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Dohee Lim 1 Article
Employment status and mortality among Korean men over a 13-year period
Dohee Lim, Kyoung Ae Kong, Hyesook Park, Kyunghee Jung-Choi
Epidemiol Health. 2021;43:e2021055.   Published online August 18, 2021
DOI: https://doi.org/10.4178/epih.e2021055
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AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
This study explored the effect of employment status on mortality over a 13-year period in Korean men.
METHODS
Data were used from the Korean Labor and Income Panel Study from 1999 to 2012. This study started with 2,737 subjects and included employed men in good health, aged 30-69 years. Deaths were tracked for 13 years from 2000 to 2012. Employment status classifications were: (1) regular employees, (2) precarious employees, (3) petty bourgeoisie, and (4) employers. Hazard ratios (HRs) were calculated using a Cox proportional hazards model, and were adjusted for age, education, income, and occupation, with regular employees as the reference category. To examine the effect of employment status and include employment history, the risk ratios of mortality were measured using the Poisson regression model, considering the duration of each employment and using 0 years as the reference category.
RESULTS
Over the course of the 13-year study, being a precarious employee (HR, 1.84) or petty bourgeoisie (HR, 1.87) at a particular point in time had a negative effect on mortality when compared with regular employees. Furthermore, working as precarious employees or petty bourgeoisie had no positive effect on mortality. A positive effect was observed, however, on the overall mortality risk for regular employees.
CONCLUSIONS
These results suggest that a healthy social policy is needed for precarious employees and petty bourgeoisie to avoid disadvantages in the workplace and the social safety net.
Summary
Korean summary
13년간 추적한 결과, 비정규직 노동자와 고용원이 없는 자영업자가 정규직 노동자에 비해 사망위험이 유의하게 높았다. 정규직 노동자에서는 일하는 것이 사망위험을 낮추는 긍정적인 효과를 관찰할 수 있었으나, 비정규직 노동자나 고용원이 없는 자영업자에서는 일하는 것의 긍정적인 효과를 관찰할 수 없었다. 이는 비정규직 노동자와 고용원이 없는 자영업자에 대한 건강한 사회 정책이 필요함을 시사한다.
Key Message
Over the course of the 13-year study, being a precarious employee or petty bourgeoisie had a negative effect on mortality when compared with regular employees. No positive effect of working was found for precarious employees or petty bourgeoisie, whereas cumulative work as a regular employee was observed to have a positive effect on mortality. These results suggest that a healthy social policy is needed for precarious employees and petty bourgeoisie to avoid disadvantages in the workplace and the social safety net.

Epidemiol Health : Epidemiology and Health