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Television viewing and abdominal obesity in young adults: is the association mediated by food and beverage consumption during viewing time or reduced leisure time physical activity?

Citation

Cleland, V and Schmidt, MD and Dwyer, T and Venn, A, Television viewing and abdominal obesity in young adults: is the association mediated by food and beverage consumption during viewing time or reduced leisure time physical activity?, American Journal of Clinical Nutrition, 87, (5) pp. 1148-1155. ISSN 0002-9165 (2008) [Refereed Article]

Abstract

Background: The behavioral pathways through which television (TV) viewing leads to increased adiposity in adults are unclear. Objective: We wanted to determine whether the association between TV viewing and abdominal obesity in young adults is mediated by food and beverage consumption during TV viewing time or by a reduction in overall leisure-time physical activity (LTPA). Design: This study involved a cross-sectional analysis of data from 2001 Australian adults aged 26-36 y. Waist circumference (WC) was measured at study clinics, and TV viewing time, frequency of food and beverage consumption during TV viewing, LTPA, and demographic characteristics were self-reported. Results: Women watching TV >3 h/d had a higher prevalence of severe abdominal obesity (WC: ≥88 cm) compared with women watching ≤1 h/d [prevalence ratio (PR): 1.89; 95% CI: 1.32, 2.71]. Moderate abdominal obesity (WC: 94-101.9 cm) was more prevalent in men watching TV >3 h/d than in men watching ≤1 h/d (PR: 2.16; 95% CI: 1.37, 3.41). Adjustment for LTPA made little difference, but adjustment for food and beverage consumption during TV viewing attenuated the associations (PR: 1.48; 95% CI: 1.01, 2.17 for women; PR: 1.73; 95% CI: 1.06, 2.83 for men). Conclusions: The association between TV viewing and WC in young adults may be partially explained by food and beverage consumption during TV viewing but was not explained by a reduction in overall LTPA. Other behaviors likely contribute to the association between TV viewing and obesity. © 2008 American Society for Nutrition.

Item Details

Item Type:Refereed Article
Research Division:Medical and Health Sciences
Research Group:Public Health and Health Services
Research Field:Epidemiology
Objective Division:Health
Objective Group:Public Health (excl. Specific Population Health)
Objective Field:Behaviour and Health
Author:Cleland, V (Dr Verity Cleland)
Author:Schmidt, MD (Dr Michael Schmidt)
Author:Venn, A (Professor Alison Venn)
ID Code:52101
Year Published:2008
Funding Support:National Health and Medical Research Council (211316)
Web of Science® Times Cited:97
Deposited By:Menzies Institute for Medical Research
Deposited On:2008-05-30
Last Modified:2009-04-21
Downloads:0

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