Comparison 5. Sensitivity analysis ICC 0.10: low‐ and middle‐income countries: feeding vs control. CBA.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Weight gain (kg)	7	1784	Mean Difference (IV, Random, 95% CI)	0.25 [0.11, 0.39]
1.1 Subgroup analysis by age: < 12 months	6	722	Mean Difference (IV, Random, 95% CI)	0.16 [‐0.04, 0.36]
1.2 Subgroup analysis by age: 1 year	4	330	Mean Difference (IV, Random, 95% CI)	0.22 [‐0.07, 0.51]
1.3 Subgroup analysis by age: 2 years	3	186	Mean Difference (IV, Random, 95% CI)	0.54 [0.23, 0.86]
1.4 Subgroup analysis by age: > 2 years	3	546	Mean Difference (IV, Random, 95% CI)	0.27 [‐0.08, 0.62]
2 Height gain (cm)	7	1782	Mean Difference (IV, Random, 95% CI)	0.57 [0.06, 1.07]
2.1 Subgroup analysis by age: < 12 months	6	722	Mean Difference (IV, Random, 95% CI)	0.21 [‐0.90, 1.31]
2.2 Subgroup analysis by age: 1 year	4	330	Mean Difference (IV, Random, 95% CI)	0.80 [‐0.53, 2.13]
2.3 Subgroup analysis by age: 2 years	3	185	Mean Difference (IV, Random, 95% CI)	0.75 [‐0.48, 1.98]
2.4 Subgroup analysis by age: > 2 years	3	545	Mean Difference (IV, Random, 95% CI)	0.65 [‐0.22, 1.53]
3 WAZ scores	4	999	Mean Difference (IV, Random, 95% CI)	0.27 [‐0.15, 0.69]
4 HAZ scores	4	999	Mean Difference (IV, Random, 95% CI)	0.02 [‐0.10, 0.14]
5 WHZ scores	4	999	Mean Difference (IV, Random, 95% CI)	0.29 [‐0.11, 0.69]