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State of the Art Reviews: Using the Internet to Promote Physical Activity and Healthy Eating in Youth

Department of Exercise and Health Sciences, University of Massachusetts Boston, jessica.whiteley{at}umb.edu

Bruce W. Bailey, PhD

Department of Exercise and Health Sciences, University of Massachusetts Boston

Kyle J. McInnis, ScD

Department of Exercise and Health Sciences, University of Massachusetts Boston

The prevalence of overweight children and adolescents is increasing at alarming rates. Since 1980, the prevalence of overweight among children aged 6 to 11 years has more than doubled and more than tripled among adolescents aged 12 to 19. Innovative, effective weight loss strategies that effectively promote healthy eating and physical activity are needed to address this obesity epidemic. The Internet may prove to be an effective means of reaching youth to reduce overweight and, ideally, prevent weight gain. This article reviews the available literature of Internet-based interventions promoting healthy eating, physical activity, and/ or weight loss in school, home, camp, and medical settings. Findings show that few examples of well-designed trials exist in the youth literature. However, several studies show promise for the use of the Internet. It is recommended that future trials use adequate sample sizes, randomized designs, objective measures, boys and girls, health disparity youth, longer intervention periods (at least 16 weeks), long-term follow-up, theory-based skill building (eg, tracking of behavior, goal setting, feedback, increasing social support), the involvement of parents or caretakers, and improved means for sustaining interest and use in the site over time.

Key Words: Internet • children • adolescents • diet • physical activity • weight loss

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