The Health Status of Informal Waste Collectors in Korea

Joonho Ahn, Jaeyong Lee, Hyeyeon Park, Yangwon Kang, Chungwon Kang, Young-Jin You and Mo-Yeol Kang
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Joonho Ahn: Department of Occupational and Environmental Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
Jaeyong Lee: Department of Occupational and Environmental Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
Hyeyeon Park: Department of Psychology, California State University, Long Beach, CA 90840, USA
Yangwon Kang: Department of Occupational and Environmental Medicine, Korea Workers’ Compensation & Welfare Service Ansan Hospital, Ansan 15324, Korea
Chungwon Kang: Department of Preventive Medicine, College of Medicine, Seoul National University, Seoul 03080, Korea
Young-Jin You: Center for Occupational and Environmental Medicine, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
Mo-Yeol Kang: Department of Occupational and Environmental Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea

IJERPH, 2020, vol. 17, issue 15, 1-12

Abstract: Background : A broad, holistic approach was performed among informal waste collectors (IWCs) in Korea to understand their complex multidimensional health and safety problems. Methods : In the quantitative study, a survey of IWCs was conducted at four junk shops in Gangbuk-gu, Seoul, and survey data were used to calculate age-standardized prevalence rates based on comparisons with the general population in Korea. A qualitative study was also performed to provide more details on IWCs’ occupational and musculoskeletal injuries and depression. Results : In the quantitative study, the age-standardized prevalence rate (aSPR) of occupational injury was higher than that of the general standard population (aSPR: 10.42, 95% confidence interval (CI) 5.19–18.64) and that of blue-collar workers (aSPR: 4.65, 95% CI 2.32–8.32). Regarding musculoskeletal problems, compared to employed populations, the aSPRs of shoulder pain (aSPR: 2.63, 95% CI 1.60–4.06), wrist pain (aSPR: 3.33, 95% CI 1.33–6.86), knee pain (aSPR: 1.51, 95% CI 1.01–2.17), and ankle pain (aSPR: 3.54, 95% CI 1.14–8.26) were higher. Regarding psychological problems, depression (aSPR: 2.55, 95% CI 1.27–4.56) and suicidal or self-harm ideation (aSPR: 2.09, 95% CI 1.11–3.58) were higher compared to general populations. Through the qualitative study and case study on muscular problems, more details on the work environment problems of IWCs were obtained. Conclusions : IWCs are exposed to various occupational hazards and lack proper protection. They show a high prevalence of occupational injury, musculoskeletal disease, and depression.

Keywords: informal waste collectors; occupational injury; workplace risk factors; depression; musculoskeletal pain (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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