4): 432. CrossRef
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Johanna Inhyang Kim, Heyeon Park, Jeong-Hyun Kim
Journal of Affective Disorders.2018; 229: 450. CrossRef
Stress, Satisfaction, and Competency of Hospital Pharmacy Preceptors under the New Pharmacy Program in South Korea
Heenam Seo, Kyungwoo Ryu, Subin Lee, Jinyong Noh, Hyeno La, Eunyoung Kim
American Journal of Pharmaceutical Education.2018; 82(8): 6351. CrossRef
How safety-related stress affects workers’ safety behavior: The moderating role of psychological capital
Dan Wang, Xueqing Wang, Nini Xia
Safety Science.2018; 103: 247. CrossRef
Analyzing psychological conditions of field-workers in the construction industry
Soram Lim, Seokho Chi, Joon Deuk Lee, Hoon-Jin Lee, Hyunjung Choi
International Journal of Occupational and Environmental Health.2017; 23(4): 261. CrossRef
Safety Climate and Occupational Stress According to Occupational Accidents Experience and Employment Type in Shipbuilding Industry of Korea
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Safety and Health at Work.2017; 8(3): 290. CrossRef
The relationship between serum vitamin D levels and sleep quality in fixed day indoor field workers in the electronics manufacturing industry in Korea
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Annals of Occupational and Environmental Medicine.2017;[Epub] CrossRef
A moderated mediation model of job stress, job satisfaction, and turnover intention for airport security screeners
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Safety Science.2017; 98: 89. CrossRef
Effect of Calling, Meaning of Work, Job Stress, and Stress Coping on Organizational Commitment among Career Soldiers
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Korean Journal of Stress Research.2017; 25(1): 30. CrossRef
What is the impact of shift work on the psychological functioning and resilience of nurses? An integrative review
Mozhdeh Tahghighi, Clare S. Rees, Janie A. Brown, Lauren J. Breen, Desley Hegney
Journal of Advanced Nursing.2017; 73(9): 2065. CrossRef
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Psychiatry Investigation.2017; 14(4): 434. CrossRef
Mental Health Status of Correctional Officers in Correctional Institutions
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Journal of Korean Neuropsychiatric Association.2017; 56(1): 20. CrossRef
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Journal of Advanced Nursing.2017; 73(4): 905. CrossRef
Nationwide firefighter survey: the prevalence of lower back pain and its related psychological factors among Korean firefighters
Min Gi Kim, Ju-il Seo, KyooSang Kim, Yeon-Soon Ahn
International Journal of Occupational Safety and Ergonomics.2017; 23(4): 447. CrossRef
The Impact of Sleep Disorder and Job Stress on Turnover Intention of Shift-Working Nurses
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Korean Journal of Stress Research.2017; 25(4): 255. CrossRef
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INDUSTRIAL HEALTH.2017; 55(1): 46. CrossRef
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Asian Nursing Research.2017; 11(1): 6. CrossRef
Association of Occupational Stress and Cardiorespiratory Fitness with Cardiovascular Disease Risk Factors in Office Workers
Eun Sun Yoon, Sae Young Jae
The Korean Journal of Sports Medicine.2017; 35(1): 48. CrossRef
Effects of 8 Weeks of Circuit Exercise Training on Body Composition, Physical Fitness, Stress Index, and Atherogenic Index in Bus Drivers
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The Korean Journal of Physical Education.2017; 56(2): 553. CrossRef
Clinical Nurses' Job Stress, Emotional labor, Nursing Performance, and Burnout in Comprehensive Nursing Care Service Wards and General Wards
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Journal of Korean Academy of Nursing Administration.2017; 23(3): 336. CrossRef
Factors associated with metabolic syndrome among Korean office workers
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Program Development and Effectiveness of Workplace Health Promotion Program for Preventing Metabolic Syndrome among Office Workers
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International Journal of Environmental Research and Public Health.2017; 14(8): 878. CrossRef
Long and short sleep duration are both associated with suicidal ideation in Korean employees
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Sleep and Biological Rhythms.2017; 15(1): 81. CrossRef
Investigation of Subcategories according to the Level of Job Stress in Medical Technologist
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The Korean Journal of Clinical Laboratory Science.2017; 49(1): 48. CrossRef
