Comparison 3. Diet and physical activity interventions versus control: age 0‐5 years.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
3.1 zBMI. Diet and physical activity vs control ‐ setting	16	6261	Mean Difference (IV, Random, 95% CI)	‐0.07 [‐0.14, ‐0.01]
3.1.1 Childcare/preschool	10	4913	Mean Difference (IV, Random, 95% CI)	‐0.04 [‐0.09, 0.01]
3.1.2 Health system	1	121	Mean Difference (IV, Random, 95% CI)	‐0.24 [‐0.46, ‐0.02]
3.1.3 Wider community	2	632	Mean Difference (IV, Random, 95% CI)	‐0.02 [‐0.13, 0.09]
3.1.4 Home	3	595	Mean Difference (IV, Random, 95% CI)	‐0.13 [‐0.35, 0.09]
3.2 zBMI. Diet and physical activity vs control ‐ duration	16	6261	Mean Difference (IV, Random, 95% CI)	‐0.07 [‐0.14, ‐0.01]
3.2.1 Duration of intervention ≤ 12 months	13	4235	Mean Difference (IV, Random, 95% CI)	‐0.09 [‐0.17, ‐0.01]
3.2.2 Duration of intervention > 12 months	3	2026	Mean Difference (IV, Random, 95% CI)	‐0.02 [‐0.09, 0.06]
3.3 BMI. Diet and physical activity vs control ‐ setting	11	5536	Mean Difference (IV, Random, 95% CI)	‐0.11 [‐0.21, ‐0.00]
3.3.1 Home	2	778	Mean Difference (IV, Random, 95% CI)	‐0.33 [‐0.55, ‐0.10]
3.3.2 Wider community	1	75	Mean Difference (IV, Random, 95% CI)	‐0.59 [‐0.94, ‐0.24]
3.3.3 Childcare/preschool	8	4683	Mean Difference (IV, Random, 95% CI)	‐0.05 [‐0.14, 0.05]
3.4 BMI. Diet and physical activity vs control ‐ duration	11	5536	Mean Difference (IV, Random, 95% CI)	‐0.11 [‐0.21, ‐0.00]
3.4.1 Duration of intervention > 12 months	1	667	Mean Difference (IV, Random, 95% CI)	‐0.29 [‐0.56, ‐0.02]
3.4.2 Duration of intervention ≤ 12 months	10	4869	Mean Difference (IV, Random, 95% CI)	‐0.09 [‐0.20, 0.01]