Table 1.
Participant characteristics
| Variables | Group
|
Significant Group Differences | |
|---|---|---|---|
| Control | ADHD | ||
| Sample size | 51 | 51 | |
| Females | 22 | 29 | |
| Right-handed | 43 | 44 | |
| Mixed-handed | 4 | 4 | |
| Left-handed | 4 | 3 | |
| Age, yrs | 21.0 (1.7) | 21.1 (1.8) | ADHD = CTRL, p = .779 |
| FSIQ | 106.3 (11.1) | 105.3 (11.5) | ADHD = CTRL, p = .630 |
| CAADID | |||
| Number of inattention symptoms endorsed in adulthood | 0.02 (0.14) | 6.45 (1.95) | ADHD > CTRL, (F1, 100) = 557.20 p < .001 |
| Number of hyperactive/impulsive symptoms endorsed in adulthood | 0.14 (0.40) | 4.90 (2.33) | ADHD > CTRL, (F1, 100) = 232.47 p < .001 |
| Total number of symptoms endorsed in adulthood | 0.16 (0.42) | 11.35 (3.16) | ADHD > CTRL, (F1, 100) = 664.47 p < .001 |
| CAARS-