Influence of Experiencing Verbal Abuse, Job Stress and Burnout on Nurses' Turnover Intention in Hemodialysis Units
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Journal of Korean Academy of Nursing Administration.2016; 22(2): 189. CrossRef
The Impacts of Job Stress and Job Embeddedness on Presenteeism among Container Terminal Workers
Ji Hyun Lee, Eun Kyung Choi, Hyang Ok Oh, Hye Kyung Moon, Sang Min Lee
Journal of Korean Academy of Community Health Nursing.2016; 27(1): 31. CrossRef
The mediating effect of emotional intelligence between emotional labour, job stress, burnout and nurses' turnover intention
Eunyoung Hong, Young Sook Lee
International Journal of Nursing Practice.2016; 22(6): 625. CrossRef
Impact of Working environment on Psychological Well-being in Male Baby boomers
Min-Jeong Park, Hyeong-seon Kim
Journal of Korean Public Health Nursing.2016; 30(1): 17. CrossRef
Analysis of stress, musculoskeletal disorders, and fatigue among broadcasting actors
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Journal of Physical Therapy Science.2016; 28(11): 3047. CrossRef
Association of Job Stress with Health-promoting Behaviors and Health Status in Clinical Nurses
Jung-Suk Kim, Chun-Ja Kim
Korean Journal of Occupational Health Nursing.2016; 25(4): 311. CrossRef
Impact of Job-stress on Fatigue Among 119 Rescue Workers
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Journal of the Korea Academia-Industrial cooperation Society.2016; 17(4): 433. CrossRef
Converged Study of Influencing Factors on Occupational Stress in Workers
Eun Kyung Lee, Jin-Hwa Park
Journal of the Korea Convergence Society.2016; 7(3): 15. CrossRef
Job Stress and Mental Health of Female Household Head Workers
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Korean Journal of Occupational Health Nursing.2016; 25(4): 249. CrossRef
Relationships between Occupational Stress, Burnout and Job Satisfaction of Physician Assistants
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Journal of Korean Public Health Nursing.2016; 30(1): 122. CrossRef
The Effects of an Online Mind-Body Training Program on Stress, Coping Strategies, Emotional Intelligence, Resilience and Psychological State
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PLOS ONE.2016; 11(8): e0159841. CrossRef
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Journal of the Korea Convergence Society.2016; 7(3): 87. CrossRef
The Effect of High-Frequency Repetitive Transcranial Magnetic Stimulation on Occupational Stress among Health Care Workers: A Pilot Study
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Psychiatry Investigation.2016; 13(6): 622. CrossRef
The Effects of Occupational Stress and Musculoskeletal Symptoms on Health-Related Quality of Life in Female Labor Workers
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Journal of Korean Society of Occupational and Environmental Hygiene.2016; 26(2): 210. CrossRef
A Study on Relationship between Interpersonal Relation, Communication Skills and Work-related Stress in Physical Therapists
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Journal of the Korea Society of Computer and Information.2016; 21(2): 123. CrossRef
Psychological factors influence the overlap syndrome in functional gastrointestinal disorders and their effect on quality of life among firefighters in South Korea
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Journal of Digestive Diseases.2016; 17(4): 236. CrossRef
Factors related to heart rate variability among firefighters
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Annals of Occupational and Environmental Medicine.2016;[Epub] CrossRef
Risk factors associated with musculoskeletal symptoms in Korean dental practitioners
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Journal of Physical Therapy Science.2016; 28(1): 56. CrossRef
A study on the relationship between job stress and nicotine dependence in Korean workers
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Annals of Occupational and Environmental Medicine.2016;[Epub] CrossRef
Temperament and Character Traits, Heart Rate Variability and Occupational Stress in New Nursing Employees
Min Soo Ko, Yong Lee Jang, Jin Sook Choi, Hyun Bo Shim, Hee Jung Nam, Mee Suk Wang, In Deok Lee, Hae Woo Lee
Journal of Korean Neuropsychiatric Association.2016; 55(3): 271. CrossRef
Factors associated with the occurrence of functional dyspepsia and insomnia in shift-working nurses
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Journal of the Korea Academia-Industrial cooperation Society.2016; 17(7): 629. CrossRef
