Table 1.

Prevalence and Means of Mental Disorders and Symptom Counts of Youth in Detention^a

	Males (n=681)				Females (n=431)
Mental Disorder	N	%	CI	SE	N	%	CI	SE
CD	291	36.0	(30.3 – 41.7)	2.9	170	39.1	(33.8 – 44.4)	2.7
≥5 CD symptoms	145	18.1	(13.6 – 22.7)	2.3	77	16.0	(12.7 – 19.4)	1.7
ADHD	120	17.1	(12.5 – 21.7)	2.3	87	19.1	(15.3 – 22.8)	1.9
Oppositional defiant	107	15.0	(10.7 – 19.2)	2.2	69	14.9	(11.5 – 18.2)	1.7
Major depression	91	12.9	(8.9 – 16.9)	2.1	97	24.0	(18.7 – 29.4)	2.7
Dysthymia	76	11.7	(7.8 – 15.7)	2.0	71	15.8	(12.3 – 19.3)	1.8
Alcohol	204	28.2	(22.8 – 33.6)	2.8	121	28.8	(23.5 – 34.2)	2.7
Marijuana	336	44.8	(38.8 – 50.8)	3.1	184	43.1	(38.3 – 47.9)	2.4
Other drug	51	2.9	(1.7 – 4.1)	0.6	33	8.4	(3.5 – 13.2)	2.5
Generalized anxiety	44	7.5	(4.3 – 10.8)	1.7	35	7.7	(5.2 – 10.2)	1.3
Separation anxiety	87	14.2	(9.9 – 18.5)	2.2	84	18.9	(15.1 – 22.7)	1.9
Overanxious	46	8.5	(5.0 – 12.0)	1.8	52	11.8	(8.7 – 14.9)	1.6
Panic	3	0.2	(0.0 – 0.4)	0.1	8	1.6	(0.5 – 2.7)	0.6
Obsessive compulsive	68	8.5	(5.3 – 11.7)	1.6	45	10.3	(7.4 – 13.2)	1.5
APDb	134	17.8	(13.3 – 22.3)	2.3	50	10.9	(8.0 – 13.9)	1.5
Modified-APDb	193	28.3	(22.9 – 33.7)	2.8	79	17.9	(14.2 – 21.6)	1.9
CD Symptom Counts	Mean	Range	CI	SE	Mean	Range	CI	SE
Overt Symptoms	0.8	(0–6)	(0.6 – 0.9)	0.1	0.6	(0–4)	(0.5 – 0.7)	0.1
Covert Symptoms	1.5	(0–7)	(1.4 – 1.7)	0.1	1.8	(0–6)	(1.6 – 2.0)	0.1
All CD Symptoms	2.3	(0–11)	(2.1 – 2.6)	0.1	2.4	(0–12)	(2.1 – 2.6)	0.1

^aData are weighted to reflect the population of the Cook County Juvenile Temporary Detention Center

^bAssessed at the follow-up interview

Note: CI = 95% confidence interval; SE = standard error; CD = conduct disorder; ADHD = attention-deficit/hyperactivity disorder; APD = antisocial personality disorder