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Soo Hun Cho 31 Articles
Relationship Between Urinary t, t-muconic Acid and Insulin Resistance in the Elderly
Hyun Seung Park, Jeong Cheol Seo, Jin Hee Kim, Sang Hyuk Bae, Youn Hee Lim, Soo Hun Cho, Yun Chul Hong
Korean Journal of Occupational and Environmental Medicine 2011;23(4):387-396.   Published online December 31, 2011
DOI: https://doi.org/10.35371/kjoem.2011.23.4.387
AbstractAbstract PDF
OBJECTIVES
To examine the associations between the urinary t, t-muconic acid (t, t-MA) concentration and three indices of insulin resistance; namely, the homeostasis assessment of insulin resistance (HOMA-IR) index, blood insulin level and fasting glucose level.
METHODS
A panel study was performed on the elderly at a public health care center population in the northern area of Seoul between 2008 and 2010. The participants were 560 elderly, over 60 years of age whose urinary t, t-MA and insulin resistance indices had been measured; questionnaires were completed by these participants. A generalized linear mixed (GLM) analysis was adjusted for age, sex, drinking, urinary cotinine, exercise, vitamin intake and body mass index, at a significance level of p<0.05.
RESULTS
A total of 411 participants were finally analyzed after excluding those with diabetes and only one visit to the public health care center. Higher urinary t, t-MA concentrations were linearly associated with the HOMA-IR index, blood insulin level and fasting glucose level in the simple and fully adjusted GLM models. Although there were few limitations, a portion of insulin resistance was proven to be explained by exposure to benzene using r-squared. A significant relationship was also observed between urinary t, t-MA and malondialdehyde (MDA) using the same GLM models.
CONCLUSIONS
Urinary t, t-MA is related to the development of insulin resistance which is a key factor for development of diabetes and its complications induced by oxidative stress.

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  • Exploration of an Area with High Concentrations of Particulate Matter and Biomonitoring Survey of Volatile Organic Compounds among the Residents
    Hyunji Ju, Seungho Lee, Jae-Hee Min, Yong-Sik Hwang, Young-Seoub Hong
    Journal of Environmental Health Sciences.2023; 49(6): 344.     CrossRef
  • Association between urinary trans,trans-muconic acid and diabetes: a cross-sectional analysis of data from Korean National Environmental Health Survey (KoNEHS) cycle 3 (2015–2017)
    Eun Hye Yang, Do Jin Nam, Hyo Choon Lee, Soon Su Shin, Jae-Hong Ryoo
    Annals of Occupational and Environmental Medicine.2021;[Epub]     CrossRef
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Effects of Volatile Organic Compounds, and Formaldehyde on Heart Rate Variability among Elderly People in Seoul
Jeong Cheol Seo, Mo Yeol Kang, Soo Hun Cho, Youn Hee Lim, Jin Hee Kim, Jong Ryeul Sohn, Yun Chul Hong
Korean Journal of Occupational and Environmental Medicine 2011;23(3):253-260.   Published online September 30, 2011
DOI: https://doi.org/10.35371/kjoem.2011.23.3.253
AbstractAbstract PDF
OBJECTIVES
The purpose of the present study was to investigate the effects of volatile organic compounds, and formaldehyde on heart rate variability among elderly people who are vulnerable to ambient pollution.
METHODS
From May to August of 2009, 57 subjects older than 60 years were recruited in this study. Indoor air pollutants (volatile organic compounds and formaldehyde) were measured by a personal passive sampler. Heart rate variability (HRV) was measured in the sitting position for five minutes and assessed by time-domain and frequency-domain.
RESULTS
Multiple linear regression analysis showed significantly less low-frequency (LF) and high-frequency (HF) associated with elevated benzene levels. Exposure to toluene was associated with decreases in the Standard deviation of the NN intervals (SDNN) and LF. SDNN and LF were negatively associated with the increment of ethylbenzene levels.
CONCLUSIONS
An adverse effect on cardiovascular function caused by volatile organic compounds was observed among the elderly people of Seoul even though indoor air pollutant levels were lower than the yearly average guideline for indoor air quality in Korea.

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  • Estimating Benzene Exposure Level over Time and by Industry Type through a Review of Literature on Korea
    Donguk Park, Sangjun Choi, Kwonchul Ha, Hyejung Jung, Chungsik Yoon, Dong-Hee Koh, Seunghun Ryu, Soogeun Kim, Dongmug Kang, Kyemook Yoo
    Safety and Health at Work.2015; 6(3): 174.     CrossRef
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Association between Cadmium and Cognitive Function in the Elderly
Mo Yeol Kang, Soo Hun Cho, Youn Hee Leem, Jin Hee Kim, Sang Hyuk Bae, Yun Chul Hong
Korean Journal of Occupational and Environmental Medicine 2011;23(3):309-316.   Published online September 30, 2011
DOI: https://doi.org/10.35371/kjoem.2011.23.3.309
AbstractAbstract PDF
OBJECTIVES
We conducted this study to investigate the relationship between the blood concentration of cadmium and cognitive function in elderly Koreans.
METHODS
This research is a part of the Korean Elderly Environmental Panel Study (KEEPS). A total of 403 subjects were enrolled and analyzed from August 2008 through August 2010. Demographic information and medical histories were obtained using a questionnaire. Blood concentration of cadmium and Mini-Mental State Examination (MMSE) with Functional Activities Questionnaire (FAQ) were evaluated for each subject.
RESULTS
The mean age of subjects was 70.67 (SD 5.18, n=403) and 72% were female. The mean blood cadmium level was 1.22 microg/dl (SD 0.56), mean MMSE score was 25.12 out of 30 and mean FAQ score was 2.03 out of 30. Using linear regression analysis to estimate the relationship between blood cadmium concentration and MMSE and FAQ, we observed a significant association between log transformed values of blood cadmium levels and MMSE (p<0.002) or FAQ (p=0.005) scores. After adjusting for age, sex, level of education, alcohol consumption and smoking habits, the relationship between blood cadmium concentration and MMSE and FAQ scores ramained statistically significant (p=0.033 and 0.029, respectively).
CONCLUSIONS
These results suggest that blood cadmium concentration is strongly associated with cognitive function and functional activity in the elderly.