The Convergence Influence of Emotional Labor of clinical dental hygienist working on Job stress. -Focused on Mediating Effects of Self Esteem-
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Journal of the Korea Convergence Society.2016; 7(6): 67. CrossRef
Effects of Dysfunctional Customer Behavior, Job Stress and Stress Copying on Job Satisfaction in Insurance Solicitors
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Journal of the Korea Academia-Industrial cooperation Society.2016; 17(9): 578. CrossRef
Association between job stress and occupational injuries among Korean firefighters: a nationwide cross-sectional study
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BMJ Open.2016; 6(11): e012002. CrossRef
The Influence of Job Stress of Care Workers on Customer Orientation
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The Korean Journal of Health Service Management.2016; 10(3): 173. CrossRef
The Influence of Job Stress and Calling on the Organizational Commitment of Nurses: Focused on Clinical Nurses at University Hospitals in Busan
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The Korean Journal of Health Service Management.2016; 10(3): 27. CrossRef
The Effect of Safety-Aisle on the Perception of Safety-Related Variables in the Small Sawmilling Industry
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Journal of the Korean Society of Safety.2016; 31(3): 109. CrossRef
Convergence Relationship between Occupational Stress and Fatigue Symptoms among Blue Collar Workers in Manufacturing Plants
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Journal of the Korea Convergence Society.2016; 7(1): 57. CrossRef
Workplace Bullying, Job Stress, Intent to Leave, and Nurses’ Perceptions of Patient Safety in South Korean Hospitals
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Nursing Research.2016; 65(5): 380. CrossRef
Psychological factors influence the gastroesophageal reflux disease (GERD) and their effect on quality of life among firefighters in South Korea
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International Journal of Occupational and Environmental Health.2016; 22(4): 315. CrossRef
Job stress and mental health among nonregular workers in Korea: What dimensions of job stress are associated with mental health?
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Archives of Environmental & Occupational Health.2016; 71(2): 111. CrossRef
Factors associated with suicide ideation among subway drivers in Korea
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Annals of Occupational and Environmental Medicine.2016;[Epub] CrossRef
The Impact of Job Stress on Smoking and Cessation of Hospital Male Employee
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Journal of the Korean Society for Research on Nicotine and Tobacco.2016; 7(1): 19. CrossRef
Relationship between Job Stress and Fatigue Symptoms among Manufacturing Male Workers
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Journal of the Korea Academia-Industrial cooperation Society.2016; 17(7): 543. CrossRef
Comparison of Job Stress, Quality of Life Scale and Health Promotion Behaviors in Public Health Officials and General Administration Officials
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Korean Journal of Occupational Health Nursing.2016; 25(4): 320. CrossRef
The association of relational and organizational job stress factors with sleep disorder: analysis of the 3rd Korean working conditions survey (2011)
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Annals of Occupational and Environmental Medicine.2016;[Epub] CrossRef
Analysis of the Influence of Human Nature Factors, Mental Health Factors and Fatigue on Occupational Stress among Hospital Administrative Staff Using a Structural Equation Model
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Validity and Reliability of the Korean Version of the Expanded Nursing Stress Scale
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Journal of Korean Academy of Nursing Administration.2015; 21(5): 542. CrossRef
Influencing factors of self-reported dry mouth in the employees in social welfare facilities
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Journal of Korean society of Dental Hygiene.2015; 15(4): 671. CrossRef
Factors associated with Problem Drinking in Korean Male Employees for Drinking Motivation, Job Stress, and Drinking Refusal Self-efficacy
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Korean Journal of Occupational Health Nursing.2015; 24(1): 48. CrossRef
Moderating Effect of Stress Coping Strategies on the Relationship between a National Statistics Office Workers' Occupational Stress and Mental Health
