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Association of Sleep Duration and Working Hours with Suicidal Ideation in Shift Workers: The Korean National Health and Nutrition Examination Survey 2007-2018

Title
Association of Sleep Duration and Working Hours with Suicidal Ideation in Shift Workers: The Korean National Health and Nutrition Examination Survey 2007-2018
Authors
Kim, Sun-YoungKim, Soo InLim, Weon-Jeong
Ewha Authors
김선영임원정김수인
SCOPUS Author ID
임원정scopus; 김수인scopus
Issue Date
2021
Journal Title
PSYCHIATRY INVESTIGATION
ISSN
1738-3684JCR Link

1976-3026JCR Link
Citation
PSYCHIATRY INVESTIGATION vol. 18, no. 5, pp. 400 - 407
Keywords
Shift workWorking hoursSleep durationSuicidal ideation
Publisher
KOREAN NEUROPSYCHIATRIC ASSOC
Indexed
SCIE; SSCI; SCOPUS; KCI WOS
Document Type
Article
Abstract
Objective This study investigated whether sleep duration and working hours were associated with the risk of suicidal ideation. Methods Data from 13,628 shift workers (age >= 19) were obtained from the nationwide cross-sectional Korea National Health and Nutrition Examination Surveys conducted in 2007-2018. We included healthy shift workers without depressive disorders and chronic medical illnesses. Sleep duration, working hours, and suicidal ideation were assessed using a self-reported questionnaire. Logistic regressions were used to examine the association of sleep duration and working hours with the risk of suicidal ideation. We examined interactions between sleep duration and working hours in association with suicidal ideation. In addition, interactions of sex or age were also analyzed. Results Shift workers sleeping for <6 and >= 10 hours/day were associated with suicidal ideation compared with those sleeping for 7 to <9 hours/day Individuals working >52 hours/week had a higher risk of suicidal ideation compared with those working <= 40 hours/week. In terms of interaction by sex or age groups in the association between working hours and the risk of suicidal ideation, the relationship was stronger for men than for women and for those aged <45 years than for those aged >= 45 years. Conclusion Shorter or longer sleep durations, and long working hours were associated with a higher risk of suicidal ideation. Under long working hours, male shift workers or those aged <45 years were more vulnerable to suicidal ideation.
DOI
10.30773/pi.2020.0412
Appears in Collections:
의과대학 > 의학과 > Journal papers
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