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Shift work and depressive symptoms: the mediating effect of vitamin D and sleep quality

Title
Shift work and depressive symptoms: the mediating effect of vitamin D and sleep quality
Author
이수진
Keywords
shift work; depressive symptom; sleep quality; Vitamin D
Issue Date
2019-05
Publisher
TAYLOR & FRANCIS INC
Citation
CHRONOBIOLOGY INTERNATIONAL, v. 36, NO 5, Page. 689-697
Abstract
Shift work is associated with vitamin D level, sleep quality, and depressive symptoms. Vitamin D and sleep quality are also associated with depressive symptoms. The purpose of this study was to compare vitamin D level, sleep quality, and depressive symptoms between shift workers and daytime workers and analyze the mediating effect of vitamin D and sleep quality between shift work and depressive symptoms. Among those who participated in the Kangbuk Samsung Health Study in 2012 and 2014, 82,078 cases of full-time workers were analyzed. We evaluated their shift work, vitamin D level, sleep quality, and depressive symptoms with blood samples and questionnaires. Chi-square tests, t-tests, and path statistical analysis were performed. More depressive symptoms, lower vitamin D levels, and poorer sleep quality were associated with shift work. According to a path analysis, shift work had both a direct effect and an indirect effect on depressive symptoms, each mediated by sleep quality and vitamin D level. When a multigroup analysis was conducted for each sex, paths containing sleep quality were more significant in female shift workers than male shift workers; paths involving vitamin D did not differ between sexes. To assess depression risk in shift workers, evaluating vitamin D level and sleep quality is essential. Also, sleep problems are more prevalent in female compared to male shift workers with respect depression prevalence.
URI
https://www.tandfonline.com/doi/full/10.1080/07420528.2019.1585367https://repository.hanyang.ac.kr/handle/20.500.11754/109946
ISSN
0742-0528; 1525-6073
DOI
10.1080/07420528.2019.1585367
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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