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Journal of Korean Neuropsychiatric Association.2015; 54(4): 587. CrossRef
The effect of organisational system on self-rated depression in a panel of male municipal firefighters
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Annals of Occupational and Environmental Medicine.2015;[Epub] CrossRef
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Safety Science.2015; 77: 160. CrossRef
The Effects of Job Stress, Depression, and Psychological Happiness on Job Satisfaction of Office Workers
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The Journal of Korean Academic Society of Nursing Education.2015; 21(4): 490. CrossRef
The Convergence Study on the Relationship between the Job Stress and Mental Health of Nurses
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Effects of sleep quality and occupational stress on health-related quality of life among a university's security workers
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Korean Journal of Health Education and Promotion.2015; 32(3): 73. CrossRef
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High Occupational Stress and Low Career Satisfaction of Korean Surgeons
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Annals of Occupational and Environmental Medicine.2015;[Epub] CrossRef
Musculoskeletal Disorder Symptoms and Its Related Factors among Male Workers in Manufacturing Industries
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Journal of the Korea Academia-Industrial cooperation Society.2015; 16(10): 6627. CrossRef
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Relationship between Job Stress and Smoking Behaviors among Small Scale Manufacturing Male Workers
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Journal of the Korea Academia-Industrial cooperation Society.2015; 16(12): 8509. CrossRef
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Journal of dental hygiene science.2015; 15(5): 679. CrossRef
Effects of an internet-based lifestyle intervention on cardio-metabolic risks and stress in Korean workers with metabolic syndrome: A controlled trial
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Patient Education and Counseling.2015; 98(1): 111. CrossRef
Structural Equation Modeling on Health Status in Hospital Nurses: Based on the Theory of Salutogenesis With Bio Behavioral Approach
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Journal of Korean Biological Nursing Science.2015; 17(1): 50. CrossRef
Anxiety symptoms and occupational stress among young Korean female manufacturing workers
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Annals of Occupational and Environmental Medicine.2015;[Epub] CrossRef
Occupational Stress and Emotional Intelligence in Hospice Volunteers
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The Korean Journal of Hospice and Palliative Care.2015; 18(2): 112. CrossRef
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Korean Journal of Occupational Health Nursing.2015; 24(4): 352. CrossRef
Occupational stress and related factors among surgical residents in Korea
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Annals of Surgical Treatment and Research.2015; 89(5): 268. CrossRef
Characteristics and Factors Associated with Problem Drinking in Male Workers
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Asian Nursing Research.2015; 9(2): 132. CrossRef
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Journal of Korean Academy of Nursing Administration.2015; 21(3): 287. CrossRef
An examination of work exhaustion in the mobile enterprise environment
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Technological Forecasting and Social Change.2015; 100: 255. CrossRef
Job Stress, Coping Type, and Job Satisfaction in Firefighters
Hyun Kim
Korean Journal of Occupational Health Nursing.2015; 24(4): 323. CrossRef
Resilience buffers the impact of traumatic events on the development of PTSD symptoms in firefighters
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Journal of Affective Disorders.2014; 162: 128. CrossRef
A Management Approach of the Construction Accidents Based on Assessing the Job Stress of Korean and Foreign Construction Laborers
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Journal of the Korean Society of Safety.2014; 29(5): 88. CrossRef
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Sleep.2014; 37(12): 1969. CrossRef
A Study on Stress and the Quality of Sleep among Orthodontic Patients
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Journal of the Korea Academia-Industrial cooperation Society.2014; 15(4): 2265. CrossRef
