Habitual active transport moderates the association of tv viewing time with body mass index

Sugiyama, Takemi, Merom, Dafna, Reeves, Marina, Leslie, Eva and Owen, Neville 2010, Habitual active transport moderates the association of tv viewing time with body mass index, Journal of physical activity & health, vol. 7, no. 1, pp. 11-16.

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Title Habitual active transport moderates the association of tv viewing time with body mass index
Author(s) Sugiyama, Takemi
Merom, Dafna
Reeves, Marina
Leslie, Eva
Owen, Neville
Journal name Journal of physical activity & health
Volume number 7
Issue number 1
Start page 11
End page 16
Publisher Human Kinetics
Place of publication Champaign, Ill.
Publication date 2010-01
ISSN 1543-3080
Keyword(s) walking
sedentary behavior
Summary Background: Television viewing time is associated with obesity risk independent of leisure-time physical activity (LTPA). However,
it is unknown whether the relationship of TV viewing time with body mass index (BMI) is moderated by other domains of physical activity. Methods: A mail survey collected height;weight; TV viewing time; physical activity for transportation (habitual transport behavior; past week walking and bicycling), for recreation (LTPA), and in workplace; and sociodemographic variables in Adelaide, Australia. General linear models examined whether physical activity domains moderate the association between BMI and TV viewing time. Results: Analysis of the sample (N = 1408) found that TV time, habitual transport, and LTPA were independently associated with participant’s BMI. The interaction between TV time and habitual transport with BMI was significant, while that between TV time and LTPA was not. Subgroup analyses found that adjusted mean BMI was significantly higher for the high TV viewing category, compared with the low category,
among participants who were inactive and occasionally active in transport, but not among those who were regularly active. Conclusions: Habitual active transport appeared to moderate the relationship between TV viewing time and BMI. Obesity risk associated with prolonged TV viewing may be mitigated by regular active transport.
Language eng
Field of Research 111712 Health Promotion
Socio Economic Objective 920401 Behaviour and Health
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2010, Human Kinetics, Inc.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30029336

Document type: Journal Article
Collection: School of Psychology
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