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Habitual active transport, TV viewing and weight gain: A four year follow-up study
Ding, Ding Sugiyama, Takemi Owen, Neville
Ding, Ding
Sugiyama, Takemi
Owen, Neville
Abstract
Objectives: To examine the associations of TV viewing time and domain-specific physical activity with weight change; to determine whether domain-specific physical activity moderates the potential association of TV viewing time with weight change. Methods: We used four-year longitudinal data (baseline: 2003–2004, follow-up: 2007–2008) on 969 adults from selected neighborhoods in Adelaide, Australia (Age: 48.6 ± 10.6 years, 61% females). Mixed models examined four-year weight change as the dependent variable, with TV viewing time, habitual transport and past week domain-specific physical activity at baseline as independent variables. Results: On average, participants gained 1.6 kg over four years. TV viewing time at baseline was positively associated with weight gain at follow-up. Each additional hour of TV viewing was associated with 0.24–0.27 kg of extra weight gain. This relationship was not moderated by recent recall of transport, leisure-time, and occupational physical activity, but was moderated by habitual transport: an additional hour of TV viewing time at baseline was significantly associated with an extra weight gain of 0.65 kg at follow-up among those who were inactive in everyday transport; TV time was not significantly associated with weight change among those who were regularly active in transport. Conclusion: Habitual active transport may protect adults against risk of weight gain associated with prolonged TV viewing time.
Keywords
sedentary behavior, television viewing, physical activity, commuting, obesity, weight gain
Date
2012
Type
Journal article
Journal
Preventive Medicine
Book
Volume
54
Issue
3-4
Page Range
201-204
Article Number
ACU Department
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Event URL
Open Access Status
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Controlled