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

被引：37

作者：

Pearson, Natalie ^{[1
,2
]}

Biddle, Stuart J. H. ^{[1
]}

Williams, Lauren ^{[3
]}

Worsley, Anthony ^{[2
]}

Crawford, David ^{[2
]}

Ball, Kylie ^{[2
]}

机构：

[1] Univ Loughborough, Sch Sport Exercise & Hlth Sci, Loughborough LE11 3TU, Leics, England

[2] Deakin Univ, Sch Exercise & Nutr Sci, Ctr Phys Act & Nutr Res, Burwood, Australia

[3] Murdoch Childrens Res Inst, Melbourne, Vic, Australia

来源：

PUBLIC HEALTH NUTRITION | 2014年 / 17卷 / 02期

基金：

澳大利亚研究理事会; 英国医学研究理事会;

关键词：

Television viewing; Energy-dense snack foods; Mediation; Home availability; Adolescents; SEDENTARY BEHAVIOR; PHYSICAL-ACTIVITY; ENERGY-BALANCE; CHILDREN; PATTERNS; OBESITY; PREVALENCE; PREDICTORS; TRENDS; TRIALS;

D O I：

10.1017/S1368980012005204

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

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 (beta = 0.003, P< 0.001) and girls (beta= 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 (beta= 0.26, P< 0.001) and girls (beta= 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.

引用

页码：317 / 323

页数：7

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