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Original Article
Occupation classification model based on DistilKoBERT: using the 5th and 6th Korean Working Condition Surveys
Tae-Yeon Kim, Seong-Uk Baek, Myeong-Hun Lim, Byungyoon Yun, Domyung Paek, Kyung Ehi Zoh, Kanwoo Youn, Yun Keun Lee, Yangho Kim, Jungwon Kim, Eunsuk Choi, Mo-Yeol Kang, YoonHo Cho, Kyung-Eun Lee, Juho Sim, Juyeon Oh, Heejoo Park, Jian Lee, Jong-Uk Won, Yu-Min Lee, Jin-Ha Yoon
Ann Occup Environ Med 2024;36:e19.   Published online August 6, 2024
DOI: https://doi.org/10.35371/aoem.2024.36.e19
AbstractAbstract AbstractAbstract in Korean PDFSupplementary MaterialPubReaderePub
Background

Accurate occupation classification is essential in various fields, including policy development and epidemiological studies. This study aims to develop an occupation classification model based on DistilKoBERT.

Methods

This study used data from the 5th and 6th Korean Working Conditions Surveys conducted in 2017 and 2020, respectively. A total of 99,665 survey participants, who were nationally representative of Korean workers, were included. We used natural language responses regarding their job responsibilities and occupational codes based on the Korean Standard Classification of Occupations (7th version, 3-digit codes). The dataset was randomly split into training and test datasets in a ratio of 7:3. The occupation classification model based on DistilKoBERT was fine-tuned using the training dataset, and the model was evaluated using the test dataset. The accuracy, precision, recall, and F1 score were calculated as evaluation metrics.

Results

The final model, which classified 28,996 survey participants in the test dataset into 142 occupational codes, exhibited an accuracy of 84.44%. For the evaluation metrics, the precision, recall, and F1 score of the model, calculated by weighting based on the sample size, were 0.83, 0.84, and 0.83, respectively. The model demonstrated high precision in the classification of service and sales workers yet exhibited low precision in the classification of managers. In addition, it displayed high precision in classifying occupations prominently represented in the training dataset.

Conclusions

This study developed an occupation classification system based on DistilKoBERT, which demonstrated reasonable performance. Despite further efforts to enhance the classification accuracy, this automated occupation classification model holds promise for advancing epidemiological studies in the fields of occupational safety and health.

DistilKOBERT를 기반으로 한 직업 분류 모델 개발: 제5차, 6차 한국근로실태조사를 이용하여
목적
정확한 직업분류는 정책 개발 및 역학 연구를 포함한 다양한 분야에서 중요하다. 본 연구는 자연어처리모델인 DistilKoBERT를 기반으로 한 직업 분류 모델을 개발하는 것을 목표로 한다.
방법
본 연구는 2017년과 2020년에 실시된 제5차와 제6차 근로환경조사 (KWCS)의 데이터를 활용하였다. 대한민국 근로자를 국가적으로 대표하는 총 99,665명의 참가자가 포함되었고, 직무 내용과 관련된 자연어 응답과 그에 맞는 대한민국 표준직업 분류코드(7차 개정, 3자리 코드)를 연구에 사용하였다. 데이터셋은 7:3의 비율로 훈련 및 테스트 데이터셋으로 무작위로 분할되었고, 사전 학습된 DistilKoBERT을 훈련 데이터셋을 통해 파인튜닝하여 모델을 학습시키고, 테스트 데이터셋을 사용하여 그 기능을 평가하였다. 정확도, 정밀도, 재현율 및 F1 점수가 평가 지표로 계산되었다.
결과
테스트 데이터셋의 28,996명의 참가자를 142개의 직업 코드로 분류한 최종 모델은 84.44%의 정확도를 보였다. 샘플 크기를 기준으로 가중치를 적용하여 계산한 모델의 정밀도, 재현율 및 F1 점수는 각각 0.83, 0.84 및 0.83 이었다. 최종 모델은 서비스, 판매 종사자 그룹에서 높은 정밀도를 보여주었지만 관리자 그룹에서는 낮은 정밀도를 보였다. 또한 훈련 데이터셋에서 표본의 수가 많았던 직업에서 대체로 높은 정밀도를 보였다.
결론
본 연구는 DistilKoBERT를 기반으로 합리적인 성능을 보이는 직업 분류 모델을 개발하였다. 분류의 정확성을 향상시키기 위한 추가적인 노력이 필요하지만, 자동화된 직업 분류 모델은 직업 안전 및 보건 분야의 유행병 연구를 발전시키는 데 기여할 것이라 기대된다.
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Original Article
Telecommuting during the COVID-19: the role of job demand and control on health outcomes
Seung-Woo Ryoo, Jin-Young Min, Seok-Yoon Son, Baek-Yong Choi, Juho Choi, Kyoung-Bok Min
Ann Occup Environ Med 2024;36:e14.   Published online June 14, 2024
DOI: https://doi.org/10.35371/aoem.2024.36.e14
AbstractAbstract AbstractAbstract in Korean PDFSupplementary MaterialPubReaderePub
Background

The coronavirus disease 2019 (COVID-19) pandemic drastically modified the occupational system wherein telecommuting has risen as the major form of work. Few studies have incorporated Karasek’s job demand-control (JDC) model into explaining the health effects of telecommuting. This study aimed to investigate the health risk in South Korean telecommuters during the pandemic, and its distribution according to the job stress-related factors.

Methods

A nationwide population-based cross-sectional study of South Korean laborers was conducted, utilizing the 6th Korean Working Conditions Survey (2020–2021). Following the previously described concept of telecommuting, 14,478 white-collar employees were eligible study participants. Telecommuting, job demand, job control, and various health indicators were measured by the responses to the survey. Participants were stratified into 4 job profiles classified by the JDC model. We conducted multiple logistic regression analyses between telecommuting and health-related outcomes to estimate the odds ratio (OR) with a 95% confidence interval (CI).

Results

One hundred forty-six low-strain, 223 active, 69 passive, and 148 high-strain workers were screened as telecommuters. Compared to office workers, telecommuters had a higher proportion in high job control groups. Subgroup analysis demonstrated different relationships between telecommuting and health, where only active telecommuters showed a higher prevalence of depression (OR: 1.980, 95% CI: 1.126–3.481), and high-strain telecommuters were affected in most outcomes including insomnia (OR: 2.555, 95% CI: 1.473–4.433), musculoskeletal pain (OR: 2.786, 95% CI: 1.719–4.517), headache/eye strain (OR: 3.074, 95% CI: 1.992–4.745) and presenteeism (OR: 1.932, 95% CI: 1.193–3.131).

Conclusions

This study revealed significantly increased odds of multiple health outcomes among South Korean telecommuters during the COVID-19 pandemic era. High-strain job holders were prominently susceptible to the negative health impacts of telecommuting. Occupational health management towards telecommuters should approach mitigating high job demand and low job control.

코로나19 시기 재택근무: 건강 결과에 대한 직무 요구와 직무 재량의 역할
목적
코로나19 팬데믹으로 인해 재택근무는 직무 체계에서 주요한 업무 형태로 떠올랐다. 재택근무가 노동자의 건강에 미치는 영향을 설명하는데 있어 직무 요구-재량 모델을 도입한 연구가 부족하다. 본 연구는 팬데믹 기간 동안 한국 재택근무자들의 건강 위험과 상기 직무 스트레스 관련 요인에 따른 분포를 조사하는 것을 목표로 했다.
방법
본 연구는 제6차 근로환경조사(2020~2021년)를 활용하여 한국 노동자에 대한 전국 인구 기반 횡단면 연구를 실시했다. 이전 연구에서 확립한 재택근무 개념에 따라 14,478명의 화이트 칼라 피고용인 노동자들을 적격집단으로 선정했다. 설문조사 응답 결과를 토대로 재택근무, 직무 요구, 직무 재량 및 다양한 건강 지표를 측정했다. 연구대상자들을 직무 요구-재량 모델에 따라 분류된 네 가지 직무 유형으로 구분하였고, 다중 로지스틱 회귀분석을 시행하여 재택근무 여부에 따른 건강 변수의 오즈비(OR)와 95% 신뢰구간(CI)을 측정하였다.
결과
저-긴장 노동자 146명, 능동적 노동자 223명, 수동적 노동자 69명, 고-긴장 노동자148명이 재택근무자로 분류되었다. 통근근무자와 비교했을 때, 재택근무자들은 직무 재량이 높은 군에서 그 비중이 높았다. 층화분석 결과 재택근무와 건강 사이의 연관성은 군별로 상이하였는데, 오직 능동적 재택근무자들만이 통근근무자들보다 높은 우울증 유병률을 보였고 (OR 1.980, 95% CI 1.126-3.481) 고-긴장 재택근무자들이 가장 많은 결과 변수에서 유의한 오즈비를 보였다; 불면증 (OR 2.555, 95% CI 1.473-4.433), 근골격계 통증 (OR 2.786, 95% CI 1.719-4.517), 두통/안구 피로 (OR 3.074, 95% CI 1.992-4.745), 상병 시 근무 (OR 1.932, 95% CI 1.193-3.131).
결론
본 연구에 따르면 코로나19 팬데믹 기간 동안 한국 재택근무자들에서 다수의 건강 문제가 발생할 오즈가 유의하게 증가하였다. 그중 고-긴장 업무에 종사하는 노동자들은 재택근무가 건강에 미치는 부정적인 영향에 가장 취약하였다. 따라서 재택근무자들에 대한 산업보건 관리는 높은 직무 요구와 낮은 직무 재량을 완화하는 방향으로 접근해야 할 것이다.
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Original Article
Effect of job satisfaction on depression after adjusting for satisfaction with other life domains
SeongCheol Yang, Ji Hoon Kim, Minju Jung, Hwan-Cheol Kim, Jong-Han Leem, Shin-Goo Park
Ann Occup Environ Med 2024;36:e8.   Published online March 28, 2024
DOI: https://doi.org/10.35371/aoem.2024.36.e8
AbstractAbstract AbstractAbstract in Korean PDFPubReaderePub
Background

Studies on the association between job satisfaction and depression have often been reported. However, no study has examined how job satisfaction impacts depression while considering satisfaction with other aspects of life. In this study, we evaluated the effect of job satisfaction on depression after adjusting for satisfaction with other domains of life.

Methods

We used data from the 16th wave of the Korean Welfare Panel Study. A total of 3568 current employees without depression who completed a survey were included. Depression was measured using the abbreviated version of the CES-D scale. Various types of satisfaction, including job satisfaction, were measured using single-item questions and a 5-point Likert scale. The association between job satisfaction and depression after considering satisfaction with other life domains was analyzed using a multiple logistic regression model.

Results

Crude models showed a significant association between job satisfaction and depression in males (odds ratio [OR]: 7.90; 95% confidence interval [CI]: 4.11–15.23) and females (OR: 7.12; 95% CI: 4.40–11.50). When adjusted for sociodemographic factors, health-related factors, and work-related factors, the association remained significant in males (OR: 6.20; 95% CI: 3.10–12.41) and females (OR: 6.28; 95% confidence interval (CI): 3.79–10.40). However, when satisfaction with other life domains was included, the association remained significant only in females (OR: 3.55; 95% CI: 1.93–6.50).

Conclusions

This study shows an association between job satisfaction and depression in Korean employees. However, when satisfaction with other life domains was considered, this association remained significant only in women. Regular screening of job satisfaction should be considered as a means of preventing and managing depression among female employees.

