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KMID : 0358520100220030200
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Korean Journal of Occupational and Environmental Medicine
2010 Volume.22 No. 3 p.200 ~ p.209
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The Effect of Shift Work on the Level of Self-Rated Health
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Noh Dae-Hee
Wang Jong-Ho
Choi Hyun-Rim
Lim Sin-Ye
Kim Keun-Whoe
Won Chang-Won
Jung-Choi Kyunghee
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Abstract
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Objectives: The present study was designed to determine the characteristics of shift work and the relationship between shift work and the level of self-rated health using the Korean Labor and Income Panel Study (KLIPS) data, which represents urban households in Korea.
Methods: Using the 9th wave of KLIPS, this study analyzed 2,087 male workers aged 25 to 64 years; participants missing data were excluded from analysis. To determine the impact of shift work on the level of self-rated health, logistic regression analysis was applied that controlled for socio-demographic characteristics, labor environment, and health-related behaviors.
Results:Shift workers comprised 13.4% of study subjects overall. The majority(69.2%) of participants were in 2-teams and in 2-shifts. Week 1 shift cycle changes were the highest, 56.3%. The risk of poor self-rated health was not significantly higher among shift workers compared to non-shift workers (OR=1.08, 95% CI=0.79~1.48). When divided by tenure, shift workers with more than 10-years experience (OR=1.79, 95% CI=0.91~3.50) tended to show greater risk than non-shift workers at marginal significance.
Conclusions:In the present study, a significantly higher risk of self-rated poor health among shift workers was not observed. However, shift workers with more than 10-years experience tended to show increased health risk compared to non-shift workers. Further studies are required to determine time-series data and to consider both healthy worker effect and information bias.
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KEYWORD
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Shift work, Self-rated health
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