Table 2.

Demographic and clinical characteristics at randomization.

Variables		Usual care (n=15)	Healthy Beyond Pregnancy (n=15)	P value
Maternal age in years, mean (SDa)		29.6 (4.3)	27.9 (5.0)	.31
Race, n (%)
	African American	6 (40)	10 (67)	.26
	White	8 (53)	5 (33)
	Asian	1 (7)	0 (0)
Nulliparous, n (%)		1 (7)	6 (40)	.03
Gestational age in weeks, mean (SD)		38.5 (0.4)	37.9 (0.5)	.30
Vaginal delivery, n (%)		7 (47)	11 (73)	.14
Number of prenatal visits, mean (SD)		8.5 (0.9)	10.4 (0.6)	.08
Opiate use, n (%)		7 (47)	2 (13)	.11

^aSD: standard deviation.