삶의 다른 영역의 만족도들을 보정한 후 일 만족도가 우울에 미치는 영향
목적
과거의 많은 연구들에서 일 만족도와 우울 사이에 연관성이 있음이 밝혀졌다. 그러나, 삶의 다른 영역의 만족도들까지 고려하여 일 만족도가 우울에 미치는 영향을 조사한 연구는 현재까지 없었다. 이번 연구는 삶의 다른 영역의 만족도들을 보정하여 일 만족도와 우울 사이의 연관성을 평가하였다.
방법
본 연구는 한국복지패널 (Korean Welfare Panel Study)의 16차 조사자료를 활용하였다. 우울증을 진단받은 적이 없고 설문을 완료한 총 3568명의 임금 근로자가 선정되었다. 우울은 축약형 CES-D를 이용하여 평가했으며, 직업 만족도를 포함한 여러 만족도들은 5점 리커트 척도로 구성된 단일 문항으로 평가했다. 삶의 다른 영역의 만족도들에 대해 보정하여 직업 만족도와 우울간의 연관성을 분석하기 위해 다중 로지스틱 회귀분석을 수행하였다.
결과
보정되지 않은 모형에서 우울에 대한 오즈비는 남성의 경우 일 만족 그룹에 비해 일 불만족 그룹에서 7.90 (95% CI: 4.11-15.23), 여성의 경우 7.12 (95% CI: 4.40-11.50)였다. 사회인구학적 요인, 건강 요인, 직업 관련 요인에 대해 보정했을 때도 남성에서 오즈비 6.20 (95% CI: 3.10-12.41), 여성에서 오즈비 6.28 (95% CI: 3.79-10.40)이었다. 그러나, 추가로 삶의 다른 영역의 만족도들에 대해 보정하여 분석했을 때는, 여성에서만 일 만족도와 우울 간에 유의미한 연관성이 나타났다 (OR=3.55, 95% CI: 1.93-6.50).
결론
연구결과에 따르면, 삶의 다른 영역의 만족도들을 고려하여 분석했을 때 일 만족도와 우울 사이의 연관성은 여성에서만 유의미했다. 우울을 예방하기 위한 한 방법으로, 직장에서 여성 근로자들에 대해 정기적으로 직업 만족도를 확인하고 관리해야 할 것이다.
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Original Article
The association of job training duration and risk of depression among wage workers: an analysis of the mediating factors
Dong Geon Kim, Dong Kyu Kim, Kiook Baek
Ann Occup Environ Med 2024;36:e7.   Published online March 22, 2024
DOI: https://doi.org/10.35371/aoem.2024.36.e7
AbstractAbstract AbstractAbstract in Korean PDFSupplementary MaterialPubReaderePub
Background

Research on job training and job satisfaction has been conducted from various perspectives. Job training is thought to be associated with job satisfaction, which is known as an important factor for depression among workers. We hypothesized that job training duration could influence depression through potential mediators (job satisfaction, motivation to work, and work engagement).

Methods

This study encompassed participants from the sixth Korean Working Conditions Survey (KWCS), conducted between 2020 and 2021. To show the relationships between demographic or occupational characteristics and risk of depression, a χ2 test was conducted. The association between job training duration, potential mediators, and risk of depression was analyzed by constructing multiple logistic regression models. The mediating effects of potential mediators on job training duration and risk of depression was evaluated with flexible mediation analysis with weighting-based methods.

Results

The final study population consisted of 25,294 participants. Longer job training duration significantly decreased risk of depression after adjusting for confounders. In the group that received the longest job training duration (≥ 10 days), compared with the group without job training, the odds ratio (OR) for high risk of depression was 0.46 (95% confidence interval [CI], 0.39–0.54). Each three potential mediators showed statistically significant indirect effects and direct effect. Although indirect effects were not strong compared to direct effect, motivation to work had the strongest mediating effect in this study, with an OR of 0.94 (95% CI, 0.92–0.95).

Conclusions

Job training duration was found to have a statistically significant negative association on the risk of depression, and three mediators partially mediating this effect. Although the mechanism was unknown, our findings suggest that job training has a positive influence on workers' mental health. Furthermore, by suggesting the possibility of other pathways existing between job training and depression, we provide directions for future research.

임금근로자에서 직무교육과 우울증 사이의 연관성: 매개요인 분석
목적
직무교육과 직무만족도에 대한 연구는 다양한 관점에서 진행되었다. 직무교육은 직무만족도와 연관이 있는 것으로 알려져 있으며, 근로자들에 있어 우울증의 중요한 요인 중 하나로 직무만족도가 지목되고 있다. 이번 연구에서는 직무교육기간이 잠재적인 매개요인들(직무만족도, 직무동기, 직무열의)를 통해 우울증에 영향을 미칠 수 있을 거라는 가설을 세웠다.
방법
이 연구는 2020년부터 2021년까지 시행한 제6차 근로환경조사에서 데이터를 얻었다. 우울증과 직업적, 인구적 특성의 관계를 분석하기 위해 카이 제곱 검정을 시행하였다. 직무교육 일수와 우울증 위험도의 관계를 확인하기 위해 로지스틱 회귀분석을 사용하였으며, 잠재적 매개요인들의 매개효과를 분석하기 위해 가중치를 부여하여, flexible mediation analysis를 시행하였다.
결과
최종적으로 연구에 참여한 참가자는 25,294명이었다. 긴 직무교육을 받은 그룹일수록 유의하게 우울증의 위험도가 감소하였다. 가장 긴 교육(10일 이상)을 받은 군은 교육을 받지 않은 군에 비해 우울증 위험도의 오즈비가 0.46 (95% 신뢰구간 0.39-0.54) 였다. 각각의 매개요인들에서 간접효과와 직접효과 모두 통계적으로 유의하였다. 간접효과는 직접효과에 비해 크지 않았고, 가장 강한 간접효과는 직무동기에서, 1-3일의 직무훈련을 받은 경우, 오즈비는 0.94 (95% 신뢰구간 0.92-0.95) 였다.
결론
이 연구를 통해 직무교육은 우울증 위험도에 유의한 영향을 끼치며, 그 과정에 직무만족도와 다른 요인들이 부분적인 매개효과를 가진다는 것을 확인할 수 있었다. 그 기전을 알 수는 없었지만, 이번 연구를 통해 직무교육은 근로자의 정신건강에도 긍정적인 효과를 가진다는 것을 보일 수 있었다. 또한 직무교육과 우울증 사이의 다른 매개 경로가 있을 가능성을 제시함으로써, 추후 연구의 방향을 제시할 수 있었다.
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Original Article
Relationship between job stress and impaired fasting glucose in male steel industry workers: a cross-sectional study
Hyun-Kyo Lee, Inho Lee, Jisuk Yun, Yong-Jin Lee, Eun-Chul Jang, Young-Sun Min, Soon-Chan Kwon
Ann Occup Environ Med 2023;35:e12.   Published online June 2, 2023
DOI: https://doi.org/10.35371/aoem.2023.35.e12
AbstractAbstract AbstractAbstract in Korean PDFPubReaderePub
Background

The purpose of this study is to investigate the relationship between job stress and impaired fasting glycemia (IFG) of male workers in a manufacturing industry.

Methods

Data were collected from 5,886 male workers in a manufacturing industry who participated in the medical examination from June 19 to August 14, 2020 through self-reported questionnaires. The general characteristics of the subjects, shift work, high blood pressure, dyslipidemia, and job stress were included. Job stress was measured using the Korean Occupational Stress Scale (KOSS) consisting of 8 items and 43 questions. Multivariable logistic regression analysis was used to investigate the IFG association with job stress.

Results

Among the various factors that can cause job stress, only high job demand was associated with a risk of IFG (odds ratio, 1.43; 95% confidence interval, 1.13–1.82) especially in non-shift worker. For all other factors, no statistically significant results were obtained.

Conclusions

In this study of male workers engaged in the Korean steel manufacturing industry, the 'job demand' item among job stress of non-shift worker was related to IFG.

철강 공장에 근무하는 남성 근로자의 직무 스트레스와 공복혈당장애와의 관계: 단면연구
목적
제2형 당뇨와 직무 스트레스와의 관계를 다룬 여러 연구가 있었으나 공복혈당장애와의 관계를 조사한 연구 결과는 존재하지 않았다. 본 연구는 단일 철강 사업장에서 직무스트레스와 공복혈당장애의 관련성을 확인하되 한국형 직무스트레스 각각 항목과의 연관성을 파악하고자 하였다.
방법
2020년 6월 19일부터 8월 14일까지 건강검진에 참여한 제조업 남성 근로자 5,886명을 대상으로 자체 보고 설문지를 통해 자료를 수집하였다. 변수로 대상자의 일반적인 특성 및 교대근무, 재직년수, 고혈압, 이상지질혈증, 직무스트레스 점수가 포함되었다. 직무스트레스는 8개 항목과 43개 질문으로 구성된 한국직업스트레스척도(KOSS)를 이용하여 측정되었다. 다중 로지스틱 회귀 분석을 사용하여 직무 스트레스와 IFG의 연관성을 조사하였다.
결과
직무스트레스를 유발할 수 있는 다양한 요인 중, 비 야간작업자의 높은 직무요구도만이 IFG(OR 1.43, 95% CI 1.13-1.82)의 위험 증가와 관련이 있었다. 다른 모든 요인의 경우 통계적으로 유의한 결과가 얻어지지 않았다.
결론
철강 제조업에 종사하는 남성 근로자들을 대상으로 한 본 연구에서 직무 스트레스 중 ‘직무 요구’ 항목은 비 야간작업자의 공복혈당장애와 관련이 있었다. 향후 다양한 직업군을 대상으로 한 후속 연구가 필요할 것이다.
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Original Article
The effect of job insecurity, employment type and monthly income on depressive symptom: analysis of Korean Longitudinal Study on Aging data
Myeong-Hun Lim, Jong-Uk Won, Won-Tae Lee, Min-Seok Kim, Seong-Uk Baek, Jin-Ha Yoon
Ann Occup Environ Med 2022;34:e24.   Published online September 13, 2022
DOI: https://doi.org/10.35371/aoem.2022.34.e24
AbstractAbstract AbstractAbstract in Korean PDFSupplementary MaterialPubReaderePub
Background

In modern society, depression is serious issue that causes socioeconomic and family burden. To decrease the incidence of depression, risk factors should be identified and managed. Among many risk factors for depression, this study examined socioeconomic risk factors for depression.

Methods

We utilized first (2006), second (2008), and third (2010)-wave data from the Korean Longitudinal Study of Aging (KLoSA). Depressive symptom was measured with the 10-item Center for Epidemiological Studies Depression Scale, Short Form (CES-D-10) in the survey in 2008 and 2010. Three risk factors including job security, employment type and monthly income were measured in the survey in 2006. The association between risk factors and depressive symptom was analyzed by Cox proportional-hazard model.

Results

We analyzed data from 1,105 workers and hazard ratios (HRs) for 3 risk factors were significant entirely. In addition, regular worker with high income group is the most vulnerable group of poor job insecurity on depression among male workers (HR: 1.73; 95% confidence interval [CI]: 1.07–2.81). Finally, HRs for 7 groups who had at least 1 risk factor had higher HRs compared to groups who had no risk factors after stratifying 3 risk factors. In the analysis, significantly vulnerable groups were total 5 groups and the group who had highest HR was temporary/daily workers with poor job security (HR: 2.51; 95% CI: 1.36–4.64). The results concerning women, regardless of job type, were non-significant.

Conclusions

This study presented one or more risk factors among poor job security, low income, temporary/daily employment type increase hazard for depressive symptom in 2 or 4 years after the exposure. These results inform policy to screen for and protect against the risk of depression in vulnerable groups.

