Table 2 Infant feeding outcomes recorded at the 6-month follow-up, stratified by maternal BMI class at trial entry.
BMI Class I (30.0–34.9 kg/m2) | BMI Class II (35.0–39.9 kg/m2) | BMI Class III (≥40.0 kg/m2) | |
|---|---|---|---|
N (%)/Mean (standard deviation) | |||
Intended to breastfeed | 267/354 (75.4%) | 178/225 (79.1%) | 101/136 (74.3%) |
Initiated breastfeeding at birth | 294/354 (83.1%) | 189/225 (84.0%) | 108/136 (79.4%) |
6-month breastfeeding status of those who initiated breastfeeding | |||
Age of infant at 6-month follow-up | 5.9 (0.86) | 5.8 (0.87) | 6.0 (1.01) |
Exclusive breastfeeding | 11/294 (3.7%) | 7/189 (3.7%) | 1/108 (0.9%) |
Formula milk only | 8/294 (2.7%) | 6/189 (3.2%) | 0/108 (0%) |
Breastfeeding + other fluids | 4/294 (1.3%) | 4/189 (2.1%) | 5/108 (4.6%) |
Breastfeeding + solids ± other fluids | 73/294 (24.8%) | 41/189 (21.6%) | 16/108 (14.8%)* |
Formula + solids ± other fluids | 134/294 (45.6%) | 92/189 (48.7%) | 68/108 (63.0%)* |
Breastfeeding + Formula milk + solids ± other fluids | 64/294 (21.7%) | 39/189 (20.6%) | 18/108 (16.7%)* |
Any breastfeeding at 6 months | 152/294 (51.7%) | 91/189 (48.2%) | 40/108 (30.7%)* |
All women | |||
Formula feeding at 6 months | 266/354 (75.0%) | 203/255 (80.0%) | 114/136 (84.0%) |
Introduced solids at 6 months | 329/354 (92.9%) | 201/225 (89.3%) | 128/136 (94.1%) |
Mean duration of exclusive breastfeeding (days) | 90.4 (64.0) | 74.6 (66.3) | 73.7 (65.1) |
Difference in mean (95%CI) vs. class I | −15.8 (−28.5, −3.1)* | −16.7 (−32.0, −1.35)* | |
Never breastfed | 60 (17.0%) | 36 (16.0%) | 28 (20.7%) |
