Stranges, Saverio, Cappuccio, Francesco, Kandala, Ngianga-Bakwin, Miller, Michelle A., Taggart, Frances M., Kumari, Meena, Ferrie, Jane E., Shipley, Martin J., Brunner, Eric J. and Marmot, Michael G. (2008) 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, Vol.167 (No.3). pp. 321-329. doi:10.1093/aje/kwm302 ISSN 0002-9262.

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Abstract

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/m(2)) 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 (beta = 0.82 units, 95% confidence interval (CI): 0.38, 1.26) and waist circumference (beta = 1.88 cm, 95% CI: 0.64, 3.12), as well as an increased risk of obesity (odds ratio(adjusted) = 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 (beta = -0.06, 95% CI: -0.26, 0.14) or waist circumference (beta = 0.44, 95% CI: -0.23, 1.12), nor with the incidence of obesity (odds ratio(adjusted) = 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.

Item Type:	Journal Article
Subjects:	Q Science > QP Physiology R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
Divisions:	Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences > Population, Evidence & Technologies (PET) > Warwick Evidence Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Biomedical Sciences > Translational & Experimental Medicine > Metabolic and Vascular Health (- until July 2016) Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School
Library of Congress Subject Headings (LCSH):	Sleep -- Research, Obesity, Obesity -- Physiological effect -- Analysis, Body weight, Body mass index
Journal or Publication Title:	American Journal of Epidemiology
Publisher:	Oxford University Press
ISSN:	0002-9262
Official Date:	1 February 2008
Dates:	Date Event 1 February 2008 Published
Volume:	Vol.167
Number:	No.3
Number of Pages:	9
Page Range:	pp. 321-329
DOI:	10.1093/aje/kwm302
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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