Social media interventions for diet and exercise behaviours
a systematic review and meta-analysis of randomised controlled trials
Williams, G., Hamm, M.P., Shulhan, J., Vandermeer, B., & Hartling, L. (2014). Social media interventions for diet and exercise behaviours: a systematic review and meta-analysis of randomised controlled trials.
Objectives: To conduct a systematic review of randomised controlled trials (RCTs) examining the use of social media to promote healthy diet and exercise in the general population. Results: 22 studies were included. Participants were typically middle-aged Caucasian women of mid-to-high socioeconomic status. There were a variety of interventions, comparison groups and outcomes. All studies showed a decrease in programme usage throughout the intervention period. Overall, no significant differences were found for primary outcomes which varied across studies. Meta-analysis showed no significant differences in changes in physical activity and weight; however, pooled results from five studies showed a significant decrease in dietary fat consumption with social media. Conclusions: Social media may provide certain advantages for public health interventions; however, studies of social media interventions to date relating to healthy lifestyles tend to show low levels of participation and do not show significant differences between groups in key outcomes.
Social media interventions for diet and exercise behaviours : a systematic review and meta-analysis of randomised controlled trialsDownload PDF
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