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Title: Adolescent television viewing and unhealthy snack food consumption: the mediating role of home availability of unhealthy snack foods
Authors: Pearson, Natalie
Biddle, Stuart J.H.
Williams, Lauren
Worsley, Anthony
Crawford, David
Ball, Kylie
Keywords: Television viewing
Energy-dense snack foods
Mediation
Home availability
Adolescents
Issue Date: 2014
Publisher: © The Authors. Published by Cambridge University Press (CUP)
Citation: PEARSON, N. ...et al., 2014. Adolescent television viewing and unhealthy snack food consumption: the mediating role of home availability of unhealthy snack foods. Public Health Nutrition, 17(2), pp. 317-323.
Abstract: Objective: To examine whether home availability of energy-dense snack foods mediates the association between television viewing (TV) 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 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 on reducing TV viewing behaviours of adolescents.
Description: This paper was accepted for publication on 29th October 2012:
Sponsor: This work was supported by the Australia Research Council (DP0452044), the William Buckland Foundation, a National Medical Research Council Senior Research Fellowship (47951
Version: Submitted for publication
DOI: 10.1017/S1368980012005204
URI: https://dspace.lboro.ac.uk/2134/20315
Publisher Link: http://dx.doi.org/10.1017/S1368980012005204
ISSN: 1368-9800
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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