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The relationship between shift work and mental health among electronics workers in South Korea: A cross-sectional study
- The relationship between shift work and mental health among electronics workers in South Korea: A cross-sectional study
- Kang, Mo-Yeol; Kwon, Ho-Jang; Choi, Kyung-Hwa; Kang, Chung-Won; Kim, Hyunjoo
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- PLOS ONE
- vol. 12, no. 11
- PUBLIC LIBRARY SCIENCE
- SCIE; SCOPUS
- Objective To determine the relationship between shift work and mental health, particularly insomnia, depression, and suicidal ideation, among electronics production workers. Methods A survey was conducted with 14,226 workers from an electronics manufacturer in South Korea. After excluding 112 individuals with incomplete responses, 14,114 respondents were analyzed. As part of a larger project, we collected data on respondents' general characteristics, work-related characteristics, and health status; however, in this study, we focused on the data related to shift work and mental health. Insomnia, depression, and suicidal ideation were set as dependent variables and working schedule as set as the independent variable. We performed multiple logistic regression analysis with daytime workers as the reference group. The model was adjusted for age, gender, body mass index, workplace, educational level, and marital status with or without children under 6 years of age. Results Relative to daytime workers, shift workers had 2.35, 1.23, and 1.17 greater odds of insomnia, depression, and suicidal ideation, respectively. Within the shift worker group, we found that the odds of depression and suicidal ideation increased dramatically when respondents had insomnia. The ORs for depression and suicidal ideation were 4.899 and 7.934, respectively. Conclusions Our findings suggest that shift work is related to an increased risk of mental health problems in production workers, and the sleep disturbance related with shift work is a central mechanism for this relationship. Since these results suggest that proactive management of sleep problems might attenuate their detrimental effects on shift worker's mental health.
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