Individual versus group-based interventions: a systematic review and meta-analysis of physical activity, functional, psychosocial and health outcomes.

Nat Hum Behav · 2026 · PMC13290480 · PMID 41986740

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0.2490

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0.2490

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did not reach statistical significanceP = 0.249not close (p > 0.1)

Comparison of group-based and individual conditions on PA The difference in effect sizes for PA outcomes favoured group programmes, combined (positive signed effect), but the effect was small and did not reach statistical significance ( n = 22,042, k = 125, g = 0.086, SE = 0.074, P = 0.249, 95% CI (−0.061, 0.233); Fig. 2 ).

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