Chronic diseases, health behaviors, and demographic characteristics as predictors of ill health retirement: Findings from the Korea health panel survey (2008-2012)

Purpose: The research aim was to identify demographic characteristics, chronic diseases, and unhealthy behaviors predicting ill health retirement in South Korea. Methods: Data were collected from 15,407 individuals enrolled in the first through the fifth phases of the Korea Health Panel Survey (2008-2012) using structured questionnaires examining retirement, morbidities, and health-related behaviors. The Cox proportional hazard model was used to examine demographic and clinical characteristics' effects on ill health retirement. Lost years of working life expectancy were calculated for demographic and clinical characteristics. Results: Older, female, and manual workers were more likely to experience ill health retirement, as were respondents reporting poor health-related habits (e.g., heavy drinking, irregular meals, less sleep hours, obesity, and no regular exercise). The chronic diseases most closely associated with ill health retirement were, in order, psychiatric disease, ophthalmologic disease, neurologic disease, infectious disease, and musculoskeletal diseases. The average reduction in working life expectancy was 9.73 years. Conclusions: Our study results can help contribute to the development of strategies for reducing the risk of ill health retirement and promoting sustainable labor force participation in an aging society.