Annals of Occupational and Environmental Medicine

Jae Hong Ryoo

4 Articles

Worker's Compensation Claims and Approval Status for Occupational Cancers in Korea from 2000 to 2009: Won Cheol Lee, Dong Il Kim, Young Jun Kwon, Hyoung Ryoul Kim, In Ah Kim, Jae Hong Ryoo, Soo Geun Kim; Korean Journal of Occupational and Environmental Medicine 2011;23(2):112-121. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.112

OBJECTIVES
The purpose of this study is to analyze the characteristics of the occupational cancer claims compensated by the Industrial Accident Compensation Insurance that is operated by the Korea Workers' Compensation and Welfare Service (COMWEL).
METHODS
Using the COMWEL electronic database, we collected 1,933 claims for occupational cancer based on the worker's compensation records in the COMWEL from 1 January 2000 to 31 December 2009. We analyzed the characteristics of the claims.
RESULTS
The average number of claims per year for occupational cancer was 193 and the approval rate was 13.1% from 2000 to 2009. Men accounted for 93.7% of the approved cases and had a higher approval rate. Approval rates increased with age. Among claims for occupational cancer, the most common was digestive cancer. On the other hand, the highest approval rate was for mesothelioma claims, followed by respiratory cancer, lymphoid or hematopoietic cancer. By industry, claims were most common in manufacturing, but the approval rate was highest in mining and quarrying. By occupation, claims most commonly came from legislators, senior officials & managers, but the approval rate was highest for craft & related trades workers. The average of tenure period was 15.5 years for approved cases, but 10.3 years for non-approved cases, respectively.
CONCLUSIONS
We analyzed the characteristics of the occupational cancer claims which were compensated for the last 10 years accrording to the approved results. For the purpose of long-term understanding and management of worker's compensation status for occupational cancer, we should gather accurate information of the carcinogenic factors involved in order to achieve the systematic improvement that is needed.

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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
Compensation for Occupational Cancer
Inah Kim, Eun-A Kim, Jae Young Kim
Journal of Korean Medical Science.2014; 29(Suppl): S40. CrossRef
Occupational Cancers with Chemical Exposure and their Prevention in Korea: A Literature Review
Kyung-Taek Rim
Asian Pacific Journal of Cancer Prevention.2013; 14(6): 3379. CrossRef

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Factors Associated with Quality on Sleep of Subway Workers by Shift-Work: Min Gi Kim, Won Chul Lee, Young Min Lee, Jae Hong Ryoo, Hawn Cheol Kim, Seung Won Yoo, Kyung Han Nam; Korean Journal of Occupational and Environmental Medicine 2008;20(4):326-334. Published online December 31, 2008; DOI: https://doi.org/10.35371/kjoem.2008.20.4.326

Abstract PDF

BACKGROUND
The sleep quality of subway drivers who work in the dark underground with an rotating shift system is generally poor, which can degrade the quality of a worker's life. This study examined the relationship between the sleep quality of subway worker and shift work by comparing three shift systems (rotating shift system, a three day shift system, and no-shift system).
METHOD
Questionnaires including The short form of the Korean Occupational Stress Scale (KOSS), Pittsburgh Sleep Questionnaire (PSQI), the worker's age, gender, job type, accident, near miss and shift system were given to a total of 1010 workers. The results of 759 qualified questionnaires (75.15 %) were analyzed using the SPSS (ver 12.0) program.
RESULT
The highest level of job stress was found among those working a rotating shift system followed by three shift system and no-shift system. The mean sleep quality score in the rotating shift workers was 5.1 (SD+/-3.2), which was greater than the sleep symptom score (5). 34.8% of rotating shift workers suffered from sleep symptoms. The sleep quality score by shift-work was significantly different. High job demand, strong external locus control, the experience of a near miss or an accident in the workplace during previous year has an adverse affect on the sleep quality. The sleep quality improved in case of a change into a no-shift system or a strong internal locus control.
CONCLUSION
A rotating shift system is more harmful to the quality of sleep in subway workers than a 3 shift system or no-shift system. In addition, job stress, personality, near miss and the experience of an accident affect the sleep quality of subway workers.

