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The association between sleep duration and general and abdominal obesity in Koreans: data from the Korean National Health and Nutrition Examination Survey, 2001 and 2005.

Authors
Park, SE; Kim, HM; Kim, DH; Kim, J; Cha, BS; Kim, DJ
Citation
Obesity (Silver Spring, Md.), 17(4):767-771, 2009
Journal Title
Obesity (Silver Spring, Md.)
ISSN
1930-73811930-739X
Abstract
This study aimed to investigate the association between self-reported sleep duration and general and abdominal obesity in Korean adults. A total of 8,717 adults aged 20-65 years from the Korean National Health and Nutrition Examination Survey (KNHANES) 2001 and 2005 were included. General obesity was defined as BMI >or=25 kg/m(2) and abdominal obesity as waist circumference >or=90 cm in men and >or=85 cm in women. To control for sociodemographic and lifestyle factors and comorbidities, multivariable logistic regression was used to calculate the adjusted odds ratios (ORs) and 95% confidence intervals (CIs) of general and abdominal obesity across the following sleep duration categories: <or=5, 6, 7, 8, and >or=9 h/day. Mean sleep duration (+/-s.d.) was 6.9 +/- 1.3 h. Those sleeping <or=5 h/day had the highest BMI and waist circumference compared with those sleeping 7, 8, or >or=9 h/day (P < 0.05 for all comparisons). After controlling for sociodemographic and lifestyle factors, the adjusted ORs (95% CIs) associated with sleeping <or=5 h/day (vs. 7 h/day) were 1.25 (1.06-1.48) for general obesity and 1.24 (1.03-1.48) for abdominal obesity. Further adjustment for hypertension and diabetes mellitus did not significantly affect the associations. These data suggest that short sleep duration is significantly associated with a modest increase in general and abdominal obesity in Korean adults.
MeSH terms
Abdominal Fat*/physiopathologyAdultAgedBody Mass IndexCross-Sectional StudiesFemaleHealth SurveysHumansKoreaLogistic ModelsMaleMiddle AgedObesity/epidemiology*Obesity/ethnology*Obesity/physiopathologyOdds RatioPrevalenceRisk FactorsSleep Deprivation/complications*Sleep Deprivation/ethnology*Sleep Deprivation/physiopathologyWaist Circumference/physiology
DOI
10.1038/oby.2008.586
PMID
19180067
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Endocrinology & Metabolism
AJOU Authors
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