Table 5 Logistic model of VBAC in 2016 for n = 1956 with covariate data available, adjusted for 2012 VBAC rate and covariates with random intercept for site
Odds Ratio | 95% CI | p-value | |
|---|---|---|---|
OptiBIRTH | 1.09 | 0.76, 1.56 | 0.66 |
VBAC 2012 (%) | 1.00 | 0.97, 1.02 | 0.76 |
BMI (kg/m2) | 0.94 | 0.92, 0.96 | < 0.001 |
Age (years) | 0.99 | 0.96, 1.01 | 0.24 |
Gestational Age (weeks) | 1.02 | 1.01, 1.03 | 0.02 |
VB before CS | 0.42 | 0.30, 0.60 | < 0.001 |
Previous VBAC | 7.18 | 4.41, 11.69 | < 0.001 |
Germany v Ireland | 1.43 | 0.96, 2.12 | 0.08 |
Italy v Ireland | 0.58 | 0.34, 1 | 0.05 |