(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
|