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Prevalence of Insomnia in Various Industries and Associated Demographic Factors in Night-Shift Workers Using Workers’ Specific Health Examination Data
Jihye Lee, Yeonpyo Hong, Weonyoung Lee
International Journal of Environmental Research and Public Health.2021; 18(13): 6902. CrossRef
Associations between Supervisor and Coworker Support and Parenting Stress among Employed Mothers with Nonstandard Work Schedules
Woosang Hwang, Kamala Ramadoss
Journal of Social Service Research.2020; 46(5): 693. CrossRef
Factors related with quality on sleep of daytime workers
Bu-il Kim, Seong-yong Yoon, Jin-seok Kim, Kuck-Hyeun Woo, Seong-yong Cho, Ho Lee, Jong-min An
Annals of Occupational and Environmental Medicine.2018;[Epub] CrossRef
Trouble in transit: Organizational barriers to workers’ health
Nicole P. Bowles, Bruce S. McEwen, Carla Boutin‐Foster
American Journal of Industrial Medicine.2017; 60(4): 350. CrossRef
Relationship Between Psychosocial Factors and Smartphone Addiction Among Middle School Students in Rural Areas
Hu-Yeon Lee, Young-Chae Cho
Journal of the Korea Academia-Industrial cooperation Society.2015; 16(7): 4711. CrossRef
Influence of Health-Promoting Behaviors on Quality of Sleep in Rotating-Shift Nurses
Seung Wha Shin, Su Hyun Kim
Journal of Korean Academy of Fundamentals of Nursing.2014; 21(2): 123. CrossRef
Associations between Sleep Quality, Daytime Sleepiness, with Perceived Errors during Nursing Work among Hospital Nurses
Mi Sung Kim, Jang-Rak Kim, Ki-Soo Park, Young Sil Kang, Sung Pil Michael Choe
Journal of agricultural medicine and community health.2013; 38(4): 229. CrossRef
Comparison of Dietary Status and Health Behaviors according to the Obesity in Male Workers
Seung Gyo Rhie, In Yong Jang
The Korean Journal of Community Living Science.2013; 24(3): 411. CrossRef
Relationship Between Job Stress and Quality of Sleep among 119 Recue Workers
Seong-Woo Yun, Kyeong-Ae Oh, Hyun Yun, Jong Park
Journal of the Korea Academia-Industrial cooperation Society.2013; 14(6): 2926. CrossRef
Factors Influencing Sleep Quality in Clinical Nurses
Kuem-Sun Han, Eunyoung Park, Young Hee Park, Hee Su Lim, Eun Mi Lee, Leen Kim, Ducksun Ahn, Hyuncheol Kang
Journal of Korean Academy of Psychiatric and Mental Health Nursing.2011; 20(2): 121. CrossRef

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A Case of Epitheloid Sarcoma on Metal Cutoff Worker: Min Gi Kim, Kyoo Sang Kim, Tae Woo Kim, Hyung Woo Ryu, Jae Hong Ryoo; Korean Journal of Occupational and Environmental Medicine 2008;20(2):147-152. Published online June 30, 2008; DOI: https://doi.org/10.35371/kjoem.2008.20.2.147

Abstract PDF: BACKGROUND
Soft tissue sarcoma is a rare condition with many causative factors. However a soft tissue sarcoma from a metallic foreign body and injury is rare. We report a case of a soft tissue sarcoma caused by a metallic foreign body and injury.
CASE
The patient had been worked as a metal cutter for 17 years. While working, his palms were constantly pricked by small metallic splinters, which were generally removed after work. On march 2004, he had palpitated mass on his right palm. On November 2006, a right hand x-ray showed a mass and metallic foreign body at the 1st volar space which was confirmed to be an epitheloid sarcoma. All metallic products of his workplace contained chromium and Nickel. which are known to cause soft tissue sarcomas. A review of the literature revealed foreign-body and injury induced oxidative and nitrative stress to be associated with a developing sarcoma. In addition, Cr and Ni are associated with the development of sarcoma. Therefore it was concluded this case of epitheloid sarcoma was associated with his employment.
CONCLUSION
A soft-tissue sarcoma associated with a metal foreign-body and injury is rare and their relationship is difficult understand. If a case of sarcoma is encountered on a metal associated worker, their job association should be considered.

