Annals of Occupational and Environmental Medicine

Jae Suk Song

5 Articles

Pain Related Factors in Upper Extremities Among Hospital Workers Using Video Display Terminals: Hyoung Ryoul Kim, Jong Uk Won, Jae Suk Song, Chi Nyon Kim, Hyun Soo Kim, Jaehoon Roh; Korean Journal of Occupational and Environmental Medicine 2003;15(2):140-149. Published online June 30, 2003; DOI: https://doi.org/10.35371/kjoem.2003.15.2.140

OBJECTIVES
This study was designed to quantify symptoms in the upper extremities and to identify the pain related factors among hospital workers using video display terminals.
METHODS
The subject-group consisted of 138 employees working at a hospital using video display terminals. A structured questionnaire was used to estimate the participants' general characteristics, and job contents. Job stress was measured using Karaseks JCQ(Job Content Questionnaire). Pain in the upper extremities was identified according to the NIOSH symptoms survey criteria. Quantification was measured using Kim Chul's method. Pearson's Correlation analysis was used to identify validity in quantification. VAS(visual analog scale) was used to compare with this method. Multiple regression analyses elucidated the relationship between quantified pain and various work factors, such as job stress. Data were analysed with SAS 6.12 program.
RESULTS
First, in quantification using Kim Chul's method, the correlation between modified PRS(pain rating score) and VAS was extremely high by 0.60(P<0.01), indicating the high validity of PRS. Second, the groups of high job demand, high job control, and females were related to an increased pain level.
CONCLUSIONS
These results suggest that the self pain assessment method, PRS, is valuable and useful in analyzing occupational musculoskeletal symptoms. High demand, job control and gender may influence the levels of pain. Prospective studies about musculoskeletal disorder are required.

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The association between long working hours and work-related musculoskeletal symptoms of Korean wage workers: data from the fourth Korean working conditions survey (a cross-sectional study)
Jae-Gwang Lee, Guang Hwi Kim, Sung Won Jung, Sang Woo Kim, June-Hee Lee, Kyung-Jae Lee
Annals of Occupational and Environmental Medicine.2018;[Epub] CrossRef
A study on relationships between characteristics of smart usage and symptoms of MSDs
Kyung-In Kim, Seo-Yeon Choi, Dong-Hyun Park
Journal of the Korea Safety Management and Science.2016; 18(1): 119. 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
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
Effect on Turnover Intention in Hotel Employees with Musculoskeletal Pains by Working Environment
Seong-Yeol Kim
The Journal of the Korea Contents Association.2012; 12(8): 256. CrossRef
Work-related Musculoskeletal Diseases and Occupational Injuries in Health Care Workers
Jung-Yeon Hong, Jung-Wan Koo
Journal of the Korean Medical Association.2010; 53(6): 446. 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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Analysis of Sufficient Conditions in Approving Cere b rovascular and Cardiovascular Disease as Occupational Disease: Jong Uk Won, Kook Whan Ha, Jae Suk Song, Jaehoon Roh, Hyung Ryul Kim, Dae Hee Lee, Kang Hee Lee; Korean Journal of Occupational and Environmental Medicine 2003;15(1):52-60. Published online March 31, 2003; DOI: https://doi.org/10.35371/kjoem.2003.15.1.52

