Comparison 1. Physical breastfeeding support interventions versus usual care.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Exclusive breastfeeding at 4‐6 weeks	1	34	Risk Ratio (M‐H, Random, 95% CI)	0.55 [0.20, 1.51]
2 Any breastfeeding at 4‐6 weeks	1	34	Risk Ratio (M‐H, Random, 95% CI)	0.65 [0.41, 1.03]
3 Exclusive breastfeeding	1		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
3.1 At 1 week	1	34	Risk Ratio (M‐H, Random, 95% CI)	0.55 [0.30, 0.99]
3.2 At 2 weeks	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
3.3 At 2 months	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
3.4 At 3 months	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
3.5 At 4 months	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
4 Any breastfeeding	1		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
4.1 At 2 weeks	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
4.2 At 2 months	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
4.3 At 3 months	1	34	Risk Ratio (M‐H, Random, 95% CI)	0.55 [0.28, 1.08]
4.4 At 4 months	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
4.5 At 9 months	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
4.6 At 12 months	0	0	Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
5 Duration (median weeks) of exclusive breastfeeding			Other data	No numeric data
6 Duration (median weeks) of any breastfeeding			Other data	No numeric data