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  • Association between heavy metals, high-sensitivity C-reaction protein and 10-year risk of cardiovascular diseases among adult Korean population
    Hai Duc Nguyen, Hojin Oh, Ngoc Hong Minh Hoang, Min-Sun Kim
    Scientific Reports.2021;[Epub]     CrossRef
  • Associations between Cadmium Exposure and Taste and Smell Dysfunction: Results from the National Health and Nutrition Examination Survey (NHANES), 2011–2014
    Yi Zheng, Yun Shen, Zheng Zhu, Hui Hu
    International Journal of Environmental Research and Public Health.2020; 17(3): 943.     CrossRef
  • The association between cadmium and lead exposure and blood pressure among workers of a smelting industry: a cross-sectional study
    Hyun Chan An, Joo Hyun Sung, Jiho Lee, Chang Sun Sim, Sang Hoon Kim, Yangho Kim
    Annals of Occupational and Environmental Medicine.2017;[Epub]     CrossRef
  • Does cadmium exposure contribute to depressive symptoms in the elderly population?
    Changwoo Han, Youn-Hee Lim, Yun-Chul Hong
    Occupational and Environmental Medicine.2016; 73(4): 269.     CrossRef
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Hot Tub Lung Due to Mycobacterium Avium Complex in a Public Bath
Chung Won Kang, Yun Kyung Chung, Hye Eun Lee, Eun A Kim, Yun Chul Hong, Soo Hun Cho
Korean Journal of Occupational and Environmental Medicine 2010;22(2):166-172.   Published online June 30, 2010
DOI: https://doi.org/10.35371/kjoem.2010.22.2.166
AbstractAbstract PDF
BACKGROUND
Hot tub lung is a hypersensitivity pneumonitis caused by nontuberculous mycobacteria (NTM); the primary causative agent is Mycobacterium avium complex (MAC) post contaminated water exposure. Recently, 2 cases of hot tub lung were found in public bath bodyscrubbers working in Korea. However, the disease causing NTM was not identified in these cases. Here, we reported one case, along with clinical diagnostic approach to occupational medicine throughout worksite investigation.
CASE
A 53 year-old woman working in the public bath for 13 months' duration developed shortness of breath. She had been cleaning the locker room, several pools and floors every day, and using scrubbers with detergent and warm water. After examination, the patient was diagnosed with hypersensitivity pneumonitis based on high resolution computerized tomography and lung biopsy. Because the Mycobacterium avium was identified in both the patient's sputum and the warm pool, she was diagnosed with hot tub lung due to MAC.
CONCLUSION
Hot tub lung due to MAC was confirmed in public bath housekeeper. However, few cases have been reported, even though there are many cases. To prevent damages caused by hot tub lung, general environmental management such as ventilation and cleaning is important for bath operators. Likewise, awareness needs to be increased in workers with potential NTM environmental exposure and in clinicians through education about hot tub lung in order to reduce adverse harm from misdiagnosis and mistreatment of tuberculosis.

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The Effects of Particulate Matter on Respiratory Function of Schoolchildren in Jeju: A Panel Study
Jae Yong Moon, Su Young Kim, Kwang Sik Park, Ho Kim, Chung Won Kang, Hyun Seung Park, Soo Hun Cho, Yun Chul Hong
Korean Journal of Occupational and Environmental Medicine 2009;21(3):218-224.   Published online September 30, 2009
DOI: https://doi.org/10.35371/kjoem.2009.21.3.218
AbstractAbstract PDF
OBJECTIVE: To evaluate the changes in respiratory function associated with daily changes in particulate pollution.
METHODS
A total of 105 healthy schoolchildren of fourth and fifth grade elementary school age performed peak expiratory flow rates (PEFR) during 2 periods (May 14~June 15, Oct 22~Nov 23). We monitored concomitant ambient particulate matter (PM) levels during the periods.
RESULTS
An elevation PM(10) level of 1 microgram/m) led to decreases in PEFR of 0.20 L/min. A 1 microgram/m3 elevation of PM(2.5) led to a decrease of 0.36 L/min in PEFR. In addition, 1 day lag was associated with PM(10) levels and PEFR changes, and PM(2.5) showed the same result. The metal levels determined at PM(10) and PM(2.5) were found to be associated with decreased respiratory function.
CONCLUSIONS
An association between respiratory function and particulate pollution was observed when particulate pollutant levels were lower than the yearly average National Ambient Air Quality Standard in the Korea(50 microgram/m3).

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  • Diesel Exhaust Particle Exposure and its Pulmonary Function Effects
    Yong-Jin Lee, Da-Hye Kim, Soo-Hwan Kim, Jeong-Soo Kim, Dong-Chun Shin, Young-Wook Lim
    Journal of Korean Society for Atmospheric Environment.2016; 32(5): 457.     CrossRef
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Importance of job demands, career development, role pressure, and economic-issue-related job stress as risk factors for work related musculoskeletal disorders in electronics assembly line workers
Sang Hwan Han, Soo Hun Cho, Ji Young Kim
Korean Journal of Occupational and Environmental Medicine 2003;15(3):269-280.   Published online September 30, 2003
DOI: https://doi.org/10.35371/kjoem.2003.15.3.269
AbstractAbstract PDF
OBJECTIVES
To evaluate the association of upper extremity musculoskeletal disorders with job demand-control and effort-reward related job stress.
METHODS
Questionnaires concerning symptoms, psychosocial factors and work conditions were completed by 436 workers from a refrigerator assembly line, mobile phone assembly line, and an office, musculoskeletal conditions of the upper extremities were defined by the frequency, duration, and intensity of symptoms. A walk-through survey was performed to evaluate various physical work factors. Data were analyzed with the use of logistic regression.
RESULTS
A total of 382 workers completed the survey, for whom neck and shoulder symptoms were the most frequently reported, followed by finger and wrist, and then elbow symptoms. Both awkward working posture and forceful exertion were associated with an increase in shoulder/neck and finger/wrist symptoms. In addition, job stress factors such as monotony, low job clarity, low job control, low promotion prospect, economic issues, and retirement pressures were associated with increased neck/shoulder, elbow, and finger/wrist conditions. Women were more likely to report symptoms, and the association between musculoskeletal conditions and job stress factors was stronger in female assembly line workers and office workers than in male assembly line workers.
CONCLUSIONS
The results suggest that musculoskeletal conditions of the upper extremities are associated with not only physical work factors but also job stress factors. In particular, economic issues and career development factors are important influences on workers in Korea.

Citations

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  • Development and validation of a tool for the comprehensive risk assessment of musculoskeletal disorders (CRAMUD) among employees of a steel industry
    Saeid Yazdanirad, Gholamhossein Pourtaghi, Mehdi Raei, Mohammad Ghasemi
    Theoretical Issues in Ergonomics Science.2023; 24(3): 335.     CrossRef
  • Job Stress at the Shipbuilding Industry
    Kwan-Suk Lee, Da-Yeh Chung
    Journal of the Ergonomics Society of Korea.2012; 31(1): 177.     CrossRef
  • A Case Study on Job Stress Prevention in Shipbuilding Industry
    Chang-Ho Bae, Yu-Chang Kim
    Journal of the Ergonomics Society of Korea.2012; 31(1): 197.     CrossRef
  • Gender-related Factors Associated with Upper Extremity Function in Workers
    Kyoo Sang Kim, Min Gi Kim
    Safety and Health at Work.2010; 1(2): 158.     CrossRef
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The Effects of Job Stress on the Autonomic Nerve Activity of Workers in Manufacturing Industry
Ki Jung Yoon, Mi Na Ha, Jai Young Kim, Sang Yun Lee, Hyoung June Im, Ae Sun Shin, Seung Sik Hwang, Jeong Soo Kim, Dae Hee Kang, Soo Hun Cho
Korean Journal of Occupational and Environmental Medicine 2002;14(3):280-287.   Published online September 30, 2002
DOI: https://doi.org/10.35371/kjoem.2002.14.3.280
AbstractAbstract PDF
OBJECTIVE: A cross-sectional study was conducted to evaluate the relationships between autonomic nerve activity (i.e., heart rate variability and urinary catecholamines) and job stress.
METHODS
The study was conducted on 134 workers from a company producing consumer goods (i.e., diaper, paper towel) located in Cheonan, Korea. Job stress was assessed by Karasek's Job Content Questionnaire (JCQ). Autonomic function was assessed by heart rate variability (HRV) and urinary catecholamines (epinephrine, norepinephrine, and dopamine). Urine samplings, and measurings of HRV, were repeated three times for each shift. Information on demographic characteristics, previous job histories, past medical history, smoking and drinking were also collected.
RESULTS
No statistically significant differences were observed in any HRV and urinary catecholamines among the four groups, which were categorized by the Job Strain Model. When data were stratified by work duration, low field HRV was borderline significantly higher in the high strain group in individuals with a shorter work duration (<48.5 months, N=28, p-value of 0.92 by analysis of variance).
CONCLUSIONS
Neither HRV nor urinary catecholamines are significantly associated with job stress, as assessed by the Karasek's JCQ. However, HRV seems to be a potential physiological indicator of job stress only in the workers with a shorter work duration.

