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Adolescent television viewing and unhealthy snack food consumption: the mediating role of home availability of unhealthy snack foods

Pearson, Natalie, Biddle, Stuart, Williams, Lauren, Worsley, Anthony, Crawford, David and Ball, Kylie 2014, Adolescent television viewing and unhealthy snack food consumption: the mediating role of home availability of unhealthy snack foods, Public Health Nutrition, vol. 17, no. 2, pp. 317-323.

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Title Adolescent television viewing and unhealthy snack food consumption: the mediating role of home availability of unhealthy snack foods
Author(s) Pearson, Natalie
Biddle, Stuart
Williams, Lauren
Worsley, Anthony
Crawford, David
Ball, Kylie
Journal name Public Health Nutrition
Volume number 17
Issue number 2
Start page 317
End page 323
Total pages 7
Publisher Cambridge University Press
Place of publication Cambridge, UK
Publication date 2014
ISSN 1368-9800
Keyword(s) Television viewing
Energy-dense snack foods
Mediation
Home availability
Adolescents
Summary Objective
To examine whether home availability of energy-dense snack foods mediates the association between television (TV) viewing and energy-dense snack consumption among adolescents.

Design

Cross-sectional.

Setting
Secondary schools in Victoria, Australia.

Subjects
Adolescents (n 2984) from Years 7 and 9 of secondary school completed a web-based survey, between September 2004 and July 2005, assessing their energy-dense snack food consumption, school-day and weekend-day TV viewing and home availability of energy-dense snack foods.

Results
School-day and weekend-day TV viewing were positively associated with energy-dense snack consumption among adolescent boys (β = 0·003, P < 0·001) and girls (β = 0·03, P < 0·001). Furthermore, TV viewing (school day and weekend day) were positively associated with home availability of energy-dense snack foods among adolescent boys and girls and home availability of energy-dense snack foods was positively associated with energy-dense snack food consumption among boys (β = 0·26, P < 0·001) and girls (β = 0·28, P < 0·001). Home availability partly mediated the association between TV viewing and energy-dense snack consumption.

Conclusions
The results of the present study suggest that TV viewing has a significant role to play in adolescent unhealthy eating behaviours. Future research should assess the efficacy of methods to reduce adolescent energy-dense snack food consumption by targeting parents to reduce home availability of energy-dense foods and by reducing TV viewing behaviours of adolescents.
Language eng
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
Socio Economic Objective 920411 Nutrition
HERDC Research category C1 Refereed article in a scholarly journal
Restricted until 2015
Copyright notice ©2014, Cambridge University Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30061556

Document type: Journal Article
Collections: School of Exercise and Nutrition Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.