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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Drug Alcohol Depend. 2014 Dec 2;0:183–189. doi: 10.1016/j.drugalcdep.2014.11.018

Table 1.

Prevalence of ADHD and CD Symptoms and Diagnoses a

N % 95% CI
Symptoms
>=1 ADHD Symptom 1171 45.6 (42.5, 48.7)
>=1 CD Symptom 356 14.7 (12.1, 17.4)
ADHD via DISC
 ADHD only 119 6.9 (5.4, 8.8)
 Conduct disorder only 41 1.6 (1.0, 2.5)
 ADHD+CD 22 1.2 (0.7, 2.0)
 Neither 2358 90.3 (88.2, 92.0)
ADHD via DISC or parental report of physician diagnosis
 ADHD only 271 14.2 (11.6, 17.2)
 Conduct disorder only 32 1.3 (0.8, 2.1)
 ADHD+CD 31 1.5 (0.9, 2.3)
 Neither 2206 83.0 (79.9, 85.8)
a

N reflects actual sample size, % is weighted to reflect national prevalence estimates

b

Differences on outcomes by diagnosis are examined in adjusted model