| Comparison/subgroup | Number of RCTs | Pooled effect sizes not adjusted | Pooled effect sizes adjusted with ICC 0.04a |
| MD (IV, random, 95% CI) | MD (IV, random, 95% CI) | ||
| All interventions vs control | 21 | −0.07 (−0.12 to −0.01) | −0.07 (−0.12 to −0.01) |
| · Dietary intervention | 1 | −0.14 (−0.32 to 0.04) | −0.14 (−0.32 to 0.04) |
| · Physical activity intervention | 4 | 0.01 (−0.10 to 0.13) | 0.01 (−0.10 to 0.13) |
| · Diet and physical activity intervention | 16 | −0.07 (−0.13 to −0.01) | −0.07 (−0.14 to −0.01) |
| CI: confidence interval; ICC: intracluster correlation coefficient; IV: generic inverse variance; MD: mean difference; Random: random‐effects model; RCT: randomised controlled trial; zBMI: body‐mass index z score | |||
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