직업 안정성, 고용 형태, 월 소득이 우울 증상에 미치는 영향 : 고령화연구 패널조사 분석을 중심으로
목적
우울증은 전세계적으로 사회경제적 부담을 유발하는 심각한 문제로 받아들여지고 있으며 우울증의 위험요인으로는 유전적, 기질적, 환경적, 사회경제적 요인들이 알려져 있으나, 최근 코로나바이러스 감염증-19로 인한 월 소득의 감소, 직업 불안정성을 포함한 사회경제적 요인이 중요하게 다루어지고 있다. 우울증을 스크리닝하기 위한 고위험군을 선정하기 위하여 본 연구에서는 전향적 코호트 내에서 직업 안정성, 고용 형태, 월 소득을 기준으로 8가지 그룹을 나누어 각 그룹의 우울 증상 발생 위험도를 분석하고자 한다.
방법
본 연구는 전향적 코호트 연구인 제 1, 2, 3차 고령화연구패널조사 결과를 분석하였다. 2, 3차 조사에서 적어도 한 번 이상 CES-D-10 점수가 4점 이상인 경우, 우울 증상이 발생하였다고 판단하였으며, 1차 조사에서 응답한 직업 안정성 여부, 고용 형태, 월 소득의 영향을 분석하였다. 분석에는 Cox proportional-hazard regression model이 사용되었으며, 나이, 학력, 월 근무시간, 흡연 및 음주 과거력, 직무 스트레스가 보정 변수로 사용되었다.
결과
먼저, 남성 근로자에서 직업 불안정성, 임시직/일용직 근로자, 낮은 월 소득을 위험요인으로 갖는 경우, 그렇지 않은 경우보다 우울 증상의 위험도가 유의하게 증가하였다. 두 번째로, 남성 근로자에서 월 소득, 고용 형태에 따라 4개의 그룹을 나누어 각 그룹에서 직업 불안정성의 영향을 분석하였으며, 월 소득이 높은 상용직 근로자 그룹에서만 유의한 결과를 보였다. 세 번째로, 직업 안정성, 월 소득, 고용 형태를 기준으로 8개의 그룹을 나누어 각각의 우울 증상의 위험도를 분석하였다. 남성과 여성 근로자에 대하여 각각 분석하였으며, 상용직, 높은 월 소득, 높은 직업 안정성을 가진 근로자를 기준 그룹으로 선정한 후, 위험도 분석을 진행하였다. 세 가지 위험 요소 중, 낮은 직업 안정성만을 위험 요소로 갖는 그룹 (HR [95% CI]: 1.66 [1.05-2.61]), 낮은 직업 안정성과 낮은 월 소득을 갖는 그룹 (HR [95% CI]: 1.76 [1.19-2.61]), 낮은 직업 안정성과 임시직/일용직 근로자를 갖는 그룹 (HR [95% CI]: 2.51 [1.36-4.64]), 낮은 월 소득과 임시직/일용직 근로자를 갖는 그룹(HR [95% CI]: 1.81 [1.02-3.22]) 세 가지 위험 요소를 모두 갖는 그룹 (HR [95% CI]: 2.27 [1.57-3.27])에서 우울 증상의 위험도 증가가 유의하게 나타났다. 세 가지 분석 모두에서 여성 근로자의 경우, 유의미한 결과를 보이지 않았다.
결론
본 연구에서는 직업 불안정성, 임시직/일용직 고용 형태, 낮은 임금에 노출된 경우, 노출 후 2년과 4년 중 1회 이상 우울 증상 발생 위험도가 유의하게 증가한다는 결과를 도출하였다. 본 연구에서 우울 증상에 대한 위험요인이 많은 근로자일수록 우울 증상에 대한 위험도가 큰 것으로 분석되었다. 예외적으로, 임시직/일용직 근로자의 경우, 높은 월 소득의 근로자가 낮은 근로자보다 위험도가 높았다. 마지막으로 월 소득과 고용 형태를 기준으로 그룹을 나누었을 때, 직업 안정성에 의한 위험도 증가가 가장 큰 그룹은 상용직 근로자 중 월 소득이 높은 경우였다. 위 결과를 바탕으로 1개 이상의 위험요인을 갖는 고위험군을 대상으로 우울증에 대한 스크리닝 검사를 2년 간격으로 실시하는 것과 모든 근로자를 대상으로 직업 안정성에 대한 자가 조사가 필요하다는 것을 제안하였다.

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  • Trajectories of job insecurity and the probability of poorer mental health among prime working-age Australian women and men
    Jennifer Ervin, Anthony D LaMontagne, Yamna Taouk, Tania King
    Social Science & Medicine.2024; 349: 116902.     CrossRef
  • Association between temporary employment and current smoking and change in smoking behaviors: A prospective cohort study from South Korea (2009–2018)
    Seong-Uk Baek, Min-Seok Kim, Myeong-Hun Lim, Taeyeon Kim, Jin-Ha Yoon, Yu-Min Lee, Jong-Uk Won
    Journal of Epidemiology.2024;[Epub]     CrossRef
  • Working hours and the onset of suicidal ideation and depressive symptoms: A 10-year nationwide longitudinal study in South Korea (2012–2022)
    Seong-Uk Baek, Min-Seok Kim, Myeong-Hun Lim, Taeyeon Kim, Jong-Uk Won, Jin-Ha Yoon
    Psychiatry Research.2023; 326: 115344.     CrossRef
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Research Article
Relationship between job rotation and work-related low back pain: a cross-sectional study using data from the fifth Korean working conditions survey
Ji-Su Shin, Kwanghyun Seo, Hyun-Jeong Oh, MyeongSeob Lim, Hee-Tae Kang, Kyeong-Sook Jeong, Sang-Baek Koh, Sung-Kyung Kim, Sung-Soo Oh
Ann Occup Environ Med 2021;33:e3.   Published online January 28, 2021
DOI: https://doi.org/10.35371/aoem.2021.33.e3
AbstractAbstract PDFPubReaderePub
Background

Job rotation was introduced in various industries as a strategic form of work for improving workers' job skills and health management. This study aims to examine the relationship between job rotation and work-related low back pain (LBP), one of the typical work-related musculoskeletal symptoms of Korean workers.

Methods

We conducted this study using the data of the 5th Korean Working Conditions Survey (KWCS). As the subject of this study, 27,163 wage workers were selected, and classified into three groups according to occupational type (white-collar, service and sales, and blue-collar). In this study, job rotation means to change the work-related activities with other colleagues periodically and work-related LBP was defined as whether there was work-related LBP in the last 12 months. Chi-square test and logistic regression were used to analyze the relationship between job rotation and work-related LBP.

Results

Out of 27,163 workers, 2,421 (8.9%) answered that they had job rotation and 2,281 (8.4%) answered that they experienced work-related LBP. According to the results from logistic regression, job rotation was significantly associated with low prevalence of work-related LBP among blue-collar workers (odds ratio [OR]: 0.71, 95% confidence interval [CI]: 0.58–0.88), whereas no significant relationship was observed among white-collar, service and sales groups. In addition, the negative association between job rotation and work-related LBP among blue-collar workers was more pronounced when exposed to ergonomic risk factors (uncomfortable posture OR: 0.79, 95% CI: 0.64–0.98; heavy work OR: 0.74, 95% CI: 0.57–0.96; repetitive work OR: 0.74, 95% CI: 0.60–0.92).

Conclusions

Job rotation was associated with low prevalence of work-related LBP among workers in the blue-collar occupational group in Korea. It is necessary to evaluate the effect of job rotation by occupational type and introduce an appropriate method of job rotation to reduce workers' work-related musculoskeletal symptoms.


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  • Physical hazards, musculoskeletal pain, and job control: Multilevel results from the European Social Survey
    Duygu Gulseren
    Safety Science.2022; 156: 105901.     CrossRef
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Research Article
Combined effect of emotional labor and job insecurity on sleep disturbance among customer service workers
Sunguk Choi, Kwon Ko, Jae Bum Park, Kyung-Jong Lee, Seungho Lee, Inchul Jeong
Ann Occup Environ Med 2020;32:e33.   Published online September 10, 2020
DOI: https://doi.org/10.35371/aoem.2020.32.e33
AbstractAbstract PDFPubReaderePub
Background

Job insecurity and emotional labor are poor job-related factors that are known to cause sleep disturbances in customer service workers. This study investigates the combined effect of emotional labor and job insecurity on sleep disturbance.

Methods

This study used data from the Fifth Korean Working Condition Survey and included 15,147 paid workers who serve customers below 65 years. We re-classified into 6 groups based on whether the degree of emotional labor increased (Rarely/Sometimes/Always) or whether job insecurity (No/Yes) was present. We performed propensity score matching for several covariates and calculated odds ratio (OR) and 95% confidence intervals (CIs) for sleep disturbance by logistic regression models using only matched subjects.

Results

Workers exposed to emotional labor and job insecurity had significantly higher risk for 3 dimensions of sleep disturbance (difficulty falling asleep, waking up repeatedly during the sleep, and waking up with feeling of fatigue) (OR [95% CI]: 1.44 [1.22–1.69], 1.18 [0.99–1.40], 1.52 [1.30–1.79] for emotional labor; and 2.00 [1.75–2.29], 2.20 [1.91–2.53], 1.67 [1.45–1.92] for job insecurity). Compared to those who were exposed to both emotional labor rarely and without job insecurity, when workers had both poor job factors, the OR (95% CI) for sleep disturbance for difficulty falling asleep, waking up repeatedly during the sleep, and waking up with feeling of fatigue were 3.05 (2.42–3.86), 2.89 (2.26–3.69), and 2.60 (2.06–3.29), respectively. The relative excess risk due to Interaction of job insecurity and emotional labor was significant only for difficulty falling asleep, but not the other 2 sleep disturbance dimensions.

Conclusions

Customer service workers suffered from severe sleep disturbances according to the existing degree of emotional labor and job insecurity. The combined effect of both could have an additive influence on serious sleep disturbance among customer service workers.


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  • Associations between precarious employment and smoking and regular exercise: Results from a Korean longitudinal panel study from 2005 to 2020
    Seong-Uk Baek, Jin-Ha Yoon, Jong-Uk Won
    Preventive Medicine.2023; 168: 107420.     CrossRef
  • Association between high emotional demand at work, burnout symptoms, and sleep disturbance among Korean workers: a cross-sectional mediation analysis
    Seong-Uk Baek, Jin-Ha Yoon, Jong-Uk Won
    Scientific Reports.2023;[Epub]     CrossRef
  • Association between Precarious Employment and Smoking and Regular Exercise: Results from Nationally Representative Surveys from 2005 to 2020
    Seong-Uk Baek, Jin-Ha Yoon, Jong-Uk Won
    SSRN Electronic Journal .2022;[Epub]     CrossRef
  • Association between Workers’ Anxiety over Technological Automation and Sleep Disturbance: Results from a Nationally Representative Survey
    Seong-Uk Baek, Jin-Ha Yoon, Jong-Uk Won
    International Journal of Environmental Research and Public Health.2022; 19(16): 10051.     CrossRef
  • The Importance of an Emotional Expression Guide to Prevent Work-Related Health Problems in Emotional Laborers
    Ji Sun Ha, Jin Ah Kim
    International Journal of Environmental Research and Public Health.2021; 18(13): 6710.     CrossRef
  • What Are the Experiences of Emotional Labor and Workplace Violence that Are More Harmful to Health in Korean Workforce?
    Won Ju Hwang, Hye Kyung Yang, Ji Hye Kim
    International Journal of Environmental Research and Public Health.2020; 17(21): 8019.     CrossRef
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Research Article
Effects of job stress on symptoms of bipolar spectrum disorder in an electronic parts manufacturing company
Hyeonchoel Oh, Kihun Kim, Taewoong Ha, Jungwon Kim
Ann Occup Environ Med 2020;32:e25.   Published online July 13, 2020
DOI: https://doi.org/10.35371/aoem.2020.32.e25
AbstractAbstract PDFPubReaderePub
Background

Mental illness is known to be caused by genetic, biological, and environmental risk factors. Although previous studies have established the link between mental illness and job stress, most of them are limited to major depression disorder. Therefore, this study examined the relationship between job stress and bipolar spectrum disorder (BSD).

