Table 1.

Demographic Characteristics by Psychiatric Disorder

Characteristics	Autism ( N = 941)	Conduct disorder/ODD (N = 5,118)	ADHD (N = 9,669)	Other psychiatric disorders (N = 8,543)	Total (N = 24, 271)
%
Age**
5-11 years	69.7	37.5	66.6	35.7	49.7
12-17 years	30.3	62.5	33.4	64.3	50.3
Race/Ethnicity***
African American	46.1	74.8	49.1	59.7	58.1
White	30.0	7.3	9.5	12.9	11.0
Hispanic	13.6	16.2	38.7	24.7	28.1
Other	10.3	1.8	2.7	2.7	2.8
Sex***
Male	84.4	66.6	72.0	48.5	63.1
Female	15.6	33.4	28.0	51.5	36.9

Note.

^**p < .01

^***p < .001; significant difference by psychiatric disorder