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Analysis of Worker's Compensation Claims for the Cerebrovascular and Cardiovascular Diseases: Jae Hong Ryoo, Eun Hee Ha, Soo Geun Kim, Jeong Youn Kim, Yong Kyu Kim, Eui Cheol Lee, Cheol Ho Yi, Jun Seok Son; Korean Journal of Occupational and Environmental Medicine 2007;19(1):38-46. Published online March 31, 2007; DOI: https://doi.org/10.35371/kjoem.2007.19.1.38

Abstract PDF

OBJECTIVES
This study was performed to provide fundamental data to judge whether or not cerebro and cardiovascular diseases are work-related, by comparing the characteristics between approved and non-approved cases among the worker's compensation claims.
METHODS
We collected 12,309 cerebro and cardiovascular disease claims based on the worker's compensation records of the Labor Welfare Corporation from 2000 to 2004. The approved and non-approved cases were analyzed according to factors such as the calendar year, industry, company size, occupation, gender, age group, classification of cerebro and cardiovascular diseases, fatality and underlying diseases. We used x2-test and multivariate logistic regression for the analysis.
RESULTS
According to multivariate logistic regression, electricity gas and water supply (OR=4.18, 95% CI=1.43~12.17), construction (OR=2.39, 95% CI=1.22~4.69) and manufacturing (OR=2.10, 95% CI=1.08~4.07) industries had a higher approval rate than mining and quarrying industries. Service workers and sales & marketing department workers (OR=1.90, 95% CI=1.47~2.47), professionals (OR=1.83, 95% CI=1.50~2.23), technicians and associate professionals (OR=1.63, 95% CI=1.35~1.97) and legislators and senior officials and managers (OR=1.62, 95% CI=1.24~2.12) had a higher approval rate than plant and machine operators and assemblers. Female workers had a higher approval rate (OR=1.31, 95% CI=1.13~1.53) than male workers. Cerebrovascular diseases had a higher approval rate (OR=2.75, 95% CI=2.42~3.13) than cardiovascular diseases. Fatal cases had a higher approval rate (OR=6.01, 95% CI=4.89~7.38) than surviving cases.
CONCLUSION
For cerebro and cardiovascular diseases, workers' compensation claims are increasing, approval rates are relatively high and factors such as industry, company size, occupation, gender and fatality are related. A remarkable difference in the approval rate was found according to industry and occupation, suggesting the need for further study to identify which factors influence the approval rate. The approval rate for intracerebral hemorrhage arising in the course of employment (COE) was significantly higher than that arising out of employment (AOE), suggesting the need to correct the approval criteria.

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The effect of long working hours on cerebrovascular and cardiovascular disease; A case‐crossover study
Kyong‐sok Shin, Yun kyung Chung, Young‐Jun Kwon, Jun‐Seok Son, Se‐hoon Lee
American Journal of Industrial Medicine.2017; 60(9): 753. CrossRef
Compensation for Work-Related Cerebrocardiovascular Diseases
Jong-Uk Won, Inah Kim
Journal of Korean Medical Science.2014; 29(Suppl): S12. CrossRef
A Study on the Prevalence and Influencing Factors of Metabolic Syndrome among Police Officers
Ju Hee Hong, Sa-Woo Lee
Journal of Korean Society of Occupational and Environmental Hygiene.2014; 24(4): 566. 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
The Effect of Nutrition Education on Nutrition Knowledge and Health Improvement in Dyslipidemic Industrial Employees
Kyung-Soon Sim, Kyung-Hea Lee
Journal of the Korean Dietetic Association.2012; 18(1): 43. CrossRef
Work-related Cerebro-Cardiovascular Diseases in Korea
Dae-Seong Kim, Seong-Kyu Kang
Journal of Korean Medical Science.2010; 25(Suppl): S105. CrossRef
Factors Affecting the Designation of Cerebrovascular Diseases as Work-Related in Administrative Litigation
Hyeongsu Kim, Jaewook Choi, Hwayoung Rim, Sounghoon Chang, Kunsei Lee
Journal of Korean Medical Science.2008; 23(2): 236. CrossRef

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