n	Intervention	n	Control	n	Breastfed	Intervention vs control	Intervention vs breastfed	Control vs breastfed
		Mean ± SD		Mean ± SD		Mean ± SD	Mean difference (95% CI) a	Mean difference (95% CI) a	Mean difference (95% CI) a
Weight gain (g/day)							Weight gain (g/day)
3–6 months
Completers	92	20.09 ± 4.62	91	20.65 ± 5.54	109	17.43 ± 4.89	−0.67 (−2.11 to 0.77)	–	–
PP	–	–	–	–		–	−0.69 (−2.20 to 0.81)	–	–
6–12 months
Completers	86	11.54 ± 3.04	87	12.31 ± 3.08	103	10.39 ± 3.13	−0.80 (−1.73 to 0.13)	1.04 (0.12 to 1.95)	1.84 (0.93 to 2.75)
PP	78	11.45 ± 3.00	81	12.22 ± 3.05	97	10.28 ± 3.03	−0.85 (−1.80 to 0.10)	0.96 (0.03 to 1.89)	1.81 (0.90 to 2.73)
Weight (kg)							Weight (g)
3 months
Completers	97	5.96 ± 0.70	97	5.91 ± 0.68	112	5.78 ± 0.70	–
PP	85	5.99 ± 0.68	85	5.89 ± 0.69	105	5.79 ± 0.68	–
6 months
Completers	93	7.62 ± 0.84	91	7.62 ± 0.89	109	7.24 ± 0.87	−71.06 (−193.4 to 51.25)	167.86 (47.71 to 288.01) 1	238.92 (118.28 to 359.57) 2
PP	84	7.68 ± 0.84	85	7.62 ± 0.90	103	7.27 ± 0.89	−71.08 (−199.9 to 57.76)	175.72 (49.63 to 301.81)	246.80 (121.83 to 371.77)
12 months
Completers	87	9.86 ± 1.12	87	9.97 ± 1.21	104	9.20 ± 1.10	−231.7 (−473.2 to 9.86)	385.61 (148.70 to 622.51) 1	617.28 (380.58 to 853.98) 2
PP	79	9.89 ± 1.12	81	9.95 ± 1.21	98	9.20 ± 1.12	−239.7 (−484.6 to 5.11)	378.73 (139.63 to 617.83)	618.48 (382.08 to 854.88)
Weight change (kg)							Weight change (kg)
6–12 months
Completers	86	2.20 ± 0.58	87	2.35 ± 0.59	103	1.96 ± 0.59	−0.16 (−0.34 to 0.02)	0.21 (0.03 to 0.38) 3	0.37 (0.19 to 0.54) 2
PP	78	2.18 ± 0.57	81	2.33 ± 0.58	97	1.94 ± 0.56	−0.17 (−0.35 to 0.01)	0.19 (0.02 to 0.37)	0.36 (0.19 to 0.53) 2

a Adjusted for baseline and gender.

1 p ≤ 0.01

2 p ≤ 0.0001

3 p < 0.05.