TABLE 5.

NNNS Scores in Heavy, Some, and No Cocaine Exposure Groups

Measure	Cocaine Exposure
	Heavy		Some		None		P
	N	Mean ± SE	N	Mean ± SE	N	Mean ± SE	Unadjusted	Adjusted
Attention	101	5.42 ± 0.15	209	5.36 ± 0.11	632	5.29 ± 0.07	.821	.293
Arousal	111	4.37 ± 0.07	226	4.28 ± 0.05	684	4.43 ± 0.03	.082	.029
Regulation*	107	4.95 ± 0.10	225	5.00 ± 0.07	675	5.00 ± 0.04	.798	.024
Handling	101	0.51 ± 0.03	215	0.56 ± 0.02	658	0.56 ± 0.01	.257	.121
Quality of movement	110	4.40 ± 0.08	226	4.41 ± 0.06	683	4.46 ± 0.04	.444	.147
Excitability*	111	4.01 ± 0.24	227	3.89 ± 0.18	694	3.96 ± 0.11	.717	.044
Lethargy	111	3.47 ± 0.23	227	3.49 ± 0.17	694	3.39 ± 0.10	.088	.105
Nonoptimal reflexes	111	4.89 ± 0.23	227	4.21 ± 0.17	694	4.27 ± 0.10	.076	.039
Asymmetrical reflexes	111	1.04 ± 0.11	227	0.93 ± 0.08	694	0.95 ± 0.05	.796	.600
Hypertonicity	111	0.67 ± 0.09	227	0.45 ± 0.07	689	0.52 ± 0.04	.042	.062
Hypotonicity	111	0.26 ± 0.06	227	0.16 ± 0.04	689	0.20 ± 0.03	.289	.966
Stress/abstinence	111	0.18 ± 0.01	227	0.17 ± 0.01	694	0.17 ± 0.01	.923	.591

SE indicates standard error.
↵* Significant cocaine by birth weight interaction (reported in text).