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J Aging Health. 2010 Dec;22(8):1235-55. doi: 10.1177/0898264310372780. Epub 2010 Jul 28.

Is sleep duration associated with obesity in older Australian adults?

Author information

1
University of Wollongong, New South Wales, Australia. cmagee@uow.edu.au.

Abstract

OBJECTIVES:

To investigate the relationship between sleep duration and obesity in older Australian adults.

METHOD:

Self-reported health data were collected through the 45 and Up Study. Multinomial logistic regression models were used to test the relationship between sleep duration and body mass index, controlling for a range of demographic and health-related variables.

RESULTS:

The sample included 45,325 Australian adults aged 55 to 95 years. The regression models demonstrated that short and long sleep were associated with obesity in 55- to 64-year-olds but not in those aged 65 years and above.

DISCUSSION:

The present results suggest that the relationships between sleep duration and obesity previously reported in young and middle-aged adults are not evident in older adults. The absence of these relationships could reflect a combination of age-related factors that impact on sleep and body composition.

PMID:
20668167
DOI:
10.1177/0898264310372780
[Indexed for MEDLINE]

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