. Author manuscript; available in PMC: 2023 Jun 7.

Published in final edited form as: Am Heart J. 2002 Dec;144(6):1109–1115. doi: 10.1067/mhj.2002.126120

Table I.

Demographics of infants at birth and follow up

	Group 1 (cocaine)	Group 2 (other drugs)	Group 3 (controls)	P

At birth
Sample size (n)	95	110	97
Male (%)	46	60	50	.11
Gestational age (weeks)	38.4 ± 1.9	39.0 ± 1.6	39.4 ± 1.2	.0001^*^†
Weight (kg)	2.9 ± 5.0	3.1 ± 4.9	3.2 ± 4.2	.0001^*^†
Length (cm)	48.2 ± 2.8	49.6 ± 2.6	49.8 ± 2.2	.0001^*^†
Head circumference (cm)	33.3 ± 1.5	33.9 ± 1.6	34.2 ± 1.4	.0001^*^†
White (%)	31	38	21	.02^‡
At follow up
Sample size (n)	71	89	77
Age (months)	2.8 ± 2.1	2.3 ± 1.0	2.5 ± 2.6	.19
Body surface area (m²)	0.20 ± 0.03	0.21 ± 0.03	0.21 ± 0.03	.26

Cocaine versus controls at birth.

^†

Cocaine versus other drugs at birth.

^‡

Other drugs versus no drugs at birth.