Characteristic | RR | 95% CI | P-Value |
---|---|---|---|
(A) Multivariable poisson model with robust error variance of characteristics associated with intrapartum cesarean birth compared to pre-labor cesarean birtha | |||
Hospital delivery (ref: “other” delivery location) | 1.6 | 1.2,2.1 | 0.001 |
Hypertensive disease (ref: no hypertensive disease) | 0.7 | 0.6, 0.9 | 0.01 |
Dysfunctional labor (ref: no labor dysfunction) | 1.6 | 1.4,1.9 | < 0.001 |
Schooling (ref: no formal schooling, illiterate) | 0.9 | 0.8,0.9 | 0.009 |
Increasing age (continuous variable) | 0.99 | 0.98, 0.99 | 0.02 |
(B) Individual multivariable poisson models with robust error variance, adjusted for significant findings in Table 3a , to determine association of intrapartum cesarean birth (with reference to pre-labor cesarean birth) with outcomes significant in bivariate comparisonsb | |||
Maternal outcomes | |||
RR of postpartum infection | Model did not converge because no intrapartum cesarean births were followed by postpartum infection (see Table 2) | ||
RR of needing magnesium sulfate | 1.0 | 0.9,1.1 | 0.99 |