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J Health Commun. 2017 Mar;22(3):223-233. doi: 10.1080/10810730.2016.1271065. Epub 2017 Feb 16.

Are Social Networking Sites Making Health Behavior Change Interventions More Effective? A Meta-Analytic Review.

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a Annenberg School for Communication , University of Pennsylvania , Philadelphia , Pennsylvania , USA.


The increasing popularity of social networking sites (SNSs) has drawn scholarly attention in recent years, and a large amount of efforts have been made in applying SNSs to health behavior change interventions. However, these interventions showed mixed results, with a large variance of effect sizes in Cohen's d ranging from -1.17 to 1.28. To provide a better understanding of SNS-based interventions' effectiveness, a meta-analysis of 21 studies examining the effects of health interventions using SNS was conducted. Results indicated that health behavior change interventions using SNS are effective in general, but the effects were moderated by health topic, methodological features, and participant features. Theoretical and practical implications of findings are discussed.

[Indexed for MEDLINE]

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