Correlation between Fatigue and Quality of Life Caused by Stress of Researchers' Work
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Korean Journal of Occupational Health Nursing.2014; 23(3): 171. CrossRef
Comparing Stress Perception and Leisure Type Preference between South Korean Smoking and Nonsmoking Casino Employees
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International Journal of Mental Health and Addiction.2014; 12(5): 618. CrossRef
Occupational Stress of Women Workers in Service Industries depending on Their Working Conditions
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Korean Journal of Occupational Health Nursing.2014; 23(2): 89. CrossRef
The relationship between job stress and service quality, and the moderating effect of organizational justice
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Journal of the Korea Safety Management and Science.2014; 16(3): 389. CrossRef
Comparative Analysis of Work Stress Assessment Tools for Estimating Human Work Performance
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Journal of the Korean Society of Safety.2014; 29(6): 144. CrossRef
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Korean Journal of Occupational Health Nursing.2014; 23(1): 20. CrossRef
The Effects of Aroma Inhalation Method with Roll-on in Occupation Stress, Depression and Sleep in Female Manufacture Shift Workers
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Journal of the Korea Academia-Industrial cooperation Society.2014; 15(5): 2903. CrossRef
Job Stress and Musculoskeletal Disorder in Seoul City's School Foodservice Employees
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Korean Journal of Occupational Health Nursing.2014; 23(4): 245. CrossRef
Relationships of Job Stress, Fatigue & Depression among one Ship-building Supply Workers
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Journal of the Korea Academia-Industrial cooperation Society.2014; 15(5): 2789. CrossRef
Factors Affecting Tuberculosis (TB) Control Nurses' Job Satisfaction
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Systematic analysis of tobacco treatment interventions implemented in worksite settings
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Korean Journal of Adult Nursing.2014; 26(2): 149. CrossRef
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Korean Journal of Occupational Health Nursing.2014; 23(3): 189. CrossRef
Job Stress and Job Satisfaction of Estimators in Korean Construction Company
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Applied Mechanics and Materials.2014; 501-504: 2646. CrossRef
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Factors Related to Occupational Stress among Hospital Administrative Staff
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Psychosocial Work Environment and Self-rated Health of Nurses in a General Hospital
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Korean Journal of Occupational Health Nursing.2014; 23(4): 219. CrossRef
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Journal of the Korea Academia-Industrial cooperation Society.2013; 14(4): 1612. CrossRef
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Measuring stress with questionnaires
Ho Cheol Shin
Journal of the Korean Medical Association.2013; 56(6): 485. CrossRef
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Journal of Nursing Scholarship.2013; 45(2): 169. CrossRef
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The Journal of the Korea institute of electronic communication sciences.2013; 8(9): 1373. CrossRef
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Journal of the Korea Academia-Industrial cooperation Society.2013; 14(10): 5069. CrossRef
A Review on the Job Stress Measurements in Nuclear Power Plant Workers for Human Error Prevention
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Journal of the Ergonomics Society of Korea.2013; 32(1): 47. CrossRef
Job Stress, Job Satisfaction, and Organizational Commitment of Customized Home Health Care Nurse
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Journal of the Korean Surgical Society.2013; 84(5): 261. CrossRef
Effect of Workplace Bullying and Job Stress on Turnover Intention in Hospital Nurses
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Journal of Korean Academy of Psychiatric and Mental Health Nursing.2013; 22(2): 77. CrossRef
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The Journal of Digital Policy and Management.2013; 11(11): 603. CrossRef
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Korean Journal of Adult Nursing.2013; 25(4): 432. CrossRef
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Original Article

