Working hours and depressive symptomatology among full-time employees: Results from the fourth Korean National Health and Nutrition Examination Survey (2007-2009)
- Authors
- Kim, Inah; Kim, Hyunjoo; Lim, Sinye; Lee, Mira; Bahk, Jinwook; June, Kyung Ja; Kim, Soyeon; Chang, Won Joon
- Issue Date
- Sep-2013
- Publisher
- Nordic Association of Occupational Safety and Health (NOROSH)
- Keywords
- depression; Korea; mental disorder; mental health; mental illness; workhour; worktime
- Citation
- Scandinavian Journal of Work, Environment and Health, v.39, no.5, pp 515 - 520
- Pages
- 6
- Journal Title
- Scandinavian Journal of Work, Environment and Health
- Volume
- 39
- Number
- 5
- Start Page
- 515
- End Page
- 520
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/13405
- DOI
- 10.5271/sjweh.3356
- ISSN
- 0355-3140
1795-990X
- Abstract
- Objective This study aimed to examine the distribution of working hours and the association between working hours and depressive symptomatology using representative data from a national, population-based survey. Method Data came from the fourth Korean National Health and Nutrition Examination Survey (2007-2009), which employed a systematic, stratified cluster-sampling method. We used logistic regression procedures to estimate the importance of weekly working hours as a predictor of depressive symptomatology. Results The prevalence of depressive symptomatology was 10.2%. The work week, which averaged 48.3 hours for the sample as a whole, was longer for men (49.8 hours) than women (45.3 hours), and 12.1% of respondents were engaged in shift work. In logistic regression analyses, compared to those working <52 hours per week, the odds ratios (OR) of working hours as a predictor of depressive symptomatology were 1.19 [95% confidence interval (95% CI) 0.77-1.85] for those working 52-59 hours per week and 1.62 (95% CI 1.20-2.18) for those working >= 60 hours per week, after adjustment for demographic characteristics, health behaviors, socioeconomic status, employment status, and work schedules. It showed a positive dose response relationship between working hours and depressive symptomatology (P=0.0059). Conclusions Working hours in Korea are long. There is an association between working hours and depressive symptomatology, and there seems be a trend in working hours and depressive symptomatology.
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