Small-for-Gestational-Age Births in Pregnant Women with HIV, due to Severity of HIV Disease, Not Antiretroviral Therapy

Table 3

Logistic regressions predicting 10th percentile and 3rd percentile.

Variable	10th percentile		3rd percentile
	Odds ratio	Confidence interval	Odds ratio	Confidence interval
Age ≤ 22 years	1		1
Age 23–26 years	0.53	(0.20, 1.58)	0.20	(0.03, 1.30)
Age 27–31 years	0.35	(0.12, 1.02)	0.54	(0.13, 2.34)
Age > 31 years	1.08	(0.42, 2.75)	1.01	(0.26, 3.85)
Race—African American	1		1
Race—all other	0.51	(0.22, 1.21)	1.12	(0.32, 3.95)
Ever smoked	2.77	(1.28, 5.97)
Ever smoked—unknown	5.11	(1.13, 23.01)
Currently smoking			3.64	(1.12, 11.76)
Current smoking—unknown			1.01	(0.08, 12.08)
Education—less than high school			1
Education—high school/some high school			0.36	(0.10, 1.27)
Education—college/some college			1.98	(0.34, 11.46)
Education—unknown			0.27	(0.06, 1.21)
First viral load > 1000	1.57	(0.74, 3.32)	0.92	(0.29, 2.86)
First CD4 > 200	0.67	(0.31, 1.44)	0.29	(0.10, 0.86)
Started medications in pregnancy	1.47	(0.60, 3.58)	4.64	(0.81, 26.42)
NNRTI	0.28	(0.10, 0.75)	0.16	(0.03, 0.91)
PI^*	1.68	(0.79, 3.55)	2.73	(0.83, 9.00)

^*Run as a separate model with the same covariate.
NNRTI, nonnucleoside reverse transcriptase inhibitor; PI, protease inhibitor.