Sociopsychological factors associated with symptoms of work-related musculoskeletal disease: Chul Gab Lee, Jong Park, Jung Sik Park, Seok Joon Sohn; Korean Journal of Occupational and Environmental Medicine 2005;17(2):104-115. Published online June 30, 2005; DOI: https://doi.org/10.35371/kjoem.2005.17.2.104

Abstract PDF

OBJECTIVES
The sudden increase in work-related musculoskeletal disease is caused by sociopsychological factors and ergonomic risk factors of the work process. This study evaluates the relationship between the symptoms of musculoskeletal disease and the sociopsychological factors.
METHODS
A questionnaire survey and ergonomic evaluation were administered to workers of a shipyard company with a high incidence rate of musculoskeletal disease. To quantify the pain score associated with a diagnosis of musculoskeletal disease, the pain degree(1~5points), frequency (1~4 points) and duration (1~4 points) were multiplied to give a maximum score of 80. A score above 64 points on the pain score was defined as 'severe pain group'. This 'severe pain group' was chosen as the dependent variable and the sociopsychological factors were evaluated as independent variables with structural equation modeling based on a decision tree of exhaustive CHAID.
RESULTS
The standardized regression weights value with reference to the REBA score(0.54) had the largest value by the type of company, followed in order by joining and acting labor union(.313), job demand(.172), senior support(-.095), insufficient sleep (.092), and colleague support (.061).
CONCLUSION
The symptoms of musculoskeletal disease were greatly affected by sociopsychological factors such as whether joining and acting labor union, job demand, and senior or colleague support.

Citations

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The Validity and Reliability of the Second Korean Working Conditions Survey
Young Sun Kim, Kyung Yong Rhee, Min Jung Oh, Jungsun Park
Safety and Health at Work.2013; 4(2): 111. CrossRef
Work-related musculoskeletal disorders in Korean farmers
Chul Gab Lee
Journal of the Korean Medical Association.2012; 55(11): 1054. CrossRef

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Original Article

Job Characteristics and Psychosocial Distress of Atypical Workers: Sang Baek Koh, Mia Son, Jung Ok Kong, Chul Gab Lee, Sei Jin Chang, Bong Suk Cha; Korean Journal of Occupational and Environmental Medicine 2004;16(1):103-113. Published online March 31, 2004; DOI: https://doi.org/10.35371/kjoem.2004.16.1.103

Abstract PDF

OBJECTIVE: This study was conducted to compare the job characteristics (work demand, decision latitude, and job insecurity) and psychosocial stress levels of typical workers in the parent firm, to those of atypical workers in subcontracted firms. In addition the risk factors for psychosocial stress of atypical workers are evaluated.
METHOD
The study design was cross-sectional, and 1,713 shipbuilding workers (681; typical workers, 1,032; atypical workers) were recruited. A structured-questionnaire was used to assess the general characteristics, job characteristics and psychosocial stress levels. We used the chi-square test for univariate and multiple regression analyses.
RESULTS
In univariate analyses, there were significant differences in smoking, hobby, insufficient sleeping, work hours per week, quitting, unemployment, job demand, job decision latitude and job insecurity. The job strain was significantly higher in the atypical workers than in the typical workers. The proportion of iso-strain groups was significantly greater in the atypical workers than typical workers. Using psychosocial stress as the dependent variable, multiple regression models were estimated. After adjustment for sociodemographic factors, unemployment, quitting, employment type, job demand, job decision latitude and job insecurity were all found to be significantly associated with psychosocial stress.
CONCLUSION
This result suggests that the psychosocial stress of atypical workers is related to job characteristics such as job insecurity and labor flexibility.

Citations

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Original Article

Study on the Cervicobrachial Syndrome Among Microwave-oven Assemblers (III) : A Review on Working Posture: Yang Ok Kim, Jong Park, So Yeon Ryu, Chul Gab Lee; Korean Journal of Occupational and Environmental Medicine 1997;9(2):275-282. Published online June 30, 1997; DOI: https://doi.org/10.35371/kjoem.1997.9.2.275

Abstract PDF: Working postures in 116 microwave-oven assemblers were measured and analysed using postural load scores of body parts in 137 workers complaining the cervicobrachial syndrome (CBS). The relationship between postural load scores of body parts and the grades of CBS was observed. Results were summarized as follows. 1. The height of work-table and work-seat, the thumb tip reach, the shoulder angle, the elbow angle and the forward bending angle of body trunk exceeded the recommended level and therefore they seemed to impose increased static postural loads on muscles of neck and shoulder as well as static and/or dynamic load on arm and hand muscles. 2. The postural load score of shoulder in grade II was significantly lower than that in grade III-2 and IV and those of elbow, neck+shoulder, elbow+wrist and upper extremity were significantly lower in grade II than in grade Iv. These results suggested that the awkward working postures were associated with the occurrence of CBS as well as the severity of CBS.

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