Table 2.

Adjusted^* odds ratios, adjusted^* means and 95% confidence intervals for non-medically indicated induction at 38 weeks vs. expectant management and outcomes

	Non Medically Indicated Induction N (%)	Expectant Management N (%)	OR	95%CI
Neonatal outcomes:
Neonatal intensive care unit admission	12 (5.7)	2201 (7.7)	1.17	0.63–2.20
Respiratory composite	3 (1.4)	574 (2.0)	1.62	0.48–5.49
Hyperbilirubinemia requiring treatment	9 (4.3)	1288 (4.5)	1.09	0.53–2.24
Neonatal composite	0 (0.0)	220 (0.8)	-	-
Maternal Outcomes:
Postpartum hemorrhage	0 (0.0)	519 (1.9)	-	-
Third and fourth degree lacerations	8 (3.8)	1710 (6.0)	0.54	0.26–1.13
Peripartum infection	5 (2.4)	3009 (10.6)	0.39	0.16–0.98
Mode of delivery
Spontaneous vaginal	124 (59.1)	19246 (67.6)
Operative vaginal	15 (7.1)	2797 (9.8)	0.88	0.50–1.55
Cesarean	71 (33.8)	6425 (22.6)	1.50	1.08 –2.08
	Non Medically Indicated Induction		Expectant Management
	Median (interquartile range)	Adjusted mean (95%CI)	Median (interquartile range)	Adjusted mean (95%CI)
Time from labor and delivery admission to delivery in hours	16 (14–20)	17.85 (16.67–19.03)†	11 (7–16)	13.93 (13.70–14.16)
Time from delivery to discharge days	2 (2–3)	2.81 (2.51–3.11)	2 (2–3)	2.70 (2.64–2.75)

^*Adjusted for maternal age, race/ethnicity, body mass index, cigarette use, insurance status and hospital

^†P<0.05 in the generalized linear model