Parity | | | <0.001 |
1 | 28.7 (22.6 to 35.6) | 41.4 (40.3 to 42.5) | |
2 | 33.9 (28.2 to 40.2) | 35.8 (34.9 to 36.7) | |
3 | 17.7 (13.6 to 22.7) | 15.0 (14.3 to 15.7) | |
>3 | 19.7 (14.6 to 26.2) | 7.9 (7.3 to 8.5) | |
Smoking during pregnancy |
Kept smoking during pregnancy | 58.0 (50.5 to 65.1) | 20.8 (19.6 to 22.1) | <0.001 |
Gave up | 14.9 (10.4 to 21.1) | 13.3 (12.5 to 14.1) | |
Never smoked | 27.1 (21.5 to 33.5) | 65.9 (64.6 to 67.3) | |
Symptoms of depression | | | <0.001 |
Yes | 31.3 (25.4 to 37.8) | 13.4 (12.7 to 14.1) | |
No | 68.7 (62.2 to 74.6) | 86.6 (86.0 to 87.3) | |
Mode of delivery | | | 0.03 |
Normal | 76.5 (70.0 to 81.8) | 67.7 (66.7 to 68.8) | |
Instrumental | 7.6 (4.8 to 11.9) | 10.3 (9.7 to 11.0) | |
Caesarian | 15.9 (11.5 to 21.6) | 22.0 (21.2 to 22.8) | |
Gestational age, weeks | | | 0.86 |
<28 | 0.3 (0.1 to 1.0) | 0.3 (0.2 to 0.4) | |
28–32 | 1.5 (0.5 to 4.5) | 1.2 (1.0 to 1.3) | |
33–36 | 6.9 (4.2 to 11.2) | 6.3 (5.9 to 6.8) | |
≥37 | 91.2 (86.9 to 94.2) | 92.2 (91.7 to 92.7) | |
Birth weight, kg | | | 0.009 |
≥2.5 | 88.5 (83.2 to 92.3) | 93.3 (92.9 to 93.7) | |
<2.5 | 11.5 (7.7 to 16.8) | 6.7 (6.3 to 7.1) | |
Duration of breastfeeding, months |
Never breastfed | 46.5 (39.5 to 53.6) | 30.3 (28.6 to 32.0) | <0.001 |
Less than 2 | 27.8 (22.2 to 34.3) | 26.4 (25.3 to 27.5) | |
2–4 | 8.9 (5.9 to 13.3) | 10.6 (10.1 to 11.2) | |
More than 4 | 16.8 (12.0 to 22.9) | 32.7 (30.7 to 34.8) | |