Electronic Media and Beverage Intake Among United States High School Students-2010

Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, GA
Journal of nutrition education and behavior 06/2013; 45(6). DOI: 10.1016/j.jneb.2013.03.017
Source: PubMed


To describe electronic media exposure and its associations with beverage intake among United States high school students.
School-based survey data from a nationally representative sample of 9th- through 12th-grade students from the National Youth Physical Activity and Nutrition Study were analyzed using chi-square and multivariate logistic analyses.
On an average school day, 23.5% of students used a computer or played video/computer games ≥ 3 h/d, 28.3% watched television (TV) ≥ 3 h/d, 79.9% had ≥ 3 TVs in the home, 70.2% had a TV in their bedroom, and 41.0% most of the time or always had a TV on while eating dinner at home. Students with high media exposure were more likely to drink sugar-sweetened beverages ≥ 3 times per day and less likely to drink water ≥ 3 times per day and drink ≥ 2 glasses of milk per day.
Efforts to reduce sugar-sweetened beverage intake among adolescents may include limiting exposure to electronic media.

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    • "A few studies have looked at the *Address correspondence to this author at the School of Exercise Science, Physical and Health Education, University of Victoria, PO Box 3015 STN CSC, Victoria, BC V8W 3P1, Canada; Tel: 250-721-7844; Fax: 250-721-6601; E-mail: relationship between dietary behaviours and combined TV/ video viewing [12] [13] [14] [15], combined computer/video game time [16], combined TV/video viewing/computer time [17] [18] [19] or " sedentary time " that includes combinations of television, video game, computer, sitting and homework time [17] [20] [21] [22] [23]. There is, however a paucity of research on the relationships between dietary behaviours and screen time activities other than television. "
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    ABSTRACT: Increased screen-time has been linked to unhealthy dietary practices but most studies have looked primarily at television viewing or an amalgam. Therefore the purpose of this study was to investigate the relationship between specific screen-time (TV, computer, video game) and a selection of healthy dietary intake measures (calories, carbohydrate, fat, sugar, fruit, vegetables, fibre and sugar-sweetened beverages (SSB)) in a group of Canadian children. We used single day sedentary and dietary recalls to assess sedentary behaviour and diet in 1423 children (9.90 (0.58) y; 737 girls, 686 boys) from the Action Schools! BC Dissemination study. Correlations and multiple regression analyses were used to explore sedentary behaviour-diet relationships. TV and video game use were correlated with higher calories, fat, sugar and SSB consumption (r = 0.07 to 0.09; p <.01) and lower fibre intake (r =-0.05 to-0.06; p <.05). TV use was also correlated with lower fruit and vegetable intake. Regression analyses showed that when controlling for other variables, only TV and video game use predicted sugar and SSB consumption (=.06 to.08; p <.05). Computer use was correlated with calories but did not significantly predict any of the measures of dietary intake. Although screen time was significantly associated with less healthy eating profiles, it did not account for much variance in dietary behaviour of these children.
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    Journal of Nutrition Education and Behavior 03/2015; 47(2):120-126.e1. DOI:10.1016/j.jneb.2014.11.005 · 1.77 Impact Factor
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    ABSTRACT: Having a TV in the bedroom is associated with adiposity in children. It is not known how lifestyle behaviours (television viewing time, diet patterns, physical activity, and sleep duration) mediate this association. The objective of this study was to examine the mediating role of these lifestyle behaviours in the association between TV in the bedroom and percent body fat (% BF). Cross-sectional data from 1 201 children (57.3 % female; mean age = 9.8 years) from Ottawa, Canada and Baton Rouge, USA were examined. % BF was directly measured. Accelerometers were used to determine physical activity and sleep duration (24-h, 7-day protocol). Questionnaires were used to assess TV viewing time and healthy/unhealthy diet patterns (derived using factor analysis from food frequency questionnaire data). Canadian boys and girls with a TV in their bedroom had a higher % BF, watched more TV and had unhealthier diets. American boys and girls with a TV in their bedroom watched more TV, while boys had a higher % BF and a more unhealthy diet, and girls had less MVPA. In Canadian girls, TV viewing time mediated the association between having a TV in the bedroom and adiposity, independent of diet patterns, MVPA, and sleep duration. Other lifestyle mediators were not significant in Canadian boys or in US children. TV viewing is a mediating lifestyle behaviour in the association between TV in the bedroom and adiposity in Canadian girls. Future research is needed to identify lifestyle behaviours as intermediate mediators.
    International Journal of Behavioral Nutrition and Physical Activity 05/2015; 12(1):60. DOI:10.1186/s12966-015-0221-5 · 4.11 Impact Factor