. Author manuscript; available in PMC: 2011 Aug 1.

Published in final edited form as: Am J Perinatol. 2010 Feb 19;27(7):537–542. doi: 10.1055/s-0030-1248940

Table 1.

Maternal characteristics

	MPTB (n=80)	LPTB (n=275)	Term (n=197)	p Value
Maternal age (years)	29.0 ± 6.7	29.9 ± 6.8	30.3 ± 6.7	0.31
Nulliparity	38 (47.5)	114 (41.5)	89 (45.2)	0.55
Race				0.36
African American	20 (25.0)	62 (22.6)	34 (17.3)
Caucasian	53 (66.3)	182 (66.2)	146 (74.1)
Other	7 (8.8)	31 (11.3)	17 (8.6)
Hispanic ethnicity	6 (7.5)	47 (17.1)	27 (13.7)	0.09
Indicated delivery at < 35 weeks	19 (23.8)	19 (6.9)	0 (0)

Results are mean ± standard deviation or n (%). LPTB, late preterm birth; MPTB, moderately preterm birth.