The effectiveness of social-support-based weight-loss interventions—a systematic review and meta-analysis
Authors' conclusion
There seem to be a significant effect at the end of intervention and 3- and 6-month follow-up. However, further high-quality studies are needed before drawing any clear conclusions.
Study context
- Population
- Adults with BMI ≥ 25 (excess weight or obesity)
- Participants
- 4,919 adults24 trials
- Comparison
- Social-support-based weight-loss interventions
- Outcome
- Weight loss
- Follow-up
- 2-4-month assessment, 6-month assessment, end of intervention, and 3- and 6-month follow-up
Methodological detailsCochrane Risk-of-Bias2 tool, five meta-analyses at different assessment times, Databases searched: MEDLINE, Embase, PsycINFO, CINAHL, Cochrane, PubMed
- Cochrane Risk-of-Bias2 tool
- Five meta-analyses at different assessment times
- Databases searched: MEDLINE, Embase, PsycINFO, CINAHL, Cochrane, PubMed
Pooled result
As reported in the abstract
End of intervention: significant effect
95% CI 0.39
p = 0.04
3-month follow-up: significant effect
95% CI 0.63
p < 0.01
6-month follow-up: significant effect
95% CI 0.34
p = 0.05
Original publication
The effectiveness of social-support-based weight-loss interventions—a systematic review and meta-analysis. Int J Obes (Lond). Published 8 February 2024. doi:10.
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