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Randomized Controlled Trial
. 2011 Jan;40(1):33-8.
doi: 10.1016/j.amepre.2010.09.029.

Video game play, child diet, and physical activity behavior change a randomized clinical trial

Tom Baranowski  1 , Janice Baranowski, Debbe Thompson, Richard Buday, Russ Jago, Melissa Juliano Griffith, Noemi Islam, Nga Nguyen, Kathleen B Watson
Affiliations
Randomized Controlled Trial

Video game play, child diet, and physical activity behavior change a randomized clinical trial

Tom Baranowski et al. Am J Prev Med. 2011 Jan.

Abstract

Background: Video games designed to promote behavior change are a promising venue to enable children to learn healthier behaviors.

Purpose: Evaluate outcome from playing "Escape from Diab" (Diab) and "Nanoswarm: Invasion from Inner Space" (Nano) video games on children's diet, physical activity, and adiposity.

Design: Two-group RCT; assessments occurred at baseline, immediately after Diab, immediately after Nano, and 2 months later. Data were collected in 2008-2009, and analyses were conducted in 2009-2010.

Setting/participants: 133 children aged 10-12 years, initially between 50th percentile and 95th percentile BMI.

Intervention: Treatment group played Diab and Nano in sequence. Control Group played diet and physical activity knowledge-based games on popular websites.

Main outcome measures: Servings of fruit, vegetable, and water; minutes of moderate to vigorous physical activity. At each point of assessment: 3 nonconsecutive days of 24-hour dietary recalls; 5 consecutive days of physical activity using accelerometers; and assessment of height, weight, waist circumference, and triceps skinfold.

Results: A repeated measures ANCOVA was conducted (analyzed in 2009-2010). Children playing these video games increased fruit and vegetable consumption by about 0.67 servings per day (p<0.018) but not water and moderate-to-vigorous physical activity, or body composition.

Conclusions: Playing Diab and Nano resulted in an increase in fruit and vegetable intake. Research is needed on the optimal design of video game components to maximize change.

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Figures

Figure 1
Figure 1
A CONSORT statement figure of loss of participants by point after initial recruitment
Figure 2
Figure 2
Density function graph of group difference in fruit and vegetable intake at Post-test 3 a The probability density function is between 0–1, where 0=0% probability and 1=100% probability
See this image and copyright information in PMC

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