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KMID : 1041720230350010033
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Annals of Occupational and Environmental Medicine
2023 Volume.35 No. 1 p.33 ~ p.33
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Occupational stress changes and new-onset depression among male Korean manufacturing workers
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Kim Ji-Ho
Kim Hwan-Cheol
Kim Min-Sun
Yang Seong-Cheol
Park Shin-Goo
Leem Jong-Han
Lee Dong-Wook
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Abstract
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Background : Studies on the association between occupational stress and depression have been frequently reported. However, the cross-sectional designs of studies limited insight into causal associations. In this study, we investigated the longitudinal association between occupational stress and new-onset depression among employees in a single manufacturing plant.
Methods : The annual health checkup data of employees at a manufacturing plant in Korea were collected. A total of 1,837 male employees without depression who completed a health checkup during two consecutive years were included. Occupational stress was measured using a short form of the Korea Occupational Stress Scale (KOSS-SF), and depression was assessed using a Patient Health Questionnaire-2. The association between occupational stress change over the two years and newly developed depression was investigated using two logistic regression models.
Results : Across all sub-factors of KOSS-SF, employees who reported increased occupational stress had a higher risk of new-onset depression. Newly developed depression was significantly associated with job demand (odds ratio [OR]: 4.34; 95% confidence interval [CI]: 2.37?7.96), job insecurity (OR: 3.21; 95% CI: 1.89?5.48), occupational climate (OR: 3.18; 95% CI: 1.91?5.31), lack of reward (OR: 2.28; 95% CI: 1.26?4.12), interpersonal conflict (OR: 2.14; 95% CI: 1.18?3.86), insufficient job control (OR: 1.93; 95% CI: 1.05?3.56), and the organizational system (OR: 1.84; 95% CI: 1.01?3.36).
Conclusions : For every sub-factor of the KOSS-SF, occupational stress increase and persistent high stress were associated with the risk of developing new-onset depression. Among the seven sub-factors, job demand had the most significant effect. Our results show that occupational stress should be managed to promote employee mental healthcare.
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KEYWORD
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Occupational stress, KOSS, Depression
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