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) | ||
Physical activity interventions vs control ‐ setting | 1 | −0.20 (−0.30 to −0.10) | No change to datab |
· School | 1 | −0.20 (−0.30 to −0.10) | No change to datab |
Duration | 1 | −0.20 (−0.30 to −0.10) | No change to datab |
Duration of intervention ≤ 12 months | 1 | −0.20 (−0.30 to −0.10) | No change to datab |
DPA vs control ‐ setting | 6 | 0.01 (−0.05 to 0.07) | No change to datab |
· Home | 1 | 0.06 (−0.13 to 0.26) | No change to datab |
· School | 5 | 0.00 (−0.06 to 0.06) | No change to datab |
Duration | 6 | 0.01 (−0.05 to 0.07) | No change to datab |
· Duration of intervention ≤ 12 months | 3 | −0.09 (−0.18 to 0.00) | No change to datab |
· Duration of intervention > 12 months | 3 | 0.01 (−0.02 to 0.04) | No change to datab |
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 |