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

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. This cross-...

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Bibliographic Details
Published in:BMC public health 2013-12, Vol.13 (1), p.1204-1204, Article 1204
Main Authors: Kim, Min-Ju, Son, Kuk-Hui, Park, Hyun-Young, Choi, Dong-Ju, Yoon, Chang-Hwan, Lee, Hea-Young, Cho, Eun-Young, Cho, Myeong-Chan
Format: Article
Language:English
Subjects:
Adult
Body Mass Index
Cross-Sectional Studies
Female
Health aspects
Humans
Medical research
Medicine, Experimental
Nurses
Nurses - statistics & numerical data
Obesity
Obesity - epidemiology
Obesity - etiology
Overweight - epidemiology
Overweight - etiology
Physiological aspects
Republic of Korea - epidemiology
Risk Factors
Shift work
Sleep disorders
Studies
Surveys
Surveys and Questionnaires
Variance analysis
Womens health
Work Schedule Tolerance
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Summary: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. 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. 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
ISSN:1471-2458
1471-2458
DOI:10.1186/1471-2458-13-1204