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Cancer Incidence in the Vicinity of Korean AM Radio Broadcast Towers
Hyoung June Im, Mi Na Ha, Soo Hun Cho
Korean Journal of Occupational and Environmental Medicine 2001;13(3):296-305.   Published online September 30, 2001
DOI: https://doi.org/10.35371/kjoem.2001.13.3.296
AbstractAbstract PDF
OBJECTIVES
Several studies have raised the possibility that exposure to electrical and/or magnetic fields may be particularly harmful in the promotion or initiation of cancer. The purpose of this study which was based on a geographical correlation design was to investigate any association that may exist between residing near radio broadcast towers and carcinogenic activity in Korea.
METHODS
In this study, the health effects of EMF of 10 AM radio broadcast towers in Korea were investigated. The electric powers of the towers were above 100kW. We chose exposed areas that were located within 2 km from the towers as well as four control regions which had similar populations in the same province(Do) but had no towers nearby. The incidence of leukemia, malignant lymphoma, brain tumor and breast cancer between the exposed areas and the control areas was compared. The standardized incidence ratios(SIRs) were calculated. Korean Medical Insurance data(between Nov,1,1993 and Oct,31,1996) was used for the cancer incidence estimation. The Nationwide Population Census data(in 1995) and the Resident Register data(in 1995) were used for information about population and locations.
RESULTS
Among the 10 exposed areas, one area for leukemia and one area for brain tumor showed a significantly high incidence compared to the control areas. There were no significant increased areas for malignant lymphoma and breast cancer.
CONCLUSIONS
This study design must be considered to be exploratory and not used for determining causality. However, the results suggest the necessity for further analytical epidemiological studies that have a more precise exposure measurement scale and information on confounding factors.

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The Association of Workplace Cumulative Noise Exposure and Blood Pressure
Sang Yun Lee, Jai Young Kim, Hyoung June Im, Ki Jung Yoon, Hong Ryul Choi, Sang Baek Koh, Dae Hee Kang, Soo Hun Cho
Korean Journal of Occupational and Environmental Medicine 2001;13(2):200-208.   Published online June 30, 2001
DOI: https://doi.org/10.35371/kjoem.2001.13.2.200
AbstractAbstract PDF
OBJECTIVES
The association of workplace cumulative noise exposure and blood pressure was investigated in this study using cross-sectional design.
METHODS
The study population comprised 852 manufacturing male workers of whom occupational health examination data, questionnaire and personnel records were available. Workplace ambient noise monitoring data was used for calculating individual cumulative noise exposure level. Mean of each systolic and diastolic blood pressure of occupational health examination data was used for individual systolic and diastolic blood pressure level. Possible confounding variables including family history of hypertension, smoking habit, alcohol drinking habit were collected by questionnaire. On the basis of job location and duration of work at the location, a cumulative time-weighted average noise level was calculated for each workers. According to this cumulative noise exposure level, each study subject was categorized as low noise exposure group, moderate noise exposure group, high noise exposure group, very high noise exposure group. Among noise exposure groups, mean of systolic and diastolic blood pressure was compared after adjusting possible confounding variables such as age, body mass index, serum cholesterol level, family history of hypertension, smoking history, alcohol drinking habit.
RESULTS
After adjusting possible confounding variables, noise exposure group was significant explanatory variables for both systolic and diastolic blood pressure, and mean of both systolic and diastolic blood pressure of very high exposure group was higher than that of low exposure group.
CONCLUSIONS
These findings suggested that the high cumulative noise exposure might elevate the blood pressure.

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  • Impact of Indoor Green in Rest Space on Fatigue Recovery Among Manufacturing Workers
    ChoHye Youn, LeeBom Chung, Minji Kang, Juyoung Lee
    Journal of Environmental Science International.2024; 33(3): 217.     CrossRef
  • The relationship between occupational noise exposure and hypertension using nearest age-matching method in South Korea male workers
    Min Gi Kim, Yeon-Soon Ahn, Zhongmin Jin
    Cogent Engineering.2021;[Epub]     CrossRef
  • Cohort study for the effect of chronic noise exposure on blood pressure among male workers in Busan, Korea
    Ji Ho Lee, Weechang Kang, Seung Rim Yaang, Nari Choy, Choong Ryeol Lee
    American Journal of Industrial Medicine.2009; 52(6): 509.     CrossRef
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Occupational Disease Surveillance System: Planning and Management
Soo Hun Cho, Yun Chul Hong, Jong Han Leem, Seong Sil Chang, Byung Chul Chun
Korean Journal of Occupational and Environmental Medicine 2001;13(1):10-17.   Published online March 31, 2001
DOI: https://doi.org/10.35371/kjoem.2001.13.1.10
AbstractAbstract PDF
No abstract available.

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  • Management System of Occupational Diseases in Korea: Statistics, Report and Monitoring System
    Kyung Yong Rhee, Seong Weon Choe
    Journal of Korean Medical Science.2010; 25(Suppl): S119.     CrossRef
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The Health Status Assessment of Subcontracted Workers
Hong Ryul Choi, Sang Baek Koh, Sei Jin Chang, Bong Suk Cha, Hyoung June Im, Sang Yun Lee, Jai Young Kim, Dong Mug Kang, Soo Hun Cho
Korean Journal of Occupational and Environmental Medicine 2001;13(1):18-30.   Published online March 31, 2001
DOI: https://doi.org/10.35371/kjoem.2001.13.1.18
AbstractAbstract PDF
OBJECTIVES
The strategy for the labor flexibility through subcontracted labor have brought a negative effect on the lives of the workers, such as the increase of the unstable employment. This study was conducted to analyze the relationship between the employment of subcontracted firms and the health status of them, and to find out some problems which have been caused in the process of health evaluation and the characteristics of social exclusion.
METHODS
We reviewed the periodical health examination and preemployment health examination in order to compare health status of the subcontracted workers with those of the parent firm workers. The SF-36 questionnaire was administered to assess the self-perceived health status.
RESULTS
The result shows that compared to the working duration of the parent firm workers, those of the subcontracted workers were shorter, and the job transfer rate was higher. In the periodical health examination, the prevalence of occupational and general disease was higher in the parent firm(10%) than in the subcontracted firms(6%). Preemployment health examination plays an important role in worker's health management. Among 6,260 workers who received preemployment health examination, the prevalence of disease was 37.9%. Mean scores of health status measured by SF-36 were lower in the subcontracted firm than in the parent firm.
CONCLUSIONS
Due to social exclusion of the subcontracted workers from the periodical health examination, there is a possibility that the periodical health examination have the healthy worker effect. These results suggests that the preemployment health examination could be a more appropriate indicator which is able to assess the health status of the subcontracted workers than the periodical health examination.

