Association between shift work and obesity among female nurses: Korean Nurses’ Survey

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Association between shift work and obesity among female nurses: Korean Nurses’ Survey

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Title: Association between shift work and obesity among female nurses: Korean Nurses’ Survey
Author: Kim, Min-Ju; Son, Kuk-Hui; Park, Hyun-Young; Choi, Dong-Ju; Yoon, Chang-Hwan; Lee, Hea-Young; Cho, Eun-Young; Cho, Myeong-Chan

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Citation: Kim, Min-Ju, Kuk-Hui Son, Hyun-Young Park, Dong-Ju Choi, Chang-Hwan Yoon, Hea-Young Lee, Eun-Young Cho, and Myeong-Chan Cho. 2013. “Association between shift work and obesity among female nurses: Korean Nurses’ Survey.” BMC Public Health 13 (1): 1204. doi:10.1186/1471-2458-13-1204. http://dx.doi.org/10.1186/1471-2458-13-1204.
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Abstract: Background: Shift work has been hypothesized as a risk factor for obesity. In this study, we investigated the association between current shift work and body mass index (BMI) among female nurses in Korea. The relationship between duration of shift work and BMI of the participants was also evaluated. Methods: This cross-sectional survey evaluated participants in the Korean Nurses’ Survey, conducted from October to December 2011, using web-based self-administered questionnaires. A total of 9,989 nurses were included among 10,000 who registered on the survey web site (5,287 shift workers and 4,702 non-shift workers). Current shift workers were divided into tertiles of shift work duration (0.08–3.00 years, n = 1,732; 3.08–6.75 years, n = 1,731; and 6.83–38.00 years, n = 1,686). The BMI thresholds of overweight and obesity were ≥23 kg/m2 and ≥25 kg/m2, respectively. Data were analyzed using SPSS software. Results: Mean participant age was 33.2 ± 8.6 years and the mean BMI was 20.9 ± 2.5 kg/m2. There were statistically significant differences in current smoking status, regular drinking habit, dietary habits, regular exercise, sleep problems and self-perceived health status according to duration of shift work. The overall prevalence of overweight/obesity (18.6%) and obesity (7.4%) increased significantly as shift work duration increased from the lowest to highest tertile (P for trend <0.001). Multivariate logistic regression analysis revealed no association between current shift work and BMI. However, after adjusting for potential confounders, the participants with the longest duration of shift work were 1.63 (95% CI, 1.22–2.17) times more likely to be overweight or obese than those with the shortest duration. There was a significant positive association between obesity and shift work duration in the unadjusted analysis; however, it was attenuated and no longer significant in the multivariate model. Conclusions: The duration of shift work was positively associated with prevalence of overweight/obesity in nurses in Korea. Although these findings need to be confirmed in prospective studies, they suggest that special attention should be paid to female nurses with a long duration of shift work.
Published Version: doi:10.1186/1471-2458-13-1204
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3878177/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:11879718
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