Comparison 1. IPT versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 All‐cause mortality plus hospital admissions at 6 months	3	3160	Risk Ratio (M‐H, Fixed, 95% CI)	0.90 [0.71, 1.13]
1.1 Iron	2	1474	Risk Ratio (M‐H, Fixed, 95% CI)	0.96 [0.56, 1.67]
1.2 No iron	2	1686	Risk Ratio (M‐H, Fixed, 95% CI)	0.88 [0.68, 1.14]
2 Children with anaemia at 12 weeks	4	2237	Risk Ratio (M‐H, Fixed, 95% CI)	0.97 [0.88, 1.07]
2.1 Iron	4	1801	Risk Ratio (M‐H, Fixed, 95% CI)	0.87 [0.74, 1.02]
2.2 No iron	2	436	Risk Ratio (M‐H, Fixed, 95% CI)	1.09 [0.96, 1.23]
3 Mean change in Hb (baseline to 12 weeks)	4	1672	Mean Difference (IV, Fixed, 95% CI)	0.32 [0.19, 0.45]
3.1 Iron	3	1341	Mean Difference (IV, Fixed, 95% CI)	0.30 [0.15, 0.45]
3.2 No iron	2	331	Mean Difference (IV, Fixed, 95% CI)	0.38 [0.12, 0.65]
4 Mean Hb at 12 weeks	4	1672	Mean Difference (IV, Random, 95% CI)	0.35 [0.06, 0.64]
4.1 Iron	3	1341	Mean Difference (IV, Random, 95% CI)	0.24 [0.08, 0.40]
4.2 No iron	2	331	Mean Difference (IV, Random, 95% CI)	0.57 [‐0.10, 1.23]