Methods

This is a cross-sectional study based on a survey conducted in April 2017 at an electronic parts manufacturing company in Busan. In a total of 441 workers, the degree of BSD was identified using the Korean version of the Mood Disorder Questionnaire, and the degree of job stress was identified using the Korean Occupational Stress Scale Short Form. This study also identified general characteristics of workers and job-related factors. The χ2 test and Fisher's exact test was conducted to determine the differences among the variables, based on BSD. Multiple logistic regression analysis was conducted to determine the influence of independent variables on BSD.

Results

Cross-analysis showed significant differences between the BSD high-risk and low-risk groups regarding age, sex, occupation, smoking, problem drinking, job stress total score, occupational climate, and major depression disorder symptom. In addition, the significant differences between the BSD high-risk and low-risk groups about job stress were observed in terms of job demand, job insecurity, and occupational climate. A multiple logistic regression analysis revealed that the high-risk group in the job stress group had a higher effect on BSD than the low-risk group (odds ratio [OR]: 2.32, 95% confidence interval [CI]: 1.10–4.88). Among the categories of job stress, high-risk groups in 3 areas—job demand (OR: 2.56, 95% CI: 1.27–5.17), job insecurity (OR: 4.42, 95% CI: 1.19–16.42), and occupational climate (OR: 2.55, 95% CI: 1.29–5.05)—were more likely to have an impact on BSD than the low-risk groups.

Conclusions

This study demonstrated that the high-risk groups of job stress total score, job demand, job insecurity, and occupational climate had a more significant effect on BSD than the low-risk groups. As workers with BSD may have difficulties in their work and personal lives, there is a need to manage job stress to prevention of BSD.


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  • Job retention for people with bipolar disorder: A qualitative analysis
    Elise Marion‐Paris, Emma Beetlestone, Raphaël Paris, Mouloud Bouhadfane, Antoine Villa, Marie‐Pascale Lehucher‐Michel
    Scandinavian Journal of Psychology.2023; 64(2): 171.     CrossRef
  • The clinical characterization of the adult patient with bipolar disorder aimed at personalization of management
    Roger S. McIntyre, Martin Alda, Ross J. Baldessarini, Michael Bauer, Michael Berk, Christoph U. Correll, Andrea Fagiolini, Kostas Fountoulakis, Mark A. Frye, Heinz Grunze, Lars V. Kessing, David J. Miklowitz, Gordon Parker, Robert M. Post, Alan C. Swann,
    World Psychiatry.2022; 21(3): 364.     CrossRef
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Research Article
A study of job stress, suicidal ideation and suicide attempts in display manufacturing workers: a cross-sectional study
Seung-hwan Ahn, Yong-Jin Lee, Eun-Chul Jang, Soon-Chan Kwon, Young-Sun Min, Seung-Hoon Ryu
Ann Occup Environ Med 2020;32:e16.   Published online June 2, 2020
DOI: https://doi.org/10.35371/aoem.2020.32.e16
AbstractAbstract PDFPubReaderePub
Background

This study aimed to investigate the association between job stress and suicide ideation/attempts among display manufacturing workers.

Methods

Data were collected from 836 workers in a display manufacturing company who participated in health screenings from May 22 to June 16, 2017. The data included general characteristics, night work, job tenure, previous physician-diagnosed chronic diseases, suicidal ideation/suicide attempts, and job stress. We investigated suicidal ideation/suicide attempts that covered the past year by using a self-reported questionnaire. Job stress was measured using the 43-item Korean Occupational Stress Scale. Multiple logistic regression analysis was used to investigate the association between job stress and suicidal ideation/suicide attempts. The mediator effect of depression on suicidal ideation/suicide attempts was tested using a series of logistic regression by applying Baron and Kenny's mediation method.

Results

In the model adjusting for variables (e.g., age, body mass index, smoking, alcohol consumption, regular exercise, shift work, job tenure, chronic disease and depression), physical environment (OR: 3.60, 95% CI: 1.08–12.02), lack of reward (OR: 5.31, 95% CI: 1.54–18.34), and occupation climate (OR: 7.36, 95% CI: 2.28–23.72) were correlated with suicidal ideation/suicide attempts in women. However, all subscales of job stress were not significantly correlated with suicidal ideation/suicide attempts in men. In mediation analysis, job instability and occupational climate were correlated with suicidal ideation/suicide attempts and were mediated by depression in men workers.

Conclusions

In women workers, the experiences of suicidal ideation/suicide attempts were significantly correlated with the physical environment, lack of reward, and occupational climate that were subscales of job stress. In men workers, depression rather than job stress was correlated with experiences of suicidal ideation/suicide attempts.


Citations

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  • Relationship between job stress and impaired fasting glucose in male steel industry workers: a cross-sectional study
    Hyun-Kyo Lee, Inho Lee, Jisuk Yun, Yong-Jin Lee, Eun-Chul Jang, Young-Sun Min, Soon-Chan Kwon
    Annals of Occupational and Environmental Medicine.2023;[Epub]     CrossRef
  • General work stress and suicide cognitions in health-care workers: mediating effect of hopelessness and job satisfaction
    Abdulselami Sarigül, Alican Kaya, Izaddin Ahmad Aziz, Murat Yıldırım, Halil Ibrahim Özok, Francesco Chirico, Salvatore Zaffina
    Frontiers in Public Health.2023;[Epub]     CrossRef
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    G. Belli, V. Bolcato, J. Quaiotti, D. Cassinari, L. Tarchi, L. Tronconi, S. Damiani, N. Brondino, P. Politi, M. Moretti
    Ethics, Medicine and Public Health.2022; 21: 100756.     CrossRef
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Research Article
A study on the characteristics of Maslach Burnout Inventory-General Survey (MBI-GS) of workers in one electronics company
Young Gon Choi, Byung Jin Choi, Tae Hwi Park, Jun Young Uhm, Dong Bae Lee, Seong Sil Chang, Soo Young Kim
Ann Occup Environ Med 2019;31:e29.   Published online October 15, 2019
DOI: https://doi.org/10.35371/aoem.2019.31.e29
AbstractAbstract PDFPubReaderePub
Background

This study investigated characteristics according to demographic, occupational factors of Maslach Burnout Inventory-General Survey (MBI-GS) and related scales to MBI-GS.

Methods

The subjects of the study were 3,331 workers in 3 different workplaces of one electronics company. They filled in demographic factors surveys, occupational factors surveys, MBI-GS, Korean Occupational Stress Scale-Short Form (KOSS-SF), Patient Health Questionnaire-9 (PHQ-9), and World Health Organization Quality Of Life-Abbreviated version (WHOQOL-BREF). The correlations between sub-scales of MBI-GS and KOSS-SF, PHQ-9, WHOQOL-BREF were analyzed respectively. And KOSS-SF, PHQ-9, and WHOQOL-BREF were categorized; mean scores of sub-scales of MBI-GS were compared; and the quartiles of sub-scales of MBI-GS were presented.

Results

A comparison of mean scores of MBI-GS according to demographic and occupational factors showed a significant difference according to age, problem drinking behavior, working time, and working duration in exhaustion regardless of sex. In professional efficacy, a significant difference was observed in age, marital status, working type, and working duration. And as a result of correlation analysis, the correlation coefficient between exhaustion and PHQ-9 was the highest regardless of sex. In addition, regardless of sex, exhaustion and cynicism scores tended to increase and professional efficacy score tended to decrease as the work stress level rose. Same tendency is shown in case of the more severe the symptom of depression and the lower quality of life. When the quartile for sub-scales' score of MBI-GS were investigated, the burnout was more pronounced in female than in male.

Conclusions

Many demographic and occupational factors affect burnout were identified in one electronics company, and we investigated which sub-scales of MBI-GS were affected. Through this study, burnout characteristics were identified in a few population group of Korea, and the results are expected to be useful for burnout risk group identification, counseling, etc.


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    Ernesto Rosario-Hernández, Lillian V. Rovira-Millán, César Merino-Soto, Marisol Angulo-Ramos
    Frontiers in Psychiatry.2023;[Epub]     CrossRef
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    Zhimin Xu, Xia Liu, Gabriela Lima de Melo Ghisi, Lixian Cui, Sherry L. Grace
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    Hyerin Gu, Jooyoung Lee, Yunjee Hwang, Jichul Kim, Somi Lee, Seog Ju Kim
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    Agnieszka Młynarska, Magdalena Bronder, Ewelina Kolarczyk, Stanisław Manulik, Rafał Młynarski
    International Journal of Environmental Research and Public Health.2022; 19(10): 6218.     CrossRef
  • Burnout and well-being of healthcare workers in the post-pandemic period of COVID-19: a perspective from the job demands-resources model
    Ting Zhou, Changshun Xu, Cunliang Wang, Sha Sha, Zhe Wang, You Zhou, Xinran Zhang, Die Hu, Yinqi Liu, Tengfei Tian, Sixiang Liang, Li Zhou, Qian Wang
    BMC Health Services Research.2022;[Epub]     CrossRef
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    Zhiying Wan, Mengfei Lian, Hui Ma, Zhongxiang Cai, Yunyan Xianyu
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  • Psychological Status and Job Burnout of Nurses Working in the Frontline of the Novel Coronavirus in China During the Delta Variant Outbreak: A Cross-Sectional Survey
    Jianmei Hou, Binbin Xu, Jinghui Zhang, Lingxia Luo, Xiaobei Pen, Shujie Chen, Guiyuan Ma, Zixing Hu, Xiaoya Kong
    Psychology Research and Behavior Management.2022; Volume 15: 533.     CrossRef
  • Occurrence of Professional Burnout and Severity of Depressive Symptoms among Cardiac Nurses: A Cross-Sectional Study
    Anna Larysz, Anna Prokopowicz, Michał Zakliczyński, Izabella Uchmanowicz
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  • Rationing of Nursing Care and Professional Burnout Among Nurses Working in Cardiovascular Settings
    Izabella Uchmanowicz, Grzegorz Kubielas, Bogusława Serzysko, Anna Kołcz, Piotr Gurowiec, Ewelina Kolarczyk
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    Seung-Yup Lee
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Research Article
Association between job-related stress and experience of presenteeism among Korean workers stratified on the presence of depression
Jihyun Kim, Yeong-Kwang Kim, Sung-Ho Leem, Jong-Uk Won
Ann Occup Environ Med 2019;31:e26.   Published online September 30, 2019
DOI: https://doi.org/10.35371/aoem.2019.31.e26
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Background

Presenteeism refers to the phenomenon of working while sick. Its development can be attributed to not only somatic symptoms but also underlying social agreements and workplace atmosphere. In this study, we analyzed presenteeism among workers from various industries, focusing on job-related stress with stratification on the presence of depression.

Methods

We conducted the study with data from questionnaires filled in by different enterprises enrolled in the Federation of Korean Trade Unions. Workers' depressive symptoms were investigated using the Patient Health Questionnaire-2, while questions on job-related stress and presenteeism were derived from the short form of the Korean Occupational Stress Scale and the official Korean version of the Work-Productivity and Activity Impairment Questionnaire-General Health, respectively. Multilevel logistic analysis was conducted to determine the statistical differences derived from the differences between companies.

