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Demographic information.
| ADHD n = 24 | Controls n = 33 | Test Statistic | p | |
|---|---|---|---|---|
| Age (SD) | 9.66 (1.95) | 9.18 (1.64) | F ₁‚₅₅ = 0.182 | 0.32 |
| Sex (m/f) | 20/4 | 22/11 | X² (1) = 12.789 | <0.001 1 |
| IQ (SD) | 106 (14.7) | 118 (10.8) | F ₁,₅₅ = 3.389 | <0.001 1 |
| ADHD symptom score | 2.16 | 0.20 | F ₁,₅₅ = 2.670 | <0.001 1 |
| Combined subtype | 20/24 | / | ||
| Hyp/Imp. subtype | 4/24 | / | ||
| Comorbid ODD | 11/24 | / |
1 The groups differed significantly regarding sex and IQ as well as regarding ADHD-specific markers.
