Table 4 Multivariate logistic regression for vaginal birth preference at the end of pregnancy according to parity
Maternal characteristics | Primiparous (N = 2,611) | Multiparous (N = 1,842) | ||||||
|---|---|---|---|---|---|---|---|---|
% | ORa | 95% CI | P value | % | ORa | 95% CI | P value | |
Model of care | ||||||||
PPA | 73.8 | 2.54 | 1.99–3.24 | < 0.001 | 26.2 | 1.44 | 0.97–2.12 | 0.069 |
Standard of care | 26.2 | 1 | 73.8 | 1 | ||||
Economic class | ||||||||
A | 24.9 | 2.29 | 1.59–3.30 | < 0.001 | 32.1 | 1.06 | 0.64–1.76 | 0.926 |
B | 58.1 | 1.36 | 1.01–1.83 | 49.8 | 1.09 | 0.70–1.70 | ||
C/D/E | 17.0 | 1 | 18.1 | 1 | ||||
Preference of type of birth in early pregnancya | ||||||||
Vaginal | 71.1 | 18.67 | 14.22–24.50 | < 0.001 | 50.5 | 53.11 | 37.31–75.60 | < 0.001 |
Cesarean section | 28.9 | 1 | 49.5 | 1 | ||||
Type of pregnancy | ||||||||
Single | 98.4 | 5.25 | 2.13–12.92 | < 0.001 | 98.3 | 2.30 | 0.22–23.57 | 0.484 |
Multiple | 1.6 | 1 | 1.7 | 1 | ||||
Fetal presentation | ||||||||
Cephalic | 92.5 | 1.09 | 0.67–1.78 | 0.727 | 93.9 | 0.77 | 0.43–1.37 | 0.374 |
Breech/others | 7.5 | 1 | 6.1 | 1 | ||||
Gestational duration | ||||||||
Term | 88.5 | 0.61 | 0.43–0.88 | 0.008 | 90.3 | 1.34 | 0.74–2.41 | 0.331 |
Preterm | 11.5 | 1 | 9.7 | 1 | ||||
Complications during pregnancy | ||||||||
No | 76.3 | 1.65 | 1.27–2.15 | < 0.001 | 74.0 | 1.27 | 0.88–1.82 | 0.203 |
Yes | 23.7 | 1 | 26.0 | 1 | ||||
Previous Cesarean section | ||||||||
No | 28.3 | 2.62 | 1.79–3.85 | < 0.001 | ||||
Yes | NA | NA | NA | NA | 71.7 | 1 | ||