. Author manuscript; available in PMC: 2009 Nov 1.

Published in final edited form as: Am J Obstet Gynecol. 2008 Jun 9;199(5):523.e1–523.e6. doi: 10.1016/j.ajog.2008.04.017

Table 2.

Multivariate Analysis for Associations with Serum CRP Values >75^th Percentile

Variable	Odds Ratio	95% CI
Black race	2.1	1.3 – 3.3
Qualify for WIC/Food stamp	2.0	1.3 – 3.1
Lack of private insurance	2.0	1.4 – 2.5
Unmarried	2.0	1.3 – 2.5
Previous preterm birth	1.9	1.2 – 3.0
Maternal weight (per 10 lb. increase)	1.1	1.1 – 1.2
Maternal age (per 5 year increase)	0.8	0.7 – 1.0