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KMID : 0613620190390040011
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Health Social Welfare Review
2019 Volume.39 No. 4 p.11 ~ p.40
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The Moderating Effect of Sleep Quality on the Relationship between Working Patterns and Mental Health among Korean Older Workers
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Bae Su-Hyun
Kim Gi-Yeon
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Abstract
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The present study aims to examine the effect of working patterns on mental health and the moderating effect of sleep quality among older workers in Korea. Drawn for analysis from the fifth wave of the Korean Working Conditions Survey (KWCS), our sample consists of a total of 8,182 older workers aged 60 and over. Two main types of working patterns were included in day work or shift work, in which the shift work was divided into evening-shift or overnight-shift. Results from Generalized Linear Model analysis showed that older workers who did shift work were more likely to have poor mental health compared to those who did day work. Results from a moderating regression analysis showed that the quality of sleep moderated the relationship between evening-shift and mental health. Those who reported the average quality of sleep buffered against the negative effect of evening-shift on mental health compared to those who reported worse quality of sleep. Findings suggest that it is necessary to minimize overnight-shift among older workers, and to offer day work or morning-shift considering the older adult’s circadian rhythm. In addition, promoting age-friendly working environment should be encouraged to improve mental health among older workers.
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KEYWORD
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Older Workers, Shift Work, Mental Health, Quality of Sleep, KWCS
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