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  • Workplace Violence in Workers with Multi-Party Employment Arrangements: Results from the Korean National Representative Survey
    Yeogyeong Yoon, Kyunghee Jung-Choi
    Safety and Health at Work.2022; 13(1): 93.     CrossRef
  • Participation inequality in the National General Health Examination based on enterprise size
    Young Joong Kang, Jong Heun Park, Huisu Eom, Bohwa Choi, Seyoung Lee, Ji-Won Lee, Jun-Pyo Myong
    Annals of Occupational and Environmental Medicine.2017;[Epub]     CrossRef
  • Subcontractors and increased risk for work‐related diseases and absenteeism
    Kyoung B. Min, Shin G. Park, Jae S. Song, Kwan H. Yi, Tae W. Jang, Jin Y. Min
    American Journal of Industrial Medicine.2013; 56(11): 1296.     CrossRef
  • Factors Associated with Cancer Screening Rates of Manufacturing Workers
    Su Ho Park, Chang Hee Kim, Eun Kyung Kim
    Korean Journal of Occupational Health Nursing.2013; 22(3): 179.     CrossRef
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Study on Perceived Occupational Psychosocial Stress and Work-related Musculoskeletal Disorders among VDT Works
Yeong Su Ju, Ho Jang Kwon, Dong Gyu Kim, Jai Yong Kim, Nam Jong Baek, Hong Ryul Choi, In Keun Bae, Jong Man Park, Jong Du Kang, Soo Hun Cho
Korean Journal of Occupational and Environmental Medicine 1998;10(4):463-475.   Published online December 31, 1998
DOI: https://doi.org/10.35371/kjoem.1998.10.4.463
AbstractAbstract PDF
It has been hypothesized that jobs that have both high psychological demands and low decision latitude ('job strain") can lead to musculoskeletal disorder. The objective of this study was to test whether job strain was correlated with the presence of work-related musculoskeletal disorder, especially myofascial pain syndrome (MPS). Information on demographic factors, confounders such as household load and taking care of children or not, and scores for decision latitude, job demand, and social support was obtained by self-administered questionnaire, which had been developed in Korean language, by adopting NIOSH instrument and Extended Karasek Model (16 items). All subjects were also examined by rehabilitation medicine specialists for musculoskeletal disorders. Subjects (n=370) could be categorized into 4 groups, these were, housewives(n=89), shipyard CAD workers(n=89), general female workers(n=79; nurses, insurance counselors, public officials, clerks, etc), and telephone directory assistance operators(n=113). Results from univariate analyses indicated that all demographic factors, all confounders, scores for decision latitude and social support were not associated with the risk of musculoskeletal disorder. However, score for job demand was higher in musculoskeletal disorder cases than others. In subgroup analysis, this association was convinced again, in telephone directory assistance operators. Job strain model showed that the group of telephone directory assistance operators was high-strain group, and OR of musculoskeletal disorder was 2.446 (95% C.I. : 1.174, 5.096), when comparing this with the low strain group. In conclusion, job strain is a risk factor for work-related musculoskeletal disorder.

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  • A Study on the Work Ability and the Job Stress of the Workers in Manufacturing Industry of Automobile Parts
    Yun-Soo Mok, Dong Won Lee, Seong Rok Chang
    Journal of the Korean Society of Safety.2013; 28(3): 100.     CrossRef
  • Related Factors to Musculoskeletal Discomfort Symptoms on Some Middle·High school Teachers
    Jae-Yoon Lee, Byeong-Yeon Moon, Youn-Hong Jeong, Hyun-Kyung Woo
    Journal of the Korea Academia-Industrial cooperation Society.2012; 13(1): 264.     CrossRef
  • Musculoskeletal Symptoms and Its Related Factors among Male Workers in a Nonferrous Manufacturing Industry
    Yeon-Ok Jeong, Young-Chae Cho
    Journal of the Korea Academia-Industrial cooperation Society.2012; 13(8): 3552.     CrossRef
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The Effect of VDT Work on Work-related Musculoskeletal Disorder
Dorn Q Kim, Soo Hun Cho, Tai Ryoon Han, Ho Jang Kwon, Mina Ha, Nam Jong Paik
Korean Journal of Occupational and Environmental Medicine 1998;10(4):524-533.   Published online December 31, 1998
DOI: https://doi.org/10.35371/kjoem.1998.10.4.524
AbstractAbstract PDF
As use of the visual display terminal (VDT) is becoming more generalized as a result of office automation, the so-called 'VDT syndrome' which is often observed with the workers using VDT has emerged as a serious occupational health problem. However, few comparative study with control group using not only subjective symptom but also physical examination hag been conducted. We have conducted a study comparing prevalence rates of musculoskeletal disorder between 113 VDT operators of a telecommunication company and the control groups of housewives and office ladies through a review of subjective symptoms as well as physical examination by physiatrist to understand the magnitude of problem and relative risk of VDT worker. The symptom rates of upper extremity disability in VDT operators were higher than those of controls especially in neck and shoulder area. Fifty-four(47.8%) of 113 VDT operators met our case definition of upper extremity disorder by subjective symptom and physical examination. Myofascial pain syndrome of neck and shoulder muscles were the most common(46.9%). The odd ratio of using VDT operation for developing myofascial pain syndrome in the neck or shoulder area were 2.52(compared to controls of office ladies) and 2.64 (compared to controls of housewives). Other anatomical lesion such as elbow, hand and wrist shows slight higher prevalence rates of musculoskeletal disorder than control groups but not statistically significant.

