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KMID : 1002520150090010041
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Korean Journal of Health Service Management
2015 Volume.9 No. 1 p.41 ~ p.55
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Association Night-Shift and Long Working-Hours Effects on Subjective Insomnia in Korean Workers : The Third Korean Working Conditions Survey
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Kim Chae-Bong
Jung Tae-Young
Han Seoung-Min
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Abstract
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Working the night-shift and long working hours may be linked to insomnia. The purpose of this study is to determine the association between night-shift work and long working-hours with regard to subjective insomnia in Korean workers. This study was based on the Third Korean Working Condition Survey (KWCS) conducted on workers in 2011. The total number of individuals included in the analysis was 34,708 workers. Adjusted odd ratios showed statistically effective associations to insomnia. For night-shift work, the results were 2.71 (1.53 - 4.82) for night shift work by experts and managers, 2.95 (2.11 - 4.11) for night- shift work by officers, and 3.90 (2.05 - 7.42) for night-shift work by engineers compared with day duty. For long working hours, the scores were 2.43 (1.68-3.51) for >52 working hours by officers, 1.72 (1.15 - 2.58) for those in sales and service compared to ≤40 working hours. We suggest the need for Korean workers to target specific groups when creating policies related to reasonable environmental conditions.
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KEYWORD
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Insomnia, Night-Shift Work, Long Working Hours, Korean Working Condition Survey
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