Table 4.

Demographic characteristics of five conduct disorder (CD) classes^a

Demographic characteristic	Class 1: No CD		Class 2: Rule violations		Class 3: Deceit/theft		Class 4: Aggressive		Class 5: Severe
	n	%	n	%	n	%	n	%	n	%
Sex
Male	8149	47.6	255	59.9	695	64.7	176	66.5	140	70.6
Female	11220	52.4	203	40.1	461	35.3	122	33.5	68	29.4
χ2, p valueb Age (years)	${\chi }_{\left(4\right)}^2=96.07$, p < 0.001
18–25	4391	23.9	131	27.9	355	31.2	110	38.2	85	37.6
26–35	6870	35.3	151	33.9	379	34.0	103	34.0	63	32.0
36–44	8108	40.8	176	38.3	422	35.0	85	27.8	60	30.3
χ2, p value Ethnicity	${\chi }_{\left(8\right)}^2=42.23$, p < 0.001
Hispanic	4865	15.5	172	27.0	205	11.2	64	12.6	51	15.5
NH-Black	3737	12.4	68	12.3	194	10.4	71	17.2	41	14.6
NH-Asian	794	5.5	10	2.5	36	3.2	2	1.1	3	2.8
NH-White	9702	64.8	197	54.9	679	70.2	156	67.0	100	61.5
NH-AI/AN	271	1.8	11	3.3	42	5.0	5	2.2	13	5.7
χ2, p value	${\chi }_{\left(16\right)}^2=58.25$, p < 0.001

NH, Non-Hispanic; AI, American Indian; AN, Alaska Native.

^aRespondents classified according to their posterior probability of class membership.

^bx2 test reported for association between demographic characteristic and class membership