Table 1.

Sample description (36 month assessment)

	Total N=178 M (SD)	Subsample N=37 M (SD)	ODD+CU N=7 M (SD)	ODD-only N=12 M (SD)	Non-ODD N=18 M (SD)
ODD	0.5 (0.4)	0.9 (0.6)	1.5 (0.2)	1.3 (0.2)	0.4 (0.3)
CU	0.2 (0.3)	0.4 (0.5)	1.2 (0.3)	0.4 (0.2)	0.1 (0.2)
ADHD	0.7 (0.5)	0.9 (0.6)	1.8 (0.4)	1.0 (0.5)	0.6 (0.5)
	%	%	%	%	%
Poverty	49	62	86	50	61
African American	56	54	57	67	44
Male	51	62	71	50	67

ODD = mean score for 6 Oppositional defiant items; CU = mean score for 5 callous unemotional trait items; ADHD = mean score for 6 attention deficit/hyperactivity disorder items; Below Poverty = family income <=200% poverty threshold for given household size at study entry