. Author manuscript; available in PMC: 2011 Mar 15.

Published in final edited form as: Pediatrics. 2010 Jun 29;126(1):e215–e221. doi: 10.1542/peds.2009-3353

TABLE 3.

Demographic Data Comparing Infants Who Were Enrolled in SUPPORT With Infants Who Were Eligible But Not Enrolled

	Enrolled Infants (N = 1316)	Nonenrolled Infants (N = 3056)	P
Maternal age, mean ± SD, y	27.1 ± 6.4	27.2 ± 6.7	.7107
White, non-Hispanic, n (%)	521 (39.7)	1106 (36.3)	.0329
Maternal gravidity, mean ± SD	2.8 ± 2.0	2.8 ± 2.0	.9438
Maternal parity, mean ± SD	2.3 ± 1.5	2.3 ± 1.5	.7725
Maternal education more than high school, n (%)	708 (74.1)	1516 (70.61)	.0490
Self-pay/uninsured, n (%)	81 (6.2)	227 (9.1)	.0012
≥1 prenatal visit, n (%)	1263 (96.0)	2864 (93.9)	.0052
No antenatal steroid treatment, n (%)	50 (3.8)	478 (15.7)	<.0001