Abstract PDF

OBJECTIVES
This study was performed to analyze the factors that affect the decision to approve workers compensation claims for cerebrovascular and cardiovascular diseases and to analyze the worker characteristics.
METHODS
Three hundred, sixty-nine cases were collected based on the workers compensation records of three Seoul and Incheon Regional centers of the Labor Welfare Corporation between 1998 and 1999. They contained the general characteristics, injury information and past medical histories. The x2-test and logistic regression were performed to investigate the factors affecting the approvals. Seventy-two survivors were surveyed by telephone for job stress. Job stress was surveyed in three parts: job demands, decision latitude and personal free time.
RESULTS
Of the cases, 167 obtained approval from the Corporation; the others did not. Regardless of approval, 62% of all subjects had more than one of the cerebral and cardiovascular risk factors. Especially, 53.9% of subjects had hypertension. According to the logistic regression, the fatal cases had a higher approval rate (OR=26.4, CI=9.13-76.22). The cases with working condition change (OR=6.5, CI=3.45-12.07), accidents on worksite (OR=4.9, CI=2.39-10.07), female (OR=4.0, CI=1.21-13.3), accidents at night duty (OR=2.9, CI=.156-5.39), cases occurring on duty (OR=.25, CI=1.34-4.72) and cases without past disease history (OR=1.8, CI=1.02-3.36) also had higher approval rates. Telephone survey found that the approval rate increased with decreasing freedom of personal time schedule. However, the logistic regression revealed that job stress didnt affect the approvals.
CONCLUSION
To prevent cerebrovascular and cardiovascular diseases, the most important aspect is to control hypertension which is the most common risk factor among the victims. Moreover, job stress and over working should be considered in the just approval of the workers compensation claims.

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Compensation for Work-Related Cerebrocardiovascular Diseases
Jong-Uk Won, Inah Kim
Journal of Korean Medical Science.2014; 29(Suppl): S12. CrossRef
Long Working Hours and Work-related Cerebro-cardiovascular Disease in Korea
Yun Kyung CHUNG, Young-jun KWON
Industrial Health.2013; 51(5): 552. CrossRef
An Investigation on the Metabolic Syndromes and Health-Related Risk Factors among Male Workers
Sun-Young Choi, Na-Eun Kang, Sung-Hee Kim
The Korean Journal of Food And Nutrition.2013; 26(4): 975. CrossRef
A Comparison of the Recognition of Overwork-related Cardiovascular Disease in Japan, Korea, and Taiwan
Jungsun PARK, Yangho KIM, Yawen CHENG, Seichi HORIE
INDUSTRIAL HEALTH.2012; 50(1): 17. CrossRef
Work-related Cerebro-Cardiovascular Diseases in Korea
Dae-Seong Kim, Seong-Kyu Kang
Journal of Korean Medical Science.2010; 25(Suppl): S105. CrossRef

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Effects of transient threshold shift and ambient noise on sensitivity and specificity of first screening of special health examination for noise: Jong Uk Won, Moon Kyoo Bang, Joong Ho Song, Sedn Ah Jeong, Jae Suk Song, Jaehoon Roh; Korean Journal of Occupational and Environmental Medicine 2000;12(2):269-276. Published online June 30, 2000; DOI: https://doi.org/10.35371/kjoem.2000.12.2.269

Abstract PDF: OBJECT: This study was performed to increase the sensitivity and specificity for screening the examinee of second hearing test.
METHODS
Study subjects were 219 workers who exposed more than average 80dB. They were taken the hearing test two times, before noise exposure and at 1 hour to 4 hours after worksite noise exposure. To investigate the ambient noise workers who were taken the hearing test in the test room which ambient noise was less than 45dB were classified Group I and the others were classified Group E. To calculate the sensitivity and specificity we made it gold standard whether worker had noise induced hearing loss.
RESULTS
Difference of hearing loss between before and after noise exposure for left and right ear was 11. 4 dB and 11. 7 dB respectively at 500 Hz, 8. 7 dB and 9. 6 dB at 1, 000 Hz, 6. 3 dB and 6. 9 dB at 2, 000 Hz and 6. 9 dB and 7. 4 dB at 4, 000 Hz in Group I. That for left ear and right ear was 5.8 dB and 4.9 dB at 500 Hz respectively, 5.4 dB and 6.4 dB at 1,000 Hz, 6.3 dB and 5.3 dB at 2,000 Hz, and 5.5 dB and 5.8 dB at 4,000 Hz in Group E. The sensitivity was 100 in both Groups and the specificity was increased to 58. 3 and 71. 8 in Group I and Group 3 respectively until 10 dB was deducted from hearing level at 1, 000 Hz and 4, 000 Hz.
CONCLUSION
When the screening hearing test was performed at worksite, we might deduct 10 dB from measured hearing level to increase the specificity without reduction of sensitivity.

