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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Obstet Gynecol. 2015 Oct;126(4):716–723. doi: 10.1097/AOG.0000000000001032

Table 3.

Vaginal birth after cesarean delivery rates before and after expansion of midwifery and laborist services

PRIVATELY INSURED WOMEN
(change to a 24-hour laborist/midwifery
model in 2011)		 PUBLICLY INSURED WOMEN
(24 hour laborist/midwifery model
during all years of observation)
Before
Expansion

N=452		 After Expansion

N=232		 p value Before
Expansion

N=420		 After
Expansion

N=220		 p value
VBAC Rate 13.3%
(n=60)		 22.4%
(n=52)		 0.002 33.8%
(n=142)		 26.8%
(n=59)		 0.07
Adjusted OR*
(95% CI)		 2.03 (1.08 – 3.80) 0.03 0.74 (0.41–1.36) 0.34
*

Adjusted for: maternal age, race/ethnicity, education, gestational age, epidural, induction of labor, maternal medical complication, birth weight, delivery year, and with an interaction term for insurance type.