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Systematic review and meta-analysis of internet-delivered interventions providing personalized feedback for weight loss in overweight and obese adults

Research output: Contribution to journalArticle

A. Sherrington, J. J. Newham, R. Bell, A. Adamson, E. McColl, V. Araujo-Soares

Original languageEnglish
Pages (from-to)541-551
Number of pages11
JournalOBESITY REVIEWS
Volume17
Issue number6
Early online date7 Mar 2016
DOIs
Publication statusPublished - Jun 2016

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Abstract

BACKGROUND: Obesity levels continue to rise annually. Face-to-face weight loss consultations have previously identified mixed effectiveness and face high demand with limited resources. Therefore, alternative interventions, such as internet-delivered interventions, warrant further investigation. The aim was to assess whether internet-delivered weight loss interventions providing personalized feedback were more effective for weight loss in overweight and obese adults in comparison with control groups receiving no personalized feedback.

METHOD: Nine databases were searched, and 12 studies were identified that met all inclusion criteria.

RESULTS: Meta-analysis, identified participants receiving personalized feedback via internet-delivered interventions, had 2.13 kg mean difference (SMD) greater weight loss (and BMI change, waist circumference change and 5% weight loss) in comparison with control groups providing no personalized feedback. This was also true for results at 3 and 6-month time points but not for studies where interventions lasted ≥12 months.

CONCLUSION: This suggests that personalized feedback may be an important behaviour change technique (BCT) to incorporate within internet-delivered weight loss interventions. However, meta-analysis results revealed no differences between internet-delivered weight loss interventions with personalized feedback and control interventions ≥12 months. Further investigation into longer term internet-delivered interventions is required to examine how weight loss could be maintained. Future research examining which BCTs are most effective for internet-delivered weight loss interventions is suggested.

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