Table 1 Demographic and clinical characteristics of ADHD subjects and controls
|  | ADHD (n = 202) | Controls (n = 159) |
|---|---|---|
Age (years), mean ± SD | 9.0 ± 2.5 | 9.0 ± 2.7 |
Sex (males/females) | 174/28 | 111/48 |
IQ, mean ± SD | 106.1 ± 14.7 | 114.8 ± 15.3 |
ADHD subtype, % | Â | Â |
Combined | 63.0 | Â |
Inattentive | 24.5 | Â |
Hyperactive-impulsive | 6.0 | Â |
Not otherwise specified | 6.5 | Â |
Comorbid disorder, % | Â | Â |
Oppositional defiant disorder | 14.4 | Â |
Conduct disorder | 1.5 | Â |
Depressive disorder | 3.5 | Â |
Anxiety disorder | 6.5 | Â |
Enuresis | 5.5 | Â |