Number | 31 | 34 | 15 | 80 |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) |
Mother's age (years) | 30.7 (5.6) | 31.9 (6.8) | 29.1 (7.0) | 30.9 (6.4) |
Baby gestation (weeks) | 28.6 (4.0) | 27.84 (3.5) | 29.73 (3.9) | 28.48 (3.8) |
Birth weight (kg) | 1.534 (0.922) | 1.233 (0.749) | 1.844 (1.227) | 1.464 (0.936) |
First expressed (h) | 28.6 (14.7) | 29.8 (24.3) | 29.2 (21.1) | 29.2 (20.2) |
Baby age when drug started (days) | 29.4 (26) | 27.5 (20.3) | | |
| N (%) | N (%) | N (%) | N (%) |
Partner | 29 (93.5%) | 33 (97%) | 14 (93.3%) | 76 (95%) |
Primiparous | 22 (71%) | 23 (67.6%) | 8 (53.3%) | 53 (66.2%) |
Previous breastfeeding | 7 (22.6%) | 8 (23.5%) | 5 (33.3%) | 20 (25%) |
Smoker | 5 (16%) | 3 (8.8%) | 2 (13.3%) | 10 (12.5%) |
Drinks alcohol | 5 (16%) | 3 (8.8%) | 2 (13.3%) | 10 (12.5%) |
Infertility treatment | 3 (9.7%) | 7 (20.6%) | 2 (13.3%) | 12 (15%) |
Polycystic ovary syndrome | 4 (13%) | 5 (14.7%) | 1 (6.7%) | 10 (12.5%) |
Other endocrine disease | 1 (3.2%) | 2 (5.9%) | 1 (6.7%) | 4 (5%) |
Breast changes (antenatal) | 24 (77.4%) | 28 (82.4%) | 13 (86.7%) | 65 (81.2%) |
Emergency caesarean delivery | 15 (48.4%) | 20 (58.8%) | 7 (46.7%) | 42 (50.6%) |
Singleton | 24 (77.4%) | 28 (82.4%) | 10 (66.7%) | 62 (77.5%) |
Early skin-to-skin contact with the baby | 8 (25.8%) | 9 (26.5%) | 2 (13.3%) | 19 (23.8%) |
Early breastfeed (within 1 h of delivery) | 5 (16%) | 5 (14.7%) | 1 (6.7%) | 11 (13.8%) |
Given formula in the neonatal intensive care unit | 18 (58%) | 14 (41.2%) | 11 (73.3%) | 43 (53.8%) |
Baby gender: males | 21 (68%) | 19 (56%) | 6 (40%) | 46 (57.5%) |