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    Journal of The Korean Society of Integrative Medicine.2015; 3(4): 1.     CrossRef
  • Change in Musculoskeletal Pain in Patients With Work-Related Musculoskeletal Disorder After Tailored Rehabilitation Education: A One-Year Follow-Up Survey
    Dong Hun Lee, Boram Kang, Seungyoung Choi, Taikon Kim, Seong Ho Jang, Kyu Hoon Lee, Mi Jung Kim, Si-Bog Park, Seung Hoon Han
    Annals of Rehabilitation Medicine.2015; 39(5): 726.     CrossRef
  • Radiologic Assessment of Forward Head Posture and Its Relation to Myofascial Pain Syndrome
    An Sun, Han Gyeol Yeo, Tae Uk Kim, Jung Keun Hyun, Jung Yoon Kim
    Annals of Rehabilitation Medicine.2014; 38(6): 821.     CrossRef
  • Causes of Hand Tingling in Visual Display Terminal Workers
    Sein Oh, Hyung Kuk Kim, Jehwan Kwak, Taikon Kim, Seong Ho Jang, Kyu Hoon Lee, Mi Jung Kim, Si-Bog Park, Seung Hoon Han
    Annals of Rehabilitation Medicine.2013; 37(2): 221.     CrossRef
  • Comparison of Muscular Endurance Limit of the Thumb with Repetitive Using Between Adults and Children
    J.H. Park, G.H. Kim, K. Son
    Journal of Biomedical Engineering Research.2013; 34(1): 1.     CrossRef
  • The Effect of The Forward Head Posture on Postural Balance in Long Time Computer Based Worker
    Jung-Ho Kang, Rae-Young Park, Su-Jin Lee, Ja-Young Kim, Seo-Ra Yoon, Kwang-Ik Jung
    Annals of Rehabilitation Medicine.2012; 36(1): 98.     CrossRef
  • The Study on Computer Workstation, Rest and Musculoskeletal Symptoms in High School Students
    Tae-Hyung Yoon, Tae-Hyun Cha, Sang-Hui Hwang
    Journal of the Korea Academia-Industrial cooperation Society.2012; 13(7): 3037.     CrossRef
  • Leg Length Inequality, Habitual Posture, and Pain in Women's College Students
    Sung-Bok Kwon, Yeo-Jin Yi, Hye-Ja Han, Kyung-Sook Cho, Nan-Young Lim, Eun-Hee Lee, Haeng-Mi Son, Young-Sook Park, Joo-Hyun Kim, Hyun-Sook Kang
    Journal of muscle and joint health.2012; 19(1): 27.     CrossRef
  • A Comparative Evaluation about Force and Fatigue on Thumb according to Input Type for Repetitive Use of Mobile Phone
    K.M Kim, J.H. Park, G.H. Kim, K. Son
    Journal of Biomedical Engineering Research.2011; 32(4): 312.     CrossRef
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Quality Assessment of Group Occupational Health Service for Small and Medium Scale Enterprises in Korea
Sunmean Kim, Soo Hun Cho, Chang Yup Kim, Eun Hee Ha, Yun Chul Hong, Ho Jang Kwon, Mi Na Ha, Sang Hwan Han, Young Su Ju
Korean Journal of Occupational and Environmental Medicine 1998;10(1):71-82.   Published online February 28, 1998
DOI: https://doi.org/10.35371/kjoem.1998.10.1.71
AbstractAbstract PDF
Group occupational health service programme started in 1990 is one of the measures to cope with limited human and financial resources in occupational health. The programme has expanded rapidly to include 52 institutions, private as well as public, all over the country. In spite of its potential impact on health of employees and practice of occupational health in small and medium sized industries, comprehensive evaluation in terms of quality has not been tried. This study has aims to develop the criteria to assess the quality of newly developed group occupational health service programme, and to investigate the quality of institutions, and finally to develop policies for the quality improvement. 1) Criteria development : By defining occupational health services, in particular for small and medium sized industries, as one of the primary health care, followings are included as core elements of qualitative occupational health programme ; accessibility, continuity, comprehensiveness, technical quality, intersectoral collaboration, emphasis on preventive services, community participation, and adequacy. Again each element is divided into five major components of national health system infrastructure developed by the World Health Organization ; development of health resources, organized arrangement of resources, delivery of health care, economic support, and management. In turn, each component is categorized into three aspects of quality assessment, structure, process and outcome. Expert panel selected several criteria for each category to evaluate the programme. Criteria were modified according to each group of interviewees, to produce two sets of questionnaire, one for chief operating officer and another for nurses in the institutions, and the chief operating officer and workers in the workplace. 2) Subject : Of all 52 institutions, 25 voluntarily participated in the survey. At individual institution, chief operating officer and practicing nurses were interviewed in depth. After intensive education for interviewees, every interview was performed with standardized guideline and questionnaire. The quality of the 'Group occupational health service programme' was found to be lower than expected. Especially In continuity, comprehensiveness, technical quality, community participation and adequacy, lower quality in structural aspect was commonly identified throughout all the institutions. Quality in terms of accessibility and continuity highly varied among institutions. To improve quality of the programme, more comprehensive and systematic programme such as accreditation has to be introduced. In addition, human resources, governmental fund and information systems for individual workers are to be developed. As a long range plan, integration of occupational health services into the national health systems and pooling of financial resources and planned allocation should be considered.

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  • The roles of doctors, nurses, and industrial hygienists in the healthcare management services in Korea: a comparison of the opinions of specialized health management institutions and entrusted enterprises
    Bo-Young Jang, Dong-Mug Kang, Young-Ki Kim, Se-Young Kim, Kyung-Sun Ko
    Annals of Occupational and Environmental Medicine.2018;[Epub]     CrossRef
  • Relationship between occupational injuries and the provision of safety and health information: data from the 4th Korean working conditions survey
    Ju-il Seo, Gab-Sik Shin, Min Gi Kim, Young-Sun Min
    Annals of Occupational and Environmental Medicine.2018;[Epub]     CrossRef
  • Practice status of specialized agencies for occupational health management of small- to medium-size enterprises and the factors improving their performance: a cross-sectional survey study
    Saerom Lee, Jun-Pyo Myong, Eun-A Kim, Huisu Eom, Bowha Choi, Young Joong Kang
    Annals of Occupational and Environmental Medicine.2017;[Epub]     CrossRef
  • Validation of Performance Indicators for Evaluation of Workplace Health Promotion
    Seung Hee Ho, Young Moon Chae
    American Journal of Health Promotion.2015; 29(6): 402.     CrossRef
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Biomarkers of Susceptibility in Bladder Carcinogenesis
Sue Kyung Park, Hae Won Jung, Dae Hee Kang, Keun Young Yoo, Soo Hun Cho
Korean Journal of Occupational and Environmental Medicine 1997;9(2):341-356.   Published online June 30, 1997
DOI: https://doi.org/10.35371/kjoem.1997.9.2.341
AbstractAbstract PDF
Owing to the development of molecular biological techniques to identify new biomarkers of bladder cancer, the information obtained from the studios in which newly developed biomarkers are applied potentially useful in screening of general population, diagnosis of patients, predicting biological behavior and prognosis, and exposure assessments. Despite of rapid development there are a few review about the biomarkers in bladder cancer from which grogs summary of results as well as their optimal function can be considered. This study was carried out in biomarkers of bladder cancer by reviewing the literature to assess the usefulness and stapes of researches for biomarkers of bladder cancer on high risk groups, general population and patients. The biomarkers of bladder cancer were classified by Weinstein's model of carcinogenesis, simple classification of exposure-discase in classical epidemiology, classification by conception of exposure-disease continuum on molecular epidemiology, and application of biomarkers. Two biomarkers, N-acetylation enzyme and Glutathion S-transferase, which had been studied extensively in molecular epidemiology were selected and reviewed. Although the generalization, prediction and diagnosis of bladder cancer based on a single biomarker give rise to trouble due to intravariation of bladder tumor and heterogeneity of biomarkers variation, searching for more specific tumor markers may accurately lead better prediction of prognosis and better estimation of treatment response. The usefulness of both N-acetylation enzyme and glutathion 5-transferase in high-risk groups who have exposes to carcinogen may be more valuable. However more informations are neede in order to apply these biomarkers in clinical practices in further studies.

