Chlamydia trachomatis Infection, when Treated during Pregnancy, Is Not Associated with Preterm Birth in an Urban Safety-Net Hospital

Table 2

Characteristics of women with and without prior history of chlamydia infection.

	Any history of chlamydia+ ()	Any history of chlamydia− ()	value
Age			0.0001
Race n (%) ()
(i) White; (ii) Black; (iii) Hispanic; (iv) Other	5 (9.3%); 41 (75.9%); 8 (14.8%); 0 (0%)	59 (23.5%); 108 (43.0%); 75 (29.9%); 9 (3.6%)	<0.0001^#
History of spontaneous abortion (%) ()	15 (27.8%)	64 (25.5%)	0.73
Substance abuse (yes) (%)	11 (20.4%)	33 (13.2%)	0.17
Tobacco risk (yes) (%)	16 (29.6%)	53 (21.1%)	0.17
Alcohol risk (yes) (%) ()	2 (3.7%)	3 (1.2%)	0.22^#
Gestational age at delivery (range, weeks) ()	(24.2-41.9)	(24.3-41.6)	0.27
Low birth weight (%) (yes) ()	16 (30.2%)	81 (32.8%)	0.71

Two-sample -test; chi-square test; ^#Fisher’s exact test.