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Association between Long Working Hours and Suicidal Ideation
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Ki Ung Kim, Shin Goo Park, Hwan Cheol Kim, Jong Han Lim, Sung June Lee, Sung Hwan Jeon, Yong Suk Huh
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Korean Journal of Occupational and Environmental Medicine 2012;24(4):339-346. Published online December 31, 2012
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DOI: https://doi.org/10.35371/kjoem.2012.24.4.339
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 Abstract
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- OBJECTIVES
This study was conducted to investigate the relationship between long working hours and suicidal ideation.
METHODS
Data based on the fourth Korea National Health and Nutrition Health and Nutrition Examination Survey_(2007~2009) pertaining to a total of 4,539 full-time workers were analyzed. Working hours were divided into four groups (<40 hours/week, 40~51 hours/week, 52~60 hours/week, >60 hours/week). The relationship between working hours and suicidal ideation was then analyzed after adjusting for general and occupational characteristics using a multivariate logistic regression model.
RESULTS
Working 40-51 hours/week showed the lowest suicidal ideation(9.5%), whereas working 52~59 hours/week, over 60 hours/week and less than 40 hours/week showed suicidal ideations of 14.8%, 15.7% and 17.2% respectively. Even after adjusting for general and occupational characteristics, employees working 40~51 hours/week had the lowest suicidal ideation. Working 52~59 hour/week, over 60 hours/week and less than 40 hours/week showed an odds ratios of 1.413(p-value: 0.058), 1.380(p-value: 0.020) and 1.164(p-value: 0.358) respectively.
CONCLUSIONS
The results suggest that working long hours, especially over 60 hours per week, is related to suicidal ideation.
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Citations
Citations to this article as recorded by  - Statement by the Korean Society of Occupational and Environmental Medicine on the proposed reform of working hours in South Korea
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Annals of Occupational and Environmental Medicine.2016;[Epub] CrossRef - Relationship between Long Working Hours and Suicidal Thoughts: Nationwide Data from the 4th and 5th Korean National Health and Nutrition Examination Survey
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PLOS ONE.2015; 10(6): e0129142. CrossRef - Is suicidal ideation linked to working hours and shift work in Korea?
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