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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Cross-sectional versus prospective associations of sleep duration with changes in relative weight and body fat distribution: The Whitehall II study
American Journal of Epidemiology, Volume 167, No. 3, Year 2008
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Description
A cross-sectional relation between short sleep and obesity has not been confirmed prospectively. The authors examined the relation between sleep duration and changes in body mass index and waist circumference using the Whitehall II Study, a prospective cohort of 10,308 white-collar British civil servants aged 35-55 years in 1985-1988. Data were gathered in 1997-1999 and 2003-2004. Sleep duration and other covariates were assessed. Changes in body mass index and waist circumference were assessed between the two phases. The incidence of obesity (body mass index: ≥30 kg/m2) was assessed among nonobese participants at baseline. In cross-sectional analyses (n = 5,021), there were significant, inverse associations (p < 0.001) between duration of sleep and both body mass index and waist circumference. Compared with 7 hours of sleep, a short duration of sleep (≤5 hours) was associated with higher body mass index (β = 0.82 units, 95% confidence interval (CI): 0.38, 1.26) and waist circumference (β = 1.88 cm, 95% CI: 0.64, 3.12), as well as an increased risk of obesity (odds ratioadjusted = 1.65, 95% CI: 1.22, 2.24). In prospective analyses, a short duration of sleep was not associated with significant changes in body mass index (β = -0.06, 95% CI: -0.26, 0.14) or waist circumference (β = 0.44, 95% CI: -0.23, 1.12), nor with the incidence of obesity (odds ratioadjusted = 1.05, 95% CI: 0.60, 1.82). There is no temporal relation between short duration of sleep and future changes in measures of body weight and central adiposity. © The Author 2007. Published by the Johns Hopkins Bloomberg School of Public Health. All rights reserved.
Authors & Co-Authors
Stranges, S.
United Kingdom, Coventry
Warwick Medical School
Cappuccio, Francesco Paolo
United Kingdom, Coventry
Warwick Medical School
United Kingdom, Coventry
University Hospital Coventry
Kandala, Ngianga Bakwin
United Kingdom, Coventry
Warwick Medical School
Taggart, Frances M.
United Kingdom, Coventry
Warwick Medical School
Kumari, Meena
United Kingdom, London
Ucl Medical School
Ferrie, Jane Elizabeth
United Kingdom, London
Ucl Medical School
Brunner, Eric John
United Kingdom, London
Ucl Medical School
Marmot, M. G.
United Kingdom, London
Ucl Medical School
Statistics
Citations: 147
Authors: 8
Affiliations: 3
Identifiers
Doi:
10.1093/aje/kwm302
ISSN:
00029262
Research Areas
Noncommunicable Diseases
Study Design
Cross Sectional Study
Cohort Study