Table 3.

Maternal and infant demographic sample description at birth (n = 376).

	Noncocaine-exposed n = 176	Cocaine-exposed n = 200
Maternal characteristics
Maternal age	24.0 (5.5)	29.0 (4.8)
Prenatal care (≥4 visits)	86.4%	68.5%
Primigravida	22.2%	6.5%
Never married	87.5%	91.0%
Unemployed	82.4%	94.5%
Education (years)	11.3 (1.4)	11.1 (1.4)
Infant characteristics
Birth weight (gms)	3315 (501)	2942 (455)
Birth length (cm)	50.8 (2.3)	48.8 (2.5)
Birth head circumference (cm)	33.8 (1.4)	33.0 (1.5)
Gestational age (weeks)	39.7 (1.4)	39.3 (1.4)
Apgar score (5 min)	8.7 (0.7)	8.7 (0.7)
Male	48.9%	49.5%

Note: Numbers represent means (standard deviations) or percentages where indicated.