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Ann Epidemiol. 2010 Dec;20(12):883-9. doi: 10.1016/j.annepidem.2010.05.002.

Short sleep duration is associated with the development of impaired fasting glucose: the Western New York Health Study.

Author information

  • 1Department of Family Medicine, School of Medicine and Biomedical Sciences, State University of New York, Buffalo, USA. rafalson@buffalo.edu

Abstract

PURPOSE:

To examine whether sleep duration was associated with incident-impaired fasting glucose (IFG) over 6 years of follow-up in the Western New York Health Study.

METHODS:

Participants (N = 1,455, 68% response rate) who were free of type 2 diabetes and known cardiovascular disease at baseline (1996-2001) were reexamined in the period 2003-2004. A nested case-control study was conducted. Cases had fasting plasma glucose (FPG) less than 100 mg/dL at baseline and 100 to 125 mg/dL at follow-up: controls (n = 272) had FPG less than 100 mg/dL at both exams. Cases (n = 91) were individually matched to three controls (n = 272) on sex, race, and year of study enrollment. Average sleep duration was categorized as short (<6 hours), mid-range (6 to 8 hours), and long (>8 hours).

RESULTS:

In multivariate conditional logistic regression after adjustment for several diabetes risk factors, the odds ratio (OR) of IFG among short sleepers was 3.0 (95% confidence limit [CL]: 1.05, 8.59) compared to mid-range sleepers. There was no association between long sleep and IFG: OR 1.6 (95% CL: 0.45, 5.42). Adjustment for insulin resistance attenuated the association only among short sleepers: OR 2.5 (95% CL: 0.83, 7.46).

CONCLUSIONS:

Short sleep duration was associated with an elevated risk of IFG. Insulin resistance appears to mediate this association.

Copyright © 2010 Elsevier Inc. All rights reserved.

PMID:
20620078
[PubMed - indexed for MEDLINE]
PMCID:
PMC2962429
Free PMC Article
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