Table 7.

Abnormalities on neurobehavioral assessment

	Cocaine		Non-cocaine	F/χ2a	p
	Heavy (n=82)	Light (n=76)	(n=161)
Chronological age	4.8±3	4.6±3	4.0±3	2.4	0.10
Corrected age	2.7±2	2.2±2	2.7±2	1.4	0.24
Attention	8 (10%)	2 (3%)	5 (3%)	4.3	0.04b
Sensory asymmetry	6 (8%)	2 (3%)	3 (2%)	4.4	0.04c
Head control	10 (13%)	3 (4%)	14 (9%)	0.4	0.55
Movement and tone	21 (26%)	12 (16%)	18 (12%)	7.4	0.01c
Motor asymmetry	3 (4%)	1 (1%)	8 (5%)	0.6	0.45
State	3 (4%)	2 (3%)	11 (7%)	1.6	0.20
Jitteriness	19 (24%)	8 (11%)	15 (10%)	7.7	0.01b
Any abnormality	39 (48%)	21 (28%)	49 (30%)	5.7	0.02c,d

^aMantel–Haenszel chi-square.

^bHeavy>none and light, p<0.05.

^cHeavy>none, p<0.05.

^dHeavy>light, p<0.10.