Table 1 Demography of women included in analysis of breastfeeding behaviour compared to UPBEAT women who did not attend 6 months postnatal follow up visit.
Included in analysis n = 715 | Not included in analysis n = 839 | Comparison | |
|---|---|---|---|
Mean (SD)/N (%) | Beta-coefficient/Risk ratio/Odds ratio (95% CI) | ||
Age (years) | 31.2 (5.31) | 29.9 (5.60) | 1.32 (0.78–1.87) |
BMI (kg/m2) | 36.3 (4.90) | 36.3 (4.66) | 0.04 (−0.43–0.52) |
Ethnic origin | |||
White | 506 (71%) | 467 (56%) | ref |
Black | 141 (20%) | 260 (31%) | 0.50 (0.39–0.63)*** |
Asian | 5 (3%) | 70 (8%) | 0.33 (0.20–0.53)*** |
Other | 43 (6%) | 42 (5%) | 0.94 (0.61–1.47) |
Nulliparous | 363 (51%) | 311 (37%) | 1.75 (1.43–2.14)*** |
Current smoker | 27 (4%) | 81 (10%) | 0.37 (0.23–0.57)*** |
Index of multiple deprivation | |||
1 (least deprived) | 35 (5%) | 30 (4%) | 1.51 (0.91–2.51) |
2 | 49 (7%) | 54 (6%) | 1.17 (0.77–1.78) |
3 | 76 (11%) | 101 (12%) | 0.97 (0.60–1.36) |
4 | 261 (37%) | 272 (33%) | 1.24 (0.98–1.56) |
5 (most deprived) | 292 (41%) | 378 (45%) | ref |
Pregnancy outcomes | |||
Diagnosis of GDMa | 197/699 (28%) | 141/606 (23%) | 1.29 (1.00–1.66)* |
Gestation at birth ≤37 weeks | 32/715 (4.5%) | 67/805 (8.3%) | 0.52 (0.33–0.79) |
Unassisted vaginal birth | 345/715 (48%) | 453/805 (56%) | ref |
Operative vaginal birth | 93/715 (13%) | 85/805 (10%) | 1.43 (1.04–1.99)* |
Pre-labour caesarean section | 144/715 (20%) | 151/805 (19%) | 1.25 (0.96–1.63) |
In labour caesarean section | 133/715 (18%) | 116/805 (14%) | 1.50 (1.13–2.00)** |
Birthweight ≥4 kg | 101/715 (14%) | 109/805 (13%) | 1.05 (0.78–1.41) |