Results

In total, 930 participants (753 men and 177 women) from 59 enterprises participated in the research. We conducted multilevel logistic regression to determine the association between the variables and presenteeism, with stratification by the presence of depression. Higher job demands and higher interpersonal conflict showed significantly elevated odds ratios (ORs) in univariate models and in the multivariate multilevel model. In the final model of total population, fully adjusted by general and work-related characteristics, higher job demands (OR: 3.29, 95% confidence interval [CI]: 2.08–5.21) and interpersonal conflict (OR: 1.87, 95% CI: 1.29–2.71) had significantly higher ORs—a tendency that remained in participants without depression.

Conclusions

This study reflected the factors associated with presenteeism among workers from various enterprises. The findings revealed that job-related stress was closely related to presenteeism in both the total population and in the population without depression. Thus, it emphasized interventions for managing job stress among workers to reduce presenteeism in general workers' population.


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    Juan Jesús García-Iglesias, Juan Gómez-Salgado, Joao Apostolo, Rogério Rodrigues, Emília Isabel Costa, Carlos Ruiz-Frutos, Santiago Martínez-Isasi, Daniel Fernández-García, Ángel Vilches-Arenas
    Frontiers in Public Health.2023;[Epub]     CrossRef
  • The Effects of Job Demand-control-support Profiles on Presenteeism: Evidence from the Sixth Korean Working Condition Survey
    Ari Min, Hye Chong Hong
    Safety and Health at Work.2023; 14(1): 85.     CrossRef
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    Kiko Shiga, Keisuke Izumi, Kazumichi Minato, Michitaka Yoshimura, Momoko Kitazawa, Sayaka Hanashiro, Kelley Cortright, Shunya Kurokawa, Yuki Momota, Mitsuhiro Sado, Takashi Maeno, Toru Takebayashi, Masaru Mimura, Taishiro Kishimoto
    Work.2022; 72(4): 1321.     CrossRef
  • Sickness Presenteeism among Employees Having Workplace Conflicts—Results from Pooled Analyses in Latvia
    Svetlana Lakiša, Linda Matisāne, Inese Gobiņa, Hans Orru, Ivars Vanadziņš
    International Journal of Environmental Research and Public Health.2022; 19(17): 10525.     CrossRef
  • Work-Related Factors Affecting the Occurrence of Presenteeism - Recent Research Trends and Future Directions
    Koji MORI, Masako NAGATA, Tomohisa NAGATA
    Journal of UOEH.2021; 43(1): 61.     CrossRef
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    Aya Wada, Yasuka Nakamura, Yoko Sumikawa Tsuno, Keiko Nagasaka, Maiko Kawajiri, Yoko Takeishi, Mikako Yoshida, Toyoko Yoshizawa
    Journal of Occupational & Environmental Medicine.2021; 63(11): e759.     CrossRef
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Research Article
Depressive symptoms among dance artists in South Korea: balance between self- and social identity on job value
Sung-Shil Lim, Jihyun Kim, Seahee Yune, Jin-Ha Yoon
Ann Occup Environ Med 2019;31:e14.   Published online July 31, 2019
DOI: https://doi.org/10.35371/aoem.2019.31.e14
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Background

The balance between self- and social identity on job value of Korean dance artists, considered as performing artists, was measured to investigate the relationship between balance and depressive symptoms.

Methods

Data of 139 dance artists were analyzed for depressive symptoms assessed by their responses to questionnaires from the Center for Epidemiologic Studies Depression (CESD) translated into Korean. The balance score of each aspect of social identity compared to that of self-identity on job value was measured and classified as lower, equal, or higher. Following a graphical approach, we performed locally weighted scatterplot smoothing algorithm, simple linear regression, and quadric equation regression.

Results

The mean of CESD was highest in the higher balance group and lowest in the lower balance group. There was a linear relationship between balance score and CESD regarding specific audience, unspecified audience, and unspecified public. Balance score showed no association with other aspects of social identity. In the balance score range of 1 or higher, it was associated with CESD with respect to artist colleague, unspecified audience, and unspecified public.

Conclusions

Dance artists should maintain a balance between self- and social identity in job value to prevent depressive symptoms.


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Case Report
A case of extensor pollicis longus (EPL) tendon rupture in an automotive assembly line worker: an ergonomic evaluation through job strain index (JSI) and musculoskeletal risk factor survey
Sunwook Park, Jungwon Kim
Ann Occup Environ Med 2019;31:e2.   Published online May 1, 2019
DOI: https://doi.org/10.35371/aoem.2019.31.e2
AbstractAbstract PDFPubReaderePub
Background

We report a case of extensor pollicis longus (EPL) tendon rupture caused by repetitive motions and awkward posture on hand and wrist joints.

Case presentation

A 47-year-old right-handed man who worked for 15 years in an assembly line at an automotive manufacturing company has been diagnosed with a complete tear of right EPL tendon. We investigated the patient's occupational history in detail and evaluated the tasks ergonomically through musculoskeletal risk factors survey and job strain index (JSI) using the 22 task-related videos recorded by the patient. Three out of the 12 tasks (25%) were identified as high-risk work on the hand and wrist in the musculoskeletal risk factors survey in 2016. Among the 22 tasks analyzed by JSI, 11 tasks (50%) were evaluated as probably hazardous. In addition, he used localized vibration tools in 19 (86.4%) out of 22 tasks.

Conclusion

We concluded the patient's disease was probably caused by repetitive motion and improper posture of the hand and wrist, and the hand-arm vibration is a possible cause as well.


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  • Erhebung der arbeitsplatzbezogenen subjektiven Belastungs- und Beanspruchungssituation von Akkord- und Fließbandarbeitern im Versandhandel
    Julia Rother, Sabine Darius, Irina Böckelmann
    Zentralblatt für Arbeitsmedizin, Arbeitsschutz und Ergonomie.2024;[Epub]     CrossRef
  • Parkinson's disease in a worker exposed to insecticides at a greenhouse
    Yangwoo Kim, Inah Kim, Jung-Min Sung, Jaechul Song
    Annals of Occupational and Environmental Medicine.2021;[Epub]     CrossRef
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    Tzu-I Chien, Huey-Wen Liang, Ya-Fen Lee, Fei-Yun Liu, Chi-Kwang Hsu, Shao-Tseng Liu, Mo Siu-Mei Lee, Pin-Fei Wei, Silvia Todros
    BioMed Research International.2021; 2021: 1.     CrossRef
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Research Article
Second hand smoke exposure in workplace by job status and occupations
Hyunhee Park, Sung-il Cho, Changhun Lee
Ann Occup Environ Med 2019;31:3.   Published online January 28, 2019
DOI: https://doi.org/10.1186/s40557-019-0282-z
AbstractAbstract PDFPubReaderePub
Background

The objective of this study is to evaluate the risk of exposure to second hand smoke (SHS) during working hours by job status and occupation.

Methods

Using the 4th Korean Working Conditions Survey (KWCS), 49,674 respondents who answered the question about SHS were studied. A chi-square test was carried out to determine whether there is a significant different in SHS exposure frequency by general and occupational characteristics and experience of discrimination at work and logistic regression analysis was carried out to identify the risk level of SHS exposure by variables.

Results

In this study, we found that male workers in their 40s and 50s, workers employed in workplaces with fewer than 50 employees, daily workers, and people working outdoors had a higher rate of exposure to SHS than the others. The top five occupations with the highest SHS exposure were construction and mining-related occupations, metal core-makers-related trade occupations, wood and furniture, musical instrument, and signboard-related trade occupations, transport and machine-related trade occupations, transport and leisure services occupations. The least five exposed occupations were public and enterprise senior officers, legal and administrative professions, education professionals, and health, social welfare, and religion-related occupations.

Conclusion

Tobacco smoke is a significant occupational hazard. Smoking ban policy in the workplace can be a very effective way to reduce the SHS exposure rate in the workplace and can be more effective if specifically designed by the job status and various occupations.


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  • A Comparison of Measured Airborne and Self-Reported Secondhand Smoke Exposure in the MADRES Pregnancy Cohort Study
    Karl O’Sharkey, Yan Xu, Jane Cabison, Marisela Rosales, Thomas Chavez, Mark Johnson, Tingyu Yang, Seung-Hyun Cho, Ryan Chartier, Deborah Lerner, Nathana Lurvey, Claudia M Toledo Corral, Myles Cockburn, Meredith Franklin, Shohreh F Farzan, Theresa M Bastai
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    Seong-Uk Baek, Min-Seok Kim, Myeong-Hun Lim, Taeyeon Kim, Jin-Ha Yoon, Yu-Min Lee, Jong-Uk Won
    Journal of Epidemiology.2024;[Epub]     CrossRef
  • A Comparison of Measured Airborne and Self-Reported Secondhand Smoke Exposure in the Madres Pregnancy Cohort Study
    Karl O'Sharkey, Yan Xu, Jane Cabison, Marisela Rosales, Thomas Chavez, Mark Johnson, Tingyu Yang, Seung-Hyun Cho, Ryan Chartier, Claudia M. Toledo Corral, Myles Cockburn, Meredith Franklin, Shohreh F. Farzan, Theresa Bastain, Carrie V. Breton, Rima H
    SSRN Electronic Journal .2022;[Epub]     CrossRef
  • Exposure to Secondhand Smoke: Inconsistency between Self-Response and Urine Cotinine Biomarker Based on Korean National Data during 2009–2018
    Boram Sim, Myung-Bae Park
    International Journal of Environmental Research and Public Health.2021; 18(17): 9284.     CrossRef
  • Self-reported secondhand smoke exposure following the adoption of a national smoke-free policy in Poland: analysis of serial, cross-sectional, representative surveys, 2009–2019
    Mateusz Jankowski, Vaughan Rees, Wojciech Stefan Zgliczyński, Dorota Kaleta, Mariusz Gujski, Jarosław Pinkas
    BMJ Open.2020; 10(9): e039918.     CrossRef
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Research Article
Relationship between job stress and functional dyspepsia in display manufacturing sector workers: a cross-sectional study
Younghyeon Nam, Soon-Chan Kwon, Yong-Jin Lee, Eun-Chul Jang, Seung-hwan Ahn
Ann Occup Environ Med 2018;30:62.   Published online October 19, 2018
DOI: https://doi.org/10.1186/s40557-018-0274-4
AbstractAbstract PDFPubReaderePub
Background

Job stress has been reported as a risk factor of psychological changes, which have been shown to be related to gastrointestinal diseases and symptoms such as functional dyspepsia. However, few studies have assessed the relationship between job stress and functional dyspepsia. Therefore, we investigated the relationship between job stress and functional dyspepsia in South Korea.

Methods

This study was conducted between May 23 and July 6, 2016 and included 901 workers in the display manufacturing sector. Subjects completed self-reported questionnaires, regarding Korean Occupational Stress Scale (KOSS), functional dyspepsia, Insomnia Severity Index-K, and health-related behaviors and job characteristics. Subjects were divided into functional dyspepsia-positive and -negative groups based on the Rome III criteria. The KOSS high-risk group was defined as subjects with KOSS score above the 75 percentile of KOSS reference value. Multiple logistic regression analysis was performed to investigate the association between job stress and functional dyspepsia.

Results

In women, the risk of functional dyspepsia was significantly higher in the high-risk groups of the following KOSS subcategories in unadjusted model: job demand (OR 3.282, 95% CI 1.181–9.126), and occupational climate (OR 2.665, 95% CI 1.041–6.823). Even in adjusted model, the risk was significantly higher in the high-risk groups of the following KOSS subcategories: job demand (OR 3.123, 95% CI 1.036–9.416) and occupational climate (OR 3.304, 95% CI 1.198–9.115). In men, the risk of functional dyspepsia was not significant in all KOSS subcategories.