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Comparison of Diagnostic Criteria of Noise Induced Hearing Loss using Special Periodic Health Examination Data in Korea
Joohon Sung, Soo Hun Cho, Daehee Kang, Yeong Su Ju, Mi Na Ha, Ho Jang Kwon, Dork Ro Yun, Sangwhan Han
Korean Journal of Occupational and Environmental Medicine 1996;8(3):509-518.   Published online December 31, 1996
DOI: https://doi.org/10.35371/kjoem.1996.8.3.509
AbstractAbstract PDF
Although noise-induced hearing loss (NIHL) is the most prevalent occupational disease in Korea, only 10% of the diagnosed cases are compensated. Old (1989-94) and current diagnostic criteria, criteria for workers' compensation of NIHL in Korea, compensation formulas of American Medical Association/American association of Ophthalmology and Otolaryngology (AMA/AAOO), the Committee on Hearing, Bio-Acoustics, Biomechanics (CHABA), American Academy of Otolaryngology (AAO) recommendation were compared. Each criterion was applied on the audiomety data of 4044 workers (8023 ears), who had received the second line screening test of Special Periodic Health Examination Program for noise-exposed workers during 1991-2. First, the resulting proportions of NIHL cases by employing each criterion were compared and strength of agreement was measured using kappa value. Temporary Threshold Shift (TTS) was corrected by noise free interval, and the reduction ratio of NIHL cases was calculated. Theoretical progression model of NIHL was reconstructed from previous studies on the natural course of NIHL to evaluate the change of diagnosis result of each criterion in the model. The kappa value between old and current criteria was 0.19, 0.55 for current criteria and workers' corn. criteria, ranging from 0.08 to 0.78, highest coincidence was observed between current criteria and CHABA formula. The current criteria produce most similar results with CHABA formula. If TTS is corrected for NFI, there is about 14 % reduction of NIHL cases. The results of applying on NIHL progression model divided the formulas roughly into 3 groups, of which compensation criteria was the most, old criteria and AAO the least conservative. In conclusion. The result of 4 KHZ audiometry should be excluded in evaluation of hearing level and a new hearing conservation program should be set out. Current diagnostic criteria has an ambiguity in that managerial concept for prevention arid! purpose of compensation is mixed up. The current diagnostic criteria and compensation criteria could be incorporated'into 'a new formula which is based on the state of the art test for estimating everyday hearing disability.

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  • Noise-induced hearing loss in Asia
    Adrian Fuente, Louise Hickson
    International Journal of Audiology.2011; 50(sup1): S3.     CrossRef
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Perceived Occupational Psychosocial Stress and Work-related Musculoskeletal Disorders Among Workers Using Video Display Terminals
Ho Jang Kwon, Mi Na Ha, Dork Ro Yun, Soo Hun Cho, Daehee Rang, Yeong Su Ju, Do Myung Paek, Nam Jong Paek
Korean Journal of Occupational and Environmental Medicine 1996;8(3):570-577.   Published online December 31, 1996
DOI: https://doi.org/10.35371/kjoem.1996.8.3.570
AbstractAbstract PDF
A cross-sectional study was conducted to assess the association between perceived occu-pational psychosocial stress at work and the work-related musculoskeletal disorders (WRMSD) among employees using video display terminals. The study included 111 female telecommunication employees from three companies at ChungBuk province. Cases of WRMSD were defined using symptom questionnaire and physical examination conducted by rehabilitation specialist. Information on demographics, individual factors, and perceived psychosocial stress, were obtained by self-administered questionnaire. For assessing perceived psychosocial stress, we used variables from 'job strain model' proposed by Karasek. Associations between perceived psychosocial stress and WRMSD were assessed by multiple logistic regression models. Forty nine (44% to the total) subjects met our operational definition for WRMSD. Age, seniority, housing load were not associated with WRMSD. Perceived psychosocial stress was associated with WRMSD [odds ratio=3.28, 95% confidence interval: 1.05-10.19]. This study suggests that perceived occupational psychosocial stress is related to the prevalence of WRMSD.

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  • The Relationship between Working Environment Factors and Stress and Musculoskeletal Disorders in Dental Hygienists
    Ae-Eun Moon
    Journal of dental hygiene science.2015; 15(4): 472.     CrossRef
  • Change in Musculoskeletal Pain in Patients With Work-Related Musculoskeletal Disorder After Tailored Rehabilitation Education: A One-Year Follow-Up Survey
    Dong Hun Lee, Boram Kang, Seungyoung Choi, Taikon Kim, Seong Ho Jang, Kyu Hoon Lee, Mi Jung Kim, Si-Bog Park, Seung Hoon Han
    Annals of Rehabilitation Medicine.2015; 39(5): 726.     CrossRef
  • Work-related Musculoskeletal Disorders in Korea Provoked by Workers’ Collective Compensation Claims against Work Intensification
    Dongmug Kang, Youngki Kim, Young-Il Lee, Sangbaek Koh, Inah Kim, Hoonkoo Lee
    Annals of Occupational and Environmental Medicine.2014;[Epub]     CrossRef
  • A Study on the Work Ability and the Job Stress of the Workers in Manufacturing Industry of Automobile Parts
    Yun-Soo Mok, Dong Won Lee, Seong Rok Chang
    Journal of the Korean Society of Safety.2013; 28(3): 100.     CrossRef
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Noise-Induced Temporary Threshold Shift and its Recovery in Industry
Soo Hun Cho, Mi Na Ha, Sang Hwan Han, Young Soo Joo, Ju Hon Sung, Jong Won Kang, Dork Ro Yun, Bong Bin Song, Myung Hag Lee, Seon Tae Kim
Korean Journal of Occupational and Environmental Medicine 1996;8(2):320-329.   Published online September 30, 1996
DOI: https://doi.org/10.35371/kjoem.1996.8.2.320
AbstractAbstract PDF
To determine the recovery time from noise-induced temporary threshold shift (TTS), a prospective field study was conducted at three worksites where workers are known to be exposed high level of noise. Subjects were selected according to answers on a questionnaire which inquired about otological history and previous noise exposure, including avocational, military and occupational exposures. After excluding employees with past otologic problems, recent exposure to high level noise, and under medications, total 92 employees participated in the study. Among 92 participants, complete consecutive audiometric examinations were carried out at 0~2 hours, 5~7 hours, 14~16 hours after worktime noise exposure on 26 participants wearing hearing protectors and 22 participants wearing no protective devices. The difference between the hearing level 0~2 hours after noise exposure and 5~7 hours is statistically significant by paired t-test(p<0.01). The median recovery times calculated from the data of 22 participants wearing no protective hearing devices are 15.6 hours at 4000 Hz, and 7.7 hours, 10.3 hours, 8.4 hours at 1000 Hz, 2000 Hz and 8000 Hz respectively. These data suggest that when measuring the pure tone audiometry for noise exposed workers, at least 16 hours noise-free interval is required.

