Table 1.

Conduct disorder symptoms in the NESARC, prevalence, item difficulties and discriminations

Symptomsa	n	Prevalenceb (%)	S.E.c
Bullying	1128	5.5	0.23
Initiates physical fights	441	2.1	0.13
Uses a weapon in a fight	257	1.1	0.09
Cruel to people	597	3.1	0.16
Cruel to animals	325	1.6	0.11
Steals with confrontation	35	0.2	0.03
Forced sex	7	0.0	0.02
Fire setting	214	1.1	0.1
Damages property	447	2.5	0.15
Stays out late	621	2.9	0.16
Runs away from home	718	3.2	0.16
Truancy	801	3.6	0.17
Lying	906	4.4	0.18
Steals without confrontation	2954	14.6	0.52
Three or more symptoms	1023	5.1	0.21
DSM-IV defined CD	452	2.2	0.14

NESARC, National Epidemiological Survey of Alcohol and Related Conditions; CD, conduct disorder.

^aSymptoms were counted as present if they occurred prior to age 15.

^bPrevalence estimates are weighted to account for the sampling design.

^cDesign-adjusted S.E.