Korean Journal of Family Medicine (가정의학회지)

The Korean Academy of Family Medicine (대한가정의학회)
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The Association Between Shift Work and Health Behavior: Findings from the Korean National Health and Nutrition Examination Survey

  • Bae, Myung-Ji (Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Song, Yun-Mi (Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Shin, Jin-Young (Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Choi, Bo-Young (Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Keum, Jung-Hyun (Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Lee, Eun-Ae (Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine)
  • Received : 2016.03.04
  • Accepted : 2016.06.27
  • Published : 2017.03.20
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Abstract

Background: Shift workers are increasing worldwide, and various negative health effects of shift work have been reported. This study aimed to evaluate the relationship between shift work and health behavior. Methods: This cross-sectional study included a total of 11,680 Korean adults (6,061 men and 5,619 women) aged ${\geq}20years$ old who participated in the Fifth Korean National Health and Nutrition Examination Survey, 2010-2012. Multiple logistic regression analysis was performed to evaluate the association between shift work and health behavior after adjusting for covariates. Results: In men, shift work was associated with an increased risk of inadequate sleep (odds ratio [OR], 1.18; 95% confidence interval [CI], 1.00 to 1.40) compared to day work. In women, shift work was associated with an increased risk of smoking (OR, 1.73; 95% CI, 1.34 to 2.22) and inadequate sleep (OR, 1.24; 95% CI, 1.05 to 1.47) compared to day work. In an age-stratified subgroup analysis, female shift workers aged ${\geq}50years$ old demonstrated an increased risk of smoking (OR, 5.55; 95% CI, 3.60 to 8.55), alcohol consumption (OR, 2.22; 95% CI, 1.53 to 3.23), and inadequate sleep (OR, 1.50; 95% CI, 1.10 to 2.05) compared to female day workers. Conclusion: Shift work is associated with worse health behavior, and this is most evident in women aged ${\geq}50years$. Targeted strategies to reduce the negative health effects of shift work should be implemented, with consideration of shift workers' demographic characteristics.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)

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