Ann Occup Environ Med.
2013 ;25(1):41.
Association between Workplace Risk Factor Exposure and Sleep Disturbance: Analysis of the 2nd Korean Working Conditions Survey
- Affiliations
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- 1Department of Occupational and Environmental Medicine, Inha University Hospital, Incheon, South Korea. carpediem@inha.ac.kr
- 2Department of Preventive Medicine, Institute of Occupational & Environmental Medicine, Yonsei University Wonju College of Medicine, Wonju, South Korea.
- 3Department of Occupational and Environmental Medicine, Inha University School of Medicine, Incheon, South Korea.
- 4Occupational Safety and Health Research Institute, KOSHA, Incheon, South Korea.
Abstract
OBJECTIVES
Sleep is essential for human beings to live and work properly. This study was conducted to investigate the relationship between occupational exposures to workplace risk factors and sleep disturbance in Korean workers.
METHODS
The data were drawn from the second Korean Working Conditions Survey (KWCS); a total of 7,112 paid workers were analyzed. The independent variables were occupational exposures such as physical, chemical, biological, and psychosocial risk factor in the workplace, and psychosocial risk factor was divided into five categories (job demand, job control, social support, job insecurity, lack of reward). We estimated the relationship between various occupational exposures and sleep disturbance using multivariate logistic regression analysis.
RESULTS
The results showed that people who exposed to physical, chemical, biological, and psychosocial (high job demand, inadequate social support, lack of reward) risk factors were more likely to increase the risk of sleep disturbance. Furthermore, after adjusting for general and occupational characteristics, we found significant positive associations between exposures to physical (odds ratios [OR] 1.47, 95% confidence interval [CI] 1.05-2.07) and psychosocial (high job demand (OR 2.93, 95% CI 2.16-3.98), inadequate social support (OR 1.57, 95% CI 1.14-2.15), lack of reward (OR 1.45, 95% CI 1.08-1.96)) risk factors and sleep disturbance.
CONCLUSION
These results suggest that occupational exposures to physical and psychosocial workplace risk factors are significantly related to sleep disturbance.
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