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The Development of Systemic Health Management Program in the Small Scale Industry using Organic Solvents: Application of Neurobehavioral Core Test Battery(NCTB)
Soo Hun Cho, Sang Hwan Han, Mi Na Ha, Dork Ro Yun, Ho Jang Kwon
Korean Journal of Occupational and Environmental Medicine 1995;7(2):258-268.   Published online October 31, 1995
DOI: https://doi.org/10.35371/kjoem.1995.7.2.258
AbstractAbstract PDF
It is known that there appear some nonspecific and delicate changes in neuropsychiatric aspect on the workers when they are exposed for a long period to low concentrated organic solvents in the work places. Therefore, it give rise to the necessity of developing a program for the health supervisor stationed in the work place to supervise these neurobehavioral health affection. In addition to the questionnaire posed to the workers exposed to organic solvents, the study team conducted NCTB(Neurobehavioral Core Test Battery) respectively on an exposed group and a non-exposed group to organic solvents. The study team compared the results and decided whether or not to apply the results to the evaluation program of health affection. The study team divided 132 workers in 6 car repairing factories and 2 textile printing factories into exposed group and non-exposed group, pairing them off into 66 research objects according to their age, sex, and job. Neurobehavioral test was conducted on 6 items, except the POMS test, of NCTB developed by the World Health 0rganization (WHO) . The study team conducted examinations of working environment on the exposed and non-exposed groups of each work place. The analysis of the collected materials for examinations were conducted with GC-MS. The concentration of the mix-ture in the air, relative to their respective threshold limit values (TLV) was calculated according to the formula of the ACGIH and the Korean threshold limits. The results indicated that for two of eight factories samples the recommended concentration limits for mixtures was exceeded. Of the six tests, the'digit span forward','digit span backward'and'digit symbol' produced conspicuous statistical differences between the two groups (p<0.1) as a result of compairing the test values by means of paired t-test. The results of respective analysis of the car repairing factories and textile printing factories revealed that the textile printing factories had greater differences between the exposed and the non-exposed than in the car repairing factories. It is presumably because the textile printing workers are continuously exposed to the organic solvents during working hours, whereas the car repairing workers are exposed only when they are doing painting works. The NCTB is assessed very useful in examining the neurobehavioral health affection under the exposure to organic solvents, and, therefore, the study team expects that the NCTB will play an important part in the course of developing a health program for the workers exposed to organic solvents.

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Validity and Reliability of Data Derived from Questionnaire on Neurobehavioral Symptoms
Ho Jang Kwon, Soo Hun Cho, Hyun Sul Lim
Korean Journal of Occupational and Environmental Medicine 1995;7(1):21-27.   Published online February 28, 1995
DOI: https://doi.org/10.35371/kjoem.1995.7.1.21
AbstractAbstract PDF
There are many studies on the neurobehavioral symptoms due to organic solvent exposure using questionnaire. However there is little published evidence on validity and reliability of the questionnaire on the neurobehavioral symptoms. In present study, the authors tested the validity and reliability of our questionnaire, which was designed for screening neurobehavioral disturbance in organic solvent exposer. Questionnaire was administered to the workers of one paint manufacturing plant and one coil manufacturing plant. In order to evaluate validity of the questionnaire, the average questionnaire scores of two plants were compared. The average score of paint manufacturing plant were higher than that of coil manufacturing plant and the difference was statistically significant. After adjustment of age, duration of employment, education, smoking history and alcohol consumption, significance was maintained. Test-retest reliability was evaluated by kappa statistics. More than 50% of question items showed values of kappa above 0.4, Cronbach coefficient alpha whoch reflects internal consistency of the questionnaire was 0.86. Overall the data showed that validity and reliability of the questionnaire were generally acceptable.

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  • Occupational Neurological Disorders in Korea
    Eun-A Kim, Seong-Kyu Kang
    Journal of Korean Medical Science.2010; 25(Suppl): S26.     CrossRef
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Validation of New Derivatization Procedure for the Determination of Hippuric Acid in Urine Using Gas Chromatography
Soo Hun Cho, Yong Hyeon Yim, Sun Min Kim, Ho Jang Kwon, Mi na Ha, Sang Hwan Han
Korean Journal of Occupational and Environmental Medicine 1995;7(1):58-62.   Published online February 28, 1995
DOI: https://doi.org/10.35371/kjoem.1995.7.1.58
AbstractAbstract PDF
Urinary hippuric acid was analyzed by gas chromatography/mass spectrometry method. A simple and economical derivatization procedure using excessive methanol in acidic condition was adopted to esterify hippuric acid. Quantitative analysis was performed with two internal standards, heptadecanoic acid and hydrocinnamic acid, to evaluate the derivatization procedure as an analytical method. Using the standard addition method, linear and reproducible calibration curves were obtained for both internal standards. Calibration experiment showed that good quantitative result could also be obtained with the calibration curve obtained without urine matrix. Recovery rates for the urine samples were in the range of 95.6~111.4%. Using hydrocinnamic acid as internal standard, analysis time could be reduced.

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  • Relationships between airborne exposure and urinary metabolites of nail technicians
    Jin Hee Yang, Ji Young Kim, Aeyong Eom, Hee Kyoung Hyoung, Sang Baek Koh
    Toxicology and Environmental Health Sciences.2010; 2(3): 175.     CrossRef
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Concepts of Occupational Exposure Limit and Their International Comparisons
Kyung Sim Koh, Soo Hun Cho
Korean Journal of Occupational and Environmental Medicine 1995;7(1):152-168.   Published online February 28, 1995
DOI: https://doi.org/10.35371/kjoem.1995.7.1.152
AbstractAbstract PDF
This paper focuses on the origin of the concepts of occupational exposure limit, and traces the history and development of thoughts and regislations of various countries and organizations concerning the founding principles upon which it is based. The concepts of establishing standards for occupational chemicals in workplace air constitute a social consensus or agreement about acceptable levels of occupational hygiene. The level of scientific development of a country and the discussion of experts in the field of occupational health play an important role. The physician in occurational health has to be especially concerned to discover and estimate the risks to anyone particularly susceptible to exposures within the hygienically acceptable conditions.

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Acute Ulcerative Contact Dermatitis from Ready Mixed Conerete
Soo Hun Cho, Sang Hwan Han
Korean Journal of Occupational and Environmental Medicine 1995;7(1):191-194.   Published online February 28, 1995
DOI: https://doi.org/10.35371/kjoem.1995.7.1.191
AbstractAbstract PDF
The case was described of a 43 year old male who developed burns of the both shins as a result of handling wet cement. After wet cement was spilled into the rubber boots he was wearing, he experienced painful erythema of both lower legs. Several weeks later, medical examination revealed dirty and granulated ulceration of the both shins. The largest ulcer, about 18 by 10 centimeters, was located on the anterior aspect of left lower leg. We coneluded that this skin problem resulted from the ertreme alkalinity of calcium hydroxide in wet cement, combined with the effects of pressure and occlusion against the skin.

