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is the association mediated by food and beverage consumption during viewing time or reduced leisure-time physical activity?

April 26, 2017Association beverage consumption food leisure-time MEDIATED physical reduced time viewing

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is the association mediated by food and beverage consumption during viewing time or reduced leisure-time physical activity?

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GROUND: 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: > or = 88 cm) compared with women watching < or = 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 < or = 1 h/d (