Table 2.

Infant Characteristics

	Maternal Cocaine Users (n = 218)	Maternal Nonusers (n = 197)	P Value
Male sex, No. (%)	102 (47)	96 (49)	.70
Gestational age, wk  Mean (SD)	37.7 (3.0)	38.5 (3.0)	.01
Median (range)	38 (25–43)	39 (22–42)
Prematurity (<37-wk gestational age), No. (%)	64 (29)	36 (18)	.01
Birth weight, g  Mean (SD)	2709 (678)	3086 (703)	.001
Median (range)	2760 (755–4535)	3230 (510–4515)
Low birth weight (<2500 g), No. (%)	79 (36)	36 (18)	.001
Very low birth weight (<1500 g), No. (%)	14(6)	8 (4)	.28
Small for gestational age, No. (%)	26 (12)	4(2)	.001
Birth length, cm*  Mean (SD)	47.2 (4.0)	49.9 (4.0)	.001
Median (range)	48 (33–58)	49.5 (29–57)
Head circumference, cm*  Mean (SD)	32.3 (2.0)	33.4 (3.0)	.001
Median (range)	32.5 (23–37.5)	34 (19–39.5)
Apgar score (1 min)  Mean (SD)	8.0 (2.0)	7.9 (2.0)	.69
Median (range)	8 (1–10)	9(1–9)
Apgar score (5 min)  Mean (SD)	8.8 (1.0)	8.8 (1.0)	.85
Median (range)	9 (2–10)	9 (3–10)
Hobel Neonatal Risk score  Mean (SD)	8.3 (19.0)	6.0 (17.0)	.19
Median (range)	0 (0–110)	0 (0–120)

^*P values adjusted for prematurity.