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Evaluation of Dermal Measurement for Workers in Benzidine Dihydrochloride and Benzidine Based Dye Manufacturing Factory: Hye Kyeong Yeom, Jae Suk Song, Chi Nyon Kim, Jong Uk Won, Jaehoon Roh; Korean Journal of Occupational and Environmental Medicine 1998;10(1):83-94. Published online February 28, 1998; DOI: https://doi.org/10.35371/kjoem.1998.10.1.83

Abstract PDF

This study is performed to evaluate usefulness of dermal measurement of benzidine and benzidine based dye as one of the occupational exposure assessment method for these compounds. We selected one benzidine manufacturing factory and one dye manufacturing factory in Incheon area. Eleven workers were for benzidine manufacturing factory and twenty four for dye. We analyzed relationships among air level, amount on skin and concentration of urinary metabolites for these compounds. Airborne levels of benzidine and dye were measured by NIOSH 5509, 5013 methods. Amount of these compounds on skin was measured with skin wipe method. Concentration of benzidine metabolites in urine was measured by High Performance Liquid Chromatography after alkaline hydrolysis. The amount of benzidine on hand skin was 25.05( - 233.2) ng/ur, and the amount of the neck was 2.01 ( - 11.9) ng/cm2 in the benzidine dihydrochloride manufacturing factory. The amount of benzidine on hand and neck skin has positive correlation with concentration of urinary monoacetyl benzidine (r=0.644, p < 0.05) . The amount of benzidine based dye on hand skin was 55.75( - 457.7) ng/cm2, and the amount of the neck skin was 18( - 284.7) ng/cm in benzidine based dye manufacturing factory The amount of dye on hand and neck skin has positive correlation with concentration of urinary benzidine for dye workers (r=0.467, p < 0.05). When assessing the exposure of workers who deal with benzidine, the amount of benzidine on skin should be measured for an accurate exposure assessment.

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A work-relatedness assessment in epidemiological case investigation of occupational cancers: II. Practice: an upper urinary tract cancer in a dyer
Kihun Kim, Hyeoncheol Oh, Jungwon Kim
Annals of Occupational and Environmental Medicine.2020;[Epub] CrossRef

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A Post-examination Health Care Status of Workers with Noise Induced Hearing Loss in Manufacturing Factories: Jang Sun Choi, Jae Suk Song, Jong Uk Won, Jong Du Kang, Bong Suk Cha, Jae Hoon Roh; Korean Journal of Occupational and Environmental Medicine 1996;8(2):272-281. Published online September 30, 1996; DOI: https://doi.org/10.35371/kjoem.1996.8.2.272

Abstract PDF: The number of workers with noise induced hearing loss which comprise 56.9% in the total number of workers with work-related diseases in Korea of 1994, are becoming in position of the most serious problem. Periodic health examination system which was introduced for health care of workers on hazardous workplace has played important role in health care and the prevention of work-related diseases. The goal of periodic health examination may be obtained when we not only discover occupational disease, but also control them effectively. To study the post-examination health status of workers with noise induced hearing loss diagnosed from 1991 to 1994 in the periodic health examination, all 154 workers in 102 manufacturing factories in Banwol and Siwha industrial complex were reviewed. ' 1. Among 154 workers, 87 workers (56.5%) were changed to different department, 67 workers (43. 5%) remained in the same department. 2. Among 102 workplaces, only 23 workplaces (22.9%) 'had changed their working environment while 79 workplaces (77.1%) did not. 3. In this study, post-examination health care of the workers diagnosed as noise induced-hearing loss had significant correlated with the presence of health care manager, Industrial Health and Safety Committee in workplace and size of industry. The improvement of working environment is also closely related with the presence of health care manager in workplace. 4. Among 154 respondents, 3 Wkers(l. 9%) had received! compensationwhile 151; workers(98.1%) did not. 5. The reasons for not requesting the compensation were that 117 workers (77.5^) were ignorant of the administrative procedure for compensation, 30 workers (19.9%) were not sure of receiving compensation, 4 workers (2.6%) were busy. Considering the result of this study, we must establish the guide of management or contents of post management for noise induced hearing loss. To prevent the noise induced hearing loss, and protect the workers with noise induced hearing loss, education about post management is much required for employer and employee.

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