Conclusions

This study showed that job demand and occupational climates were associated with functional dyspepsia in female display manufacturing sector workers. Therefore, both clinical and mental health approaches should be used in the management of functional dyspepsia in women.


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    Tayebeh Jamshidbeigi, Amir Adibi, Farhad Mohammadi, Mahtab Bonyadi, Elham Shafiei
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    Pablo Roman, Isabel Perez-Cayuela, Esther Gil-Hernández, Miguel Rodriguez-Arrastia, Adrian Aparicio-Mota, Carmen Ropero-Padilla, Lola Rueda-Ruzafa
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    Hyun-Kyo Lee, Inho Lee, Jisuk Yun, Yong-Jin Lee, Eun-Chul Jang, Young-Sun Min, Soon-Chan Kwon
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    Di An
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    Russian Journal of Gastroenterology, Hepatology, Coloproctology.2022; 32(2): 85.     CrossRef
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    International Journal of Environmental Research and Public Health.2022; 19(21): 14593.     CrossRef
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    Sabrina Xin Zi Quek, Evelyn Xiu Ling Loo, Alla Demutska, Chun En Chua, Guan Sen Kew, Scott Wong, Hui Xing Lau, En Xian Sarah Low, Tze Liang Loh, Ooi Shien Lung, Emily C W Hung, M. Masudur Rahman, Uday C Ghoshal, Sunny H Wong, Cynthia K Y Cheung, Ari F Sya
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Research Article
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
Ann Occup Environ Med 2018;30:54.   Published online August 29, 2018
DOI: https://doi.org/10.1186/s40557-018-0266-4
AbstractAbstract PDFPubReaderePub
Background

Since the 1980s, restructuring, which includes downsizing, closures, mergers, and privatization, has expanded worldwide, and various studies have investigated its effect on health. However, previous studies have mainly focused on restructuring accompanied by massive lay-offs, and the effect of a merger on workers’ health is still controversial. This study aims to investigate changes in worker depression and job stress after a merger without downsizing, which is unusual in Korea.

Methods

Repeated surveys were done in April 2014, April 2015, and April 2016 involving the participation of 209 subjects. Participants were divided into two groups, which were comprised of blue-collar workers (104) and white-collar workers (105). Sociodemographic characteristics, including age, education level, job tenure, gender, marital status, smoking status, and alcohol consumption, were measured via a survey. To determine the level of depression, the Korean version of the Center for Epidemiologic Studies Depression Scale (CES-D) was employed, and to investigate job stress, the Korean Occupational Stress Scale-Short Form (KOSS-SF) was used. For statistical analyses, Pearson’s chi-square test, the Student’s t-test, and repeated measure analysis of variance (ANOVA) were performed.

Results

The results showed that depression (CES-D, F[2, 400] = 0.466, p = 0.628) was changed but without significance and job stress (KOSS-SF, F[1.899, 379.831] = 3.192, p = 0.045) were significantly different. The between-group difference in the CES-D score between the blue- and white-collar workers by survey administration time was not statistically significant (F = 0.316, p = 0.574). The interaction between the survey time and occupational group was also not statistically significant (F = 0.967, p = 0.381). The between-group difference in the KOSS-SF total score was not statistically significant (F = 1.132, p = 0.289), and the interaction between the survey administration time and occupational group was also not significant (F = 0.817, p = 0.437). In the job stress subgroup analyses Job insecurity and Lack of reward showed a significant difference by survey administration time.

Conclusion

This study showed that a merger without massive downsizing can cause negative health effects such as an changes in depression and increase in job stress. To improve the health of workers, both the immediate negative effects on health, and the long-term effects or their resolution over time should be considered prior to the merger.


Citations

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  • A Review of Psychological Stress among Students and Its Assessment Using Salivary Biomarkers
    Bruno Špiljak, Maja Vilibić, Ana Glavina, Marija Crnković, Ana Šešerko, Liborija Lugović-Mihić
    Behavioral Sciences.2022; 12(10): 400.     CrossRef
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Research Article
Working hours and depressive symptoms: the role of job stress factors
Yeogyeong Yoon, Jia Ryu, Hyunjoo Kim, Chung won Kang, Kyunghee Jung-Choi
Ann Occup Environ Med 2018;30:46.   Published online July 13, 2018
DOI: https://doi.org/10.1186/s40557-018-0257-5
AbstractAbstract PDFPubReaderePub
Background

South Korea is one of the countries with the longest working hours in the OECD countries. The aim of this study was to evaluate the effect of working hours on depressive symptoms and the role of job stress factors between the two variables among employees in South Korea.

Methods

This study used data from the Korea Working Conditions Survey in 2014. Study subjects included 23,197 employees aged 19 years or older who work more than 35 h per week. Working hours were categorized into 35–39, 40, 41–52, 53–68, and more than 68 h per week. Depressive symptoms were assessed using the WHO’s Well-Being Index with a cut-off score of 13. We calculated prevalence ratios of depressive symptoms according to working hours using log-binomial regression. Through the percentage change in prevalence ratios, we identified the extent of the role of job stress factors that explain depressive symptoms.

Results

The risks of depressive symptoms were significantly higher in people who worked 35–39 h per week (PR: 1.09, CI: 1.01–1.18), 53–68 h/week (PR: 1.21, CI: 1.16–1.25), and more than 68 h/week (PR: 1.14, CI: 1.07–1.21) than 40 h/week, after adjusting for confounding variables. Job stress explained the effects of long working hours on depressive symptoms in about 20–40% of the groups working more than 40 h/week. Among the factors of job stress, social support was 10–30%, which showed the highest explanatory power in all working hours. Reward explained 15–30% in the more than 52 h working group, and reward was the most important factor in the working group that exceeded 68 h.

Conclusions

We showed the working hours could be an independent risk factor for depressive symptoms in employees. To improve workers’ mental health, it is important to strengthen social support in the workplace, to provide adequate rewards as they work, and ultimately to regulate the appropriate amount of working hours.


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Research Article
Association between organizational justice and depressive symptoms among securities company workers
HyunSuk Lee, KangHyun Um, YoungSu Ju, Sukkoun Lee, Min Choi, Domyung Paek, Seong-Sik Cho
Ann Occup Environ Med 2019;31:e7.   Published online June 5, 2018
DOI: https://doi.org/10.35371/aoem.2019.31.e7
AbstractAbstract PDFPubReaderePub
Background

The organizational justice model can evaluate job stressor from decision-making process, attitude of managerial or senior staff toward their junior workers, and unfair resource distribution. Stress from organizational injustice could be harmful to workers' mental health. The purpose of this study is to explore the association between organizational justice and depressive symptoms in a securities company.

Methods

To estimate organizational justice, a translated Moorman's organizational justice evaluation questionnaire (Korean) was employed. Cronbach's α coefficient was estimated to assess the internal consistency of the translated questionnaire. To assess depressive symptoms, the Center for Epidemiologic Studies Depression (CES-D) scale was used. The link between the sub-concepts of the organizational justice model and depressive symptoms was assessed utilizing multiple logistic regression models.

Results

The risk of depressive symptoms was significantly higher among workers with higher levels of all subcategory of organizational injustice. In the full adjusted model odds ratio (OR) of higher level of procedural injustice 2.79 (95% confidence interval [CI], 1.58–4.90), OR of the higher level of relational injustice 4.25 (95% CI, 2.66–6.78), OR of higher level of distributional injustice 4.53 (95% CI, 2.63–7.83) respectively. Cronbach's α coefficient of the Korean version was 0.93 for procedural justice, 0.93 for relational justice, and 0.95 for distributive justice.

Conclusions

A higher level of organizational injustice was linked to higher prevalence of depressive symptoms among workers in a company of financial industry.


Citations

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  • Organizational Justice and Health: Reviewing Two Decades of Studies
    Laura Cachón-Alonso, Marko Elovainio, Richard Crisp
    Journal of Theoretical Social Psychology.2022; 2022: 1.     CrossRef
  • Effects of procedural justice on prospective antidepressant medication prescription: a longitudinal study on Swedish workers
    Viktor Persson, Constanze Eib, Claudia Bernhard-Oettel, Constanze Leineweber
    BMC Public Health.2020;[Epub]     CrossRef
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Research Article
The association between Korean employed workers’ on-call work and health problems, injuries
Chulin Baek, Jae Bum Park, Kyungjong Lee, Jaehyuk Jung
Ann Occup Environ Med 2018;30:19.   Published online March 20, 2018
DOI: https://doi.org/10.1186/s40557-018-0225-0
AbstractAbstract PDFPubReaderePub
Background

On-call work is a form of work that requires the person to work at any time during the on-call period. Thus, on-call work is often regarded as one of the most severe stress factors. This study investigates the associations between on-call work and health problems, injuries.

Methods

This study was based on the 3rd Korean Working Conditions Survey. Total of 29,246 employed workers who had been working for at least 1 year were included. Logistic regression analysis was performed to investigate the association between on-call work and health problems, injuries.

Results

The odds ratios for on-call workers in terms of physical health problems, psychological health problems, and injuries were 1.33 (95% confidence interval [CI] 1.22-1.44), 1.31 (95% CI 1.08-1.60), and 2.76 (95% CI 2.26-3.37), respectively. Analysis of the detailed symptoms revealed odds ratios in on-call workers of 2.06 for hearing problems (95% CI 1.63-2.62); 1.71 for skin problems (95% CI 1.38-2.12); 1.22 for back pain (95% CI 1.08-1.38); 1.23 for muscular pains in upper limbs (95% CI 1.12-1.34); 1.27 for muscular pains in lower limbs (95% CI 1.15-1.40); 1.46 for headache, eye fatigue (95% CI 1.32-1.60); 1.37 for abdominal pain (95% CI 1.02-1.85); 1.43 for depression or anxiety disorders (95% CI 1.07-1.93); 1.36 for fatigue (95% CI 1.24-1.49); and 1.41 for insomnia and general sleep difficulties (95% CI 1.13-1.76).

Conclusions

The present study found that on-call work results in an increased risk of health problems and injuries. This study is the result of analyses of broad range of the job spectrum in Korean employed workers; thus, future studies are necessary to determine the effects of on-call work in various job groups.


Citations

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  • On-call work and depressive mood: A cross-sectional survey among rural migrant workers in China
    Qingqing Xu, Liyun Wang, Yiwen Zhang, Xia Jiang
    Frontiers in Psychology.2023;[Epub]     CrossRef
  • Changes in the Health Indicators of Hospital Medical Residents During the Four-Year Training Period in Korea
    Ji-Sung Ahn, Seunghyeon Cho, Won-Ju Park
    Journal of Korean Medical Science.2022;[Epub]     CrossRef
  • Prevalence and risk factors associated with poor sleep among firefighters in Taiwan: An observational study
    Cheng-Yao Lin, Shih-Bin Su, Ya-Ting Hu, Cheau-Jane Peng, Kou-Huang Chen, Kow-Tong Chen
    Medicine.2022; 101(44): e31570.     CrossRef
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Research Article
Association between supervisors’ behavior and wage workers’ job stress in Korea: analysis of the fourth Korean working conditions survey
Shin Uk Kang, Byeong Jin Ye, ByoungGwon Kim, Jung Il Kim, Jung Woo Kim
Ann Occup Environ Med 2017;29:43.   Published online October 11, 2017
DOI: https://doi.org/10.1186/s40557-017-0199-3
AbstractAbstract PDFPubReaderePub
Background

In modern society, many workers are stressed. Supervisors’ support or behavior can affect the emotional or psychological part of the worker. The purpose of this study is to investigate the effect of supervisor’s behavior on worker’s stress.

Methods

The study included 19,272 subjects following the assignment of weighted values to workers other than soldiers using data from the Fourth Korean Working Condition Survey. Supervisors’ behavior was measured using 5 items: “supervisor feedback regarding work,” “respectful attitude,” “good conflict-resolution ability,” “good work-related planning and organizational ability,” and the encouragement of participation in important decision making. Job stress was measured using 1 item: “I experience stress at work.” Multiple logistic regression analysis was performed to examine the effects of supervisors’ behavioral, general, occupational, and psychosocial characteristics on job stress in workers. Organizational characteristics associated with supervisors’ behavior were also analyzed.

Results

The results showed that supervisors’ provision of feedback regarding work increased workers’ job stress (OR = 1.329, 95% CI = 1.203 ~ 1.468). When a supervisor respect workers (OR = 0.812, 95% CI = 0.722 ~ 0.913) or good at planning and organizing works (OR = 0.816, 95% CI: 0.732 ~ 0.910), workers’ job stress decreased. In particular, the two types of supervisor behaviors, other than feedback regarding work, were high in private-sector organizations employing less than 300 employees.

Conclusion

Supervisors’ behavior influenced job stress levels in workers. Therefore, it is necessary to increase education regarding the effects of supervisors’ behavior on job stress, which should initially be provided in private-sector organizations with up to 300 employees.


Citations

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  • Job security in the apparel industry in Sri Lanka
    Wasantha Rajapakshe, T.G.S.D. Chandrasiri
    Work Organisation, Labour & Globalisation.2023;[Epub]     CrossRef
  • Association between night work and dyslipidemia in South Korean men and women: a cross-sectional study
    Jae Hong Joo, Doo Woong Lee, Dong-Woo Choi, Eun-Cheol Park
    Lipids in Health and Disease.2019;[Epub]     CrossRef
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Research Article
Comparison of facet joint degeneration in firefighters and hospital office workers
Dong Hyun Kim, Yon Soo An, Hyung Doo Kim, Kyoung Sook Jeong, Yeon-Soon Ahn, Kun-Hyung Kim, Youngki Kim, Han-Soo Song, Chul-Gab Lee, Young-Jun Kwon, Jin-Ha Yoon
Ann Occup Environ Med 2017;29:24.   Published online June 24, 2017
DOI: https://doi.org/10.1186/s40557-017-0180-1
AbstractAbstract PDFPubReaderePub
Background

There are few published studies on the relationship between occupational lumbar load and facet joint degeneration (FJD). This cross-sectional study was conducted to evaluate the effect of physical lumbar load on FJD by comparing magnetic resonance imaging (MRI) findings of firefighters (FFs) and hospital office workers (HOWs).

Methods

We randomly sampled 341 male FFs and 80 male HOWs by age stratification. A questionnaire and clinical examination, including MRI of the lumbar spine (T12-S1), were conducted. FJD was diagnosed and graded by using the classification of Pathria et al., and reclassified into two groups as follows: no FJD (grade 0) and FJD (grades 1, 2, and 3). The prevalence of FJD was analyzed according to occupational group.

Results

The prevalence of FJD ranged from 31% (L1–L2) to 75% (L4–L5) in the FFs, and from 18% (L1–L2) to 69% (L4–L5) in the HOWs. After adjustment for age, body mass index, and frequency of physical exercise, the adjusted odds ratios (OR) for FJD in the FFs were significantly higher than those in the HOWs at all lumbar spinal levels, except for L3–L4 (L1–L2: OR, 2.644; 95% confidence interval [CI], 1.317–5.310; L2–L3: OR, 2.285; 95% CI, 1.304–4.006; L4–L5: OR, 1.918; 95% CI, 1.037–3.544; L5–S1: OR, 1.811; 95% CI, 1.031–3.181).

Conclusion

This study shows that FFs exhibit a greater likelihood of having FJD than HOWs after controlling for other risk factors of FJD. This suggests that the physical occupational demands of FFs affect their risk of developing FJD.


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  • Non-cancer health risks in firefighters: a systematic review
    Jeong Ah Kim, Soo Yeon Song, Wonjeong Jeong, Jae Kwan Jun
    Epidemiology and Health.2022; 44: e2022109.     CrossRef
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    Hamish Osborne, Peter Burt
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  • An overview of compensated work-related injuries among Korean firefighters from 2010 to 2015
    Hyung Doo Kim, Yon Soo An, Dong Hyun Kim, Kyung Sook Jeong, Yeon Soon Ahn
    Annals of Occupational and Environmental Medicine.2018;[Epub]     CrossRef
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Research Article
Validation of general job satisfaction in the Korean Labor and Income Panel Study
Shin Goo Park, Sang Hee Hwang
Ann Occup Environ Med 2017;29:10.   Published online April 5, 2017
DOI: https://doi.org/10.1186/s40557-017-0167-y
AbstractAbstract PDFPubReaderePub
Background

The purpose of this study is to assess the validity and reliability of general job satisfaction (JS) in the Korean Labor and Income Panel Study (KLIPS).

Methods

We used the data from the 17th wave (2014) of the nationwide KLIPS, which selected a representative panel sample of Korean households and individuals aged 15 or older residing in urban areas. We included in this study 7679 employed subjects (4529 males and 3150 females). The general JS instrument consisted of five items rated on a scale from 1 (strongly disagree) to 5 (strongly agree). The general JS reliability was assessed using the corrected item-total correlation and Cronbach’s alpha coefficient. The validity of general JS was assessed using confirmatory factor analysis (CFA) and Pearson’s correlation.

Results

The corrected item-total correlations ranged from 0.736 to 0.837. Therefore, no items were removed. Cronbach’s alpha for general JS was 0.925, indicating excellent internal consistency. The CFA of the general JS model showed a good fit. Pearson’s correlation coefficients for convergent validity showed moderate or strong correlations.

Conclusion

The results obtained in our study confirm the validity and reliability of general JS.


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  • Association between job satisfaction and current smoking and change in smoking behavior: a 16‐year longitudinal study in South Korea
    Seong‐Uk Baek, Won‐Tae Lee, Min‐Seok Kim, Myeong‐Hun Lim, Jin‐Ha Yoon, Jong‐Uk Won
    Addiction.2023; 118(11): 2118.     CrossRef
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Research Article
Self-resilience as a protective factor against development of post-traumatic stress disorder symptoms in police officers
Jong-Ku Lee, Hyeon-Gyeong Choi, Jae-Yeop Kim, Juhyun Nam, Hee-Tae Kang, Sang-Baek Koh, Sung-Soo Oh
Ann Occup Environ Med 2016;28:58.   Published online October 17, 2016
DOI: https://doi.org/10.1186/s40557-016-0145-9
AbstractAbstract PDFPubReaderePub
Background

This study was conducted to check whether self-resilience, one of the characteristics known to affect the occurrence of post-traumatic stress disorder (PTSD) symptoms after experiencing traumatic events, could serve as a protective factor for police officers whose occupational factors are corrected.

Methods

We conducted a cross-sectional study in which 112 male police officers in Gangwon Province participated. They visited the Wonju Severance Christian Hospital Occupational Environment Center for medical check-ups from June to December 2015. Their general characteristics were identified using structured questionnaires, and they were asked to fill in the Korean Occupational Stress Scale-Short Form (KOSS-SF). Further, the Center for Epidemiologic Studies-Depression Scale (CES-D), Connor–Davidson Resilience Scale-Korean (CD-RI-K), and Impact of Event Scale-Revised-Korean version (IES-R-K) were used to evaluate their job stress, depression, self-resilience, and PTSD symptoms. Logistic regression analysis was conducted to correct their personal, occupational, and psychological factors to analyze the relationship between self-resilience and PTSD symptoms.

Results

Among 112 respondents who experienced a traumatic event, those with low self-resilience had significantly higher rate of PTSD symptoms than those with high self-resilience even after correcting for the covariate of general, occupational, and psychological characteristics (odds ratio [OR] 3.51; 95 % CI: 1.06–19.23).

Conclusions

Despite several limitations, these results suggest that a high degree of self-resilience may protect police officers from critical incident-related PTSD symptoms.


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    Milla Arabadjian, Zoe T. Duberstein, Sarah H. Sperber, Kiranjot Kaur, Jolaade Kalinowski, Yuhe Xia, Anaïs Hausvater, Olivia O'Hare, Nathaniel R. Smilowitz, Victoria Vaughan Dickson, Hua Zhong, Jeffrey S. Berger, Judith S. Hochman, Harmony R. Reynolds, Tan
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    Mustafa Enes Işıkgöz, Turan Sezan, Abdullah Yüksel
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    Kento Yasuhara, Kristina Morreale, Dijonee Talley, Danielle T. Cooper, Michelle Hoy‐Watkins, Kendell L. Coker
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    Vanessa Ferreira Monteiro, Simone Souza da Costa Silva
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Research Article
Comparison of anxiety and depression status between office and manufacturing job employees in a large manufacturing company: a cross sectional study
WonYang Kang, Won-Ju Park, Keun-Ho Jang, Hyeong-Min Lim, Ji-Sung Ann, Seung-hyeon Cho, Jai-Dong Moon
Ann Occup Environ Med 2016;28:47.   Published online September 15, 2016
DOI: https://doi.org/10.1186/s40557-016-0134-z
AbstractAbstract PDFPubReaderePub
Background

The aim of this study was to investigate whether type of work is associated with anxiety and depression using the Hospital Anxiety and Depression Scale (HADS). Additionally, we investigated the impact of number of working hours on anxiety and depression.

Methods

A total of 1774 workers participated and completed the HADS to determine their levels of anxiety and depression. All subjects were employed at one of two manufacturing plants for the same company. Of all participants, 222 were employed in office jobs and 1552 in manufacturing jobs.

Results

Results of multivariate logistic regression analysis including age, sex, body mass index, smoking status, alcohol consumption, regular exercise, factory region, and working hours, indicated that employment in an office job was associated with a 2.17-fold increase in the odds of anxiety compared to a manufacturing job (odds ratio [OR] = 2.17; 95 % confidence interval [CI], 1.24–3.80). Office jobs were also associated with a 1.94-fold increase in the odds of depression (OR = 1.94; 95 % CI, 1.34–2.82). In addition, number of hours worked was significantly associated with depression, and working hours significantly modified the effect of office job employment on the risk of depression.

Conclusions

Office job workers had higher levels of anxiety and depression than those working in manufacturing jobs. Our findings suggest that occupational physicians should consider the organizational risks faced by office job employees, and consider the differences in psychological health between office and manufacturing job workers when implementing interventions.


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Research Article
The association of relational and organizational job stress factors with sleep disorder: analysis of the 3rd Korean working conditions survey (2011)
Gyuree Kim, Bokki Min, Jaeyoup Jung, Domyung Paek, Sung-il Cho
Ann Occup Environ Med 2016;28:46.   Published online September 13, 2016
DOI: https://doi.org/10.1186/s40557-016-0131-2
AbstractAbstract PDFPubReaderePub
Background

Sleep disorder is a disease that causes reduction in quality of life and work efficiency of workers. This study was performed to investigate the relationship between job-related stress factor and sleep disorder among wageworkers in Korea.

Methods

This study was based on analysis of the 3rd Korean working conditions survey. We analyzed 35,902 workers whose employment status is wageworker. We classified the job-related stress factor into 12 sections. Logistic regression was performed to estimate the relationship between job-related stress factor and sleep disorder and Odds ratio and 95 % CI were calculated using the SPSS version 23.0 program.

Results

Many categories of Job-related stress factor were correlated with sleep disorder (8 of 12 for women, 10 of 12 for men). The results of the regression analysis, corrected for general and occupational characteristics, indicated that sleep disorder was significantly correlated with the following categories of job-related stress: discrimination experience (OR 3.37, 95 % CI = 2.49 ~ 4.56 in women, OR 1.96, 95 % CI = 1.53 ~ 2.51 in men), direct customer confrontation (OR 2.72, 95 % CI = 1.91 ~ 3.86 in women, OR 1.99, 95 % CI = 1.45 ~ 2.72 in men), emotional stress (OR 2.01, 95 % CI = 1.30 ~ 3.09 in men), work dissatisfaction (detailed) (OR 1.99, 95 % CI = 1.36 ~ 2.93 in men), work dissatisfaction (overall) (OR 2.30, 95 % CI = 1.66 ~ 3.20 in women, OR 2.40, 95 % CI = 1.88 ~ 3.08 in men), expression of opinion difficulty (OR 0.66, 95 % CI = 0.48 ~ 0.92 in women, OR 0.57, 95 % CI = 0.45 ~ 0.73 in men).

Conclusion

A number of studies have reported that stress affects sleep disorder. In this study, many factors suspected to increase the risk of sleep disorder were added to previously known job stress factors. In particular, this study found a strong correlation between work-associated sleep disorder and relational and organizational job stress factors. Sleep disorder may lead to large decreases in workers’ quality of life and work efficiency. Awareness and interventions are therefore required to reduce workplace stress; additional research of this topic is also required.

Electronic supplementary material

The online version of this article (doi:10.1186/s40557-016-0131-2) contains supplementary material, which is available to authorized users.


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Research Article
The association between Korean workers’ presenteeism and psychosocial factors within workplaces
Yun-Sik Cho, Jae Bum Park, Kyung-Jong Lee, Kyoung-Bok Min, Chul-In Baek
Ann Occup Environ Med 2016;28:41.   Published online September 7, 2016
DOI: https://doi.org/10.1186/s40557-016-0124-1
AbstractAbstract PDFPubReaderePub
Background

Presenteeism, a concept that has recently undergone active study, is the act of attending work while sick. This study investigates the association between presenteeism and various psychosocial factors within workplaces.

Methods

This study analyzed 29246 wage earners from the third Korean Working Conditions Survey (KWCS, 2011) data using the logistic regression analysis to investigate the association between presenteeism and various psychosocial factors within workplaces.

Results

Among the 29246 wage earners, 6347 (21.7 %) showed presenteeism. Those who experienced age discrimination at work (adjusted odds ratio (aOR) 1.77: 95 % CI 1.56–2.00), educational background discrimination (aOR 1.35: 95 % CI 1.22–1.51), regional discrimination (aOR 1.55: 95 % CI 1.31–1.83), sexual discrimination (aOR 1.65: 95 % CI 1.41–1.94), employment type discrimination (aOR 2.13: 95 % CI 1.89–2.40), physical violence (aOR 1.92: 95 % CI 1.45–2.55), sexual harassment (aOR 2.90: 95 % CI 2.01–4.19), job insecurity (aOR 1.36: 95 % CI 1.18–1.56), work–life imbalance (aOR 1.38: 95 % CI 1.29–1.47), low job satisfaction (aOR 2.04: 95 % CI 1.91–2.17), no colleague support (aOR 1.11: 95 % CI 1.02–1.21), job stress (aOR 1.89: 95 % CI 1.76–2.02), emotional labor (aOR 1.50: 95 % CI 1.41–1.60), high work intensity (aOR 1.31: 95 % CI 1.23–1.38), and 3 groups of job strain that are passive group (aOR 1.09: 95 % CI 1.00–1.18), active group (aOR 1.39: 95 % CI 1.28–1.51), and high strain group (aOR 1.35: 95 % CI 1.24–1.46) showed an increased risk of presenteeism compared to their respective counterparts (p < 0.01).

Conclusions

The study results confirmed the association between presenteeism and various psychosocial factors within workplaces. Considering that presenteeism negatively affects productivity and the mental and physical health of individuals, managing various psychosocial factors within workplaces is proposed to reduce presenteeism.


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    Aline Silva-Costa, Pollyana C. S. Ferreira, Rosane H. Griep, Lucia Rotenberg
    International Journal of Environmental Research and Public Health.2020; 17(18): 6758.     CrossRef
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    Daniela Lohaus, Florian Röser
    BMJ Open.2019; 9(7): e026885.     CrossRef
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    Daniela Lohaus, Wolfgang Habermann
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    Kyusung Kim, Sung-il Cho, Domyung Paek
    Annals of Occupational and Environmental Medicine.2019;[Epub]     CrossRef
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    American Journal of Industrial Medicine.2019; 62(7): 580.     CrossRef
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    Yasuaki Saijo, Eiji Yoshioka, Yoshihiko Nakagi, Yasuyuki Kawanishi, Sharon J. B. Hanley, Takahiko Yoshida
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Research Article
A study on the relationship between job stress and nicotine dependence in Korean workers
Seung Rak Son, Byeong Moo Choe, Seong Hwan Kim, Young Seoub Hong, Byoung Gwon Kim
Ann Occup Environ Med 2016;28:27.   Published online June 10, 2016
DOI: https://doi.org/10.1186/s40557-016-0113-4
AbstractAbstract PDFPubReaderePub
Background

Nicotine dependence and its severity are often determined by individuals’ psychosocial factors.This study purposed to analyze how Korean workers’ job stress is related with their nicotine dependence according to demographic and occupational characteristics in order to reduce smoking related to job stress and to establish objective indicators to be used in developing adequate smoking cessation strategies.

Methods

The subjects of this study were 4,639 workers who replied to the questionnaire survey. In addition, 1,948 current smokers were separated from non-smokers and ex-smokers, and the relationship between job stress and nicotine dependence was analyzed with the current smoker group. Nicotine dependence was tested using Fagerström’s Test of Nicotine Dependence, and stress was measured using a questionnaire on subjective stress felt by workers in their daily life and the short form of the Korean Occupational Stress Scale.

Results

The smoking rate was 54.1 % among men and 2.5 % among women. Nicotine dependence was significantly different according to interpersonal conflict, organization system and lack of reward (p < 0.05). As multivariate logistic analysis, job control, occupational climate and total stress score were statistical significant (p < 0.05).

Conclusions

Job stress was found to be related with smoking status and nicotine dependence. Based on this result, it is suggested to enhance workers’ welfare for health promotion in workplace by improving their working environment in order to reduce job stress and consequently to decrease the smoking rate.


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  • Correlates of Smoking, Work Stress, and Mindful Awareness among Private Hospital Workers in Istanbul
    Nazlı Zeynep Uslu, Irem Karaman, Asli Oral, Sebahat Dilek Torun, Merih Kalamanoglu Balci
    Substance Use & Misuse.2024; 59(5): 743.     CrossRef
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    Seong‐Uk Baek, Won‐Tae Lee, Min‐Seok Kim, Myeong‐Hun Lim, Jin‐Ha Yoon, Jong‐Uk Won
    Addiction.2023; 118(11): 2118.     CrossRef
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    Bin Zhao, Jing Li, Luqi Zhang, Jie Liu, Di Feng, Xiaoran Hao, Yun Li, Xian Li, Junqin Ding, Laiyou Li, Lanfeng Li, Xiaohua Yin, Wei Cui
    International Journal of Nursing Practice.2023;[Epub]     CrossRef
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    International Journal of Environmental Research and Public Health.2022; 19(22): 15220.     CrossRef
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    S. Sushanthi, Srisakthi Doraikannan, Meignana Arumugham Indiran
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    Annals of Occupational and Environmental Medicine.2019;[Epub]     CrossRef
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Review
Review of carcinogenicity of asbestos and proposal of approval standards of an occupational cancer caused by asbestos in Korea
Sanghyuk Im, Kan-woo Youn, Donghee Shin, Myeoung-jun Lee, Sang-Jun Choi
Ann Occup Environ Med 2015;27:34.   Published online December 30, 2015
DOI: https://doi.org/10.1186/s40557-015-0080-1
AbstractAbstract PDFPubReaderePub

Carcinogenicity of asbestos has been well established for decades and it has similar approval standards in most advanced countries based on a number of studies and international meetings. However, Korea has been lagging behind such international standards. In this study, we proposed the approval standards of an occupational cancer due to asbestos through intensive review on the Helsinki Criteria, post-Helsinki studies, job exposure matrix (JEM) based on the analysis of domestic reports and recognized occupational lung cancer cases in Korea. The main contents of proposed approval standards are as follows; ① In recognizing an asbestos-induced lung cancer, diagnosis of asbestosis should be based on CT. In addition, initial findings of asbestosis on CT should be considered. ② High Exposure industries and occupations to asbestos should be also taken into account in Korea ③ An expert’s determination is warranted in case of a worker who has been concurrently exposed to other carcinogens, even if the asbestos exposure duration is less than 10 years. ④ Determination of a larynx cancer due to asbestos exposure has the same approval standards with an asbestos-induced lung cancer. However, for an ovarian cancer, an expert’s judgment is necessary even if asbestosis, pleural plaque or pleural thickening and high concentration asbestos exposure are confirmed. ⑤ Cigarette smoking status or the extent should not affect determination of an occupational cancer caused by asbestos as smoking and asbestos have a synergistic effect in causing a lung cancer and they are involved in carcinogenesis in a complicated manner.


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    Xujun Li, Xin Su, Li Wei, Junhang Zhang, Donglei Shi, Zhaojun Wang
    BMC Public Health.2024;[Epub]     CrossRef
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    Sooyong Roh, Soyong Park, Gyeong Tae, Jaechul Song
    Annals of Occupational and Environmental Medicine.2016;[Epub]     CrossRef
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Research Article
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
Ann Occup Environ Med 2015;27:16.   Published online June 5, 2015
DOI: https://doi.org/10.1186/s40557-015-0067-y
AbstractAbstract PDFPubReaderePub
Objectives

As first responders to an increasing number of natural and manmade disasters, active-duty firefighters are at increased risk for physical and psychiatric impairment as reflected by high rates of posttraumatic stress disorder (PTSD). Because little is known about related factor with PTSD according to job stress level among firefighters, we assessed utility of the Minnesota Multiphasic Personality Inventory (MMPI) using 5-year medical surveillance.

Methods

Data were analyzed from 185 male firefighters without psychiatric disease history and who at assessments in 2006 and 2011 completed all questionnaires on personal behaviors (including exercise, drinking and smoking habits) and job history (including job duration and department). MMPI, Events Scale-Revised-Korean version (IES-R-K) and Korean Occupational Stress Scale-Short Form (KOSS-SF) were used to screen for personality trait, PTSD symptom presence and job stress level, respectively. IES-R-K subgroups were compared using two-sample t- and χ2 tests, and factors influencing IES-R-K according to KOSS-SF were determined using uni- and multivariate logistic regression.

Results

Mean age and job duration were higher in PTSD-positive than negative groups. In multivariate analysis, increased PTSD risk was associated with: job duration (Odds ratio (OR) = 1.064, 95 % CI 1.012–1.118) for firefighters overall; masculinity-femininity (OR = 5.304, 95 % CI 1.191–23.624) and job duration (OR = 1.126, 95 % CI 1.003–1.265) for lower job stress level; and social introversion (OR = 3.727, 95 % CI 1.096–12.673) for higher job stress level.

Conclusions

MMPI relates with PTSD according to job stress level among experienced firefighters. Masculinity-femininity and social introversion were the strongest related factor for PTSD symptom development in low and high job stress levels, respectively.


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