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  • Adverse health outcomes in residents exposed to cement dust
    Kyung Tae Cha, Sung Soo Oh, Jin Ha Yoon, Ki Hyun Lee, Sung Kyung Kim, Bong Suk Cha, Sang Ha Kim, Ae Young Eom, Sang Baek Koh
    Toxicology and Environmental Health Sciences.2011; 3(4): 239.     CrossRef
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Assessment of Environmental Monitoring Items for Mixed Organic Solvents in Work Place
Soo Hun Cho, Ho Jang Kwon, Mi Na Ha, Sang Hwan Han, Yong Hyeon Yim, Sung Tae Oh
Korean Journal of Occupational and Environmental Medicine 1994;6(2):259-269.   Published online September 30, 1994
DOI: https://doi.org/10.35371/kjoem.1994.6.2.259
AbstractAbstract PDF
Ambient air monitoring(environmental monitoring) and biological monitoring of mixed organic solvents exposure have been used in exposure assessment of these compounds in the work environment. Environmental monitoring is more useful when assessing low level exposure to these compounds. The specific objectives of this study were to measure air organic solvent levels in the work environment, to test the agreement of items measured in this study with items which have been reported to the administrative agency, and finally to evaluate the appropriateness of environmental monitoring items. The study subjects were 13 small companies in which less than 300 employees were working and presumably exposed to mixed organic solvents(e.g. automotive repair and painting, 6; textile dyeing, 2; printing, 2; electronics, etc, 3). Personal air samplings were performed by the flow-lite sampling pump(MSA) and the 600mg charcoal tube with air velocity of 100ml/min for qualitative analysis and 2l/min for quantitative analysis. Samples were analysed by gas chromatography/mass spectrometry(Hewlett-Packard 5890/5970). High levels of toluene, n-hexane, and MIBK were detected in most study companies and low levels of ethylbenzene, xylene, n-butylacetate were also detected. When these measured items were compared with those of reported items, only 6 of 13 companies showed relatively good agreement between them. Two companies failed to report items exceeding the limit value. In conclusion, qualitative analysis of ambient air organic solvents seemed to be as important as quantitative analysis of these compounds and a periodic evaluation of monitoring items reported to the administrative agency should be required.

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Oceupational Chronic Low Baek Pain: A Case Report
Nam Jong Paik, Soo Hun Cho
Korean Journal of Occupational and Environmental Medicine 1994;6(2):429-438.   Published online September 30, 1994
DOI: https://doi.org/10.35371/kjoem.1994.6.2.429
AbstractAbstract PDF
Low back pain is the most costly occupational health problem and is in steadily increasing trend. Some occupational back problems often lead to persistent pain with medical, psychologic and occupational implications. Treatment is uncertain these chronic low back pain patients are responsible for most of medical expenses spent on occupational back pain. So, chronic low back pain prevention seems very important and is accomplished by a combination of measures. The authors experienced a case of chronic low back pain in compensation without definite evidence of organic causes and report the case with clinical reviews and measurements of the pain and pain behaviors using psychological tests and pain questionnaire.

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Blood carboxyhemoglobin levels and clinical symptoms of furnace-repairing workers
Heon Kim, Hyun Sul Lim, Soo Hun Cho, Dork Ro Yun
Korean Journal of Occupational and Environmental Medicine 1993;5(1):152-162.   Published online February 28, 1993
DOI: https://doi.org/10.35371/kjoem.1993.5.1.152
AbstractAbstract PDF
No abstract available.

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A study on the subjective symptoms of the workers exposed to chronic low dose organic solvents
Sun Min Kim, Soo Hun Cho, Hyun Sul Lim, Heon Kim
Korean Journal of Occupational and Environmental Medicine 1993;5(1):104-113.   Published online February 28, 1993
DOI: https://doi.org/10.35371/kjoem.1993.5.1.104
AbstractAbstract PDF
No abstract available.

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  • Association between Exposure to Organic Solvents and Symptom of Headache and Eyestrain among Laundry Workers: Analysis of the 6th Korean Working Conditions Survey Data
    Hyun-Sun Jeong, Kyoung-Mu Lee
    Journal of Environmental Health Sciences.2023; 49(6): 372.     CrossRef
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Possibility of cadmium poisoning in a zinc galvanizing factory
Soo Hun Cho, Heon Kim, Sun Min Kim
Korean Journal of Occupational and Environmental Medicine 1991;3(2):153-164.   Published online November 30, 1991
DOI: https://doi.org/10.35371/kjoem.1991.3.2.153
AbstractAbstract PDF
No abstract available.

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  • Potentially Toxic Elements (PTEs) Composition and Human Health Risk Assessment of PM10 on the Roadways of Industrial Complexes in South Korea
    Jin-Young Choi, Hyeryeong Jeong, Kongtae Ra, Kyung-Tae Kim
    Atmosphere.2021; 12(10): 1307.     CrossRef
  • Occupational Diseases in Korea
    Seong-Kyu Kang, Eun A Kim
    Journal of Korean Medical Science.2010; 25(Suppl): S4.     CrossRef
  • Carbon Disulfide Poisoning in Korea with Social and Historical Background
    Eunil Lee, Soonduck Kim, Haejoon Kim, Kwangjong Kim, Yongtae Yum
    Journal of Occupational Health.1996; 38(4): 155.     CrossRef
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Estimation of geometric means and reference values of normal tissuecadmium level among Koreans
Heon Kim, Soo Hun Cho
Korean Journal of Occupational and Environmental Medicine 1991;3(1):76-91.   Published online February 28, 1991
DOI: https://doi.org/10.35371/kjoem.1991.3.1.76
AbstractAbstract PDF
No abstract available.

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  • Pollutant levels in ambient air and blood in Korea
    Chan-Seok Moon, Masayuki Ikeda
    Environmental Health and Preventive Medicine.1996; 1(1): 33.     CrossRef
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A Review of Health Effects of Relative Humidity in Office Building
Soo Hun Cho, Heon Kim
Korean Journal of Occupational and Environmental Medicine 1990;2(2):123-133.   Published online August 31, 1990
DOI: https://doi.org/10.35371/kjoem.1990.2.2.123
AbstractAbstract PDF
No abstract available.

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  • Comparison of Moisture Absorption/Desorption Properties of Carbonized Boards Made from Wood-Based Panels
    Min Lee, Sang-Bum Park, Sang-Min Lee
    Journal of the Korean Wood Science and Technology.2016; 44(3): 424.     CrossRef
  • Characteristics of Bioaerosol Generation of Household Humidifiers by User Practices
    Ik-Hyeon Kim, Ki Youn Kim, Daekeun Kim
    Korean Journal of Environmental Health Sciences.2012; 38(6): 503.     CrossRef
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Serious Decompression Sickness among Korean Diving Fisherman: An Analysis of 37 Cases
Soo Hun Cho, Dae Hyun Yang, Hyun Choi
Korean Journal of Occupational and Environmental Medicine 1989;1(1):98-108.   Published online February 28, 1989
DOI: https://doi.org/10.35371/kjoem.1989.1.1.98
AbstractAbstract PDF
Hospital records were reviewed for 486 divers who have been diagnosed as decompression sickness(DCS) at Kangnam General Hospital between December 1986 and November 1988. Among 39 cases classified as serious DCS(type II), the patients had been fishery diving in 97.4% of the cases. The ages of the afflicted divers ranged from 22 to 47 years, with a mean of 31.5% years. The divers were experienced being less than one year in 21.6% and 70% of them learned diving skill by self-taught. In 86.5% of the cases the divers had made multiple divies ranged in depth from 31 to 50 meters. Thirty-one(83.7%) of the patients noted their first symptoms within 30 minutes of surfacing. The spinal cord was most often affected, and the most common symptoms were 'numbness' or 'tingling' in one or more extremities and discomfort or pain on the chest. Recompression treatment was delayed for 18 hours in average after the onset of dysbaric symptoms and this treatment is more likely to be effective the sooner that it commences after the onset of dysbaric symptoms.

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  • Occupational Diseases in Korea
    Seong-Kyu Kang, Eun A Kim
    Journal of Korean Medical Science.2010; 25(Suppl): S4.     CrossRef
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