| Shortened sleep duration does not predict obesity in adolescents. | |
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MedLine Citation:
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PMID: 20545836 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Obesity continues to be a major public health issue. In adolescents, there are limited studies on the relationship between obesity and sleep duration. We found hypothesized that an average sleep duration of <6 h in adolescents was associated with obesity. Data were from the National Longitudinal Study of Adolescent Health (ADD Health); a survey of 90,000 youths, aged 12-18 years; surveyed in several waves. The sample population for our study was 13,568. Weighted multiple logistic regression was used to identify the relationship between obesity at Wave II and sleep duration, having adjusted for skipping breakfast ≥ 2/week; race, gender, parental income, TV ≥ 2 h per day, depression, and obesity at Wave I. At Wave I, the mean age was 15.96 ± 0.11 years; mean sleep hours were 7.91 ± 0.04. At Waves I and II, respectively, 10.6 and 11.2% of adolescents were obese. Adjusted analyses suggest that the effect of shortened sleep duration in Wave I was not significantly predictive of obesity in Wave II (P < 0.218). Longitudinally, depression and TV ≥ 2 h per day at Wave I was associated with a higher risk of obesity at Wave II in adjusted analyses. Depressed adolescents were almost twice as likely to be obese (OR = 1.84, 95% CI = 1.25-2.72); adolescents who watched TV ≥ 2 h per day were 37% more likely to be obese (OR = 1.37, 95% CI = 1.09-1.72). Environmental factors including TV ≥ 2 h per day and depression were significantly associated with obesity; shortened sleep duration was not. Future longitudinal studies in adolescents are needed to determine whether timing of television watching directly influences sleep patterns and, ultimately, obesity. |
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Authors:
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Christina J Calamaro; Sunhee Park; Thornton B A Mason; Carole L Marcus; Terri E Weaver; Allan Pack; Sarah J Ratcliffe |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural |
Journal Detail:
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Title: Journal of sleep research Volume: 19 ISSN: 1365-2869 ISO Abbreviation: J Sleep Res Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-10-27 Completed Date: 2011-02-25 Revised Date: 2012-11-19 |
Medline Journal Info:
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Nlm Unique ID: 9214441 Medline TA: J Sleep Res Country: England |
Other Details:
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Languages: eng Pagination: 559-66 Citation Subset: IM |
Copyright Information:
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© 2010 European Sleep Research Society. |
Affiliation:
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School of Nursing, University of Maryland, Baltimore, MD 21201-1579, USA. calamaro@son.umaryland.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Age Factors Continental Population Groups Feeding Behavior / physiology Female Humans Logistic Models Longitudinal Studies Male Motor Activity / physiology Nutritional Status / physiology Obesity / etiology*, physiopathology Sex Factors Sleep / physiology Sleep Deprivation / complications*, physiopathology United States |
| Grant Support | |
ID/Acronym/Agency:
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5-T32-HL07953-03/HL/NHLBI NIH HHS; T32 HL007953/HL/NHLBI NIH HHS; T32 HL007953-03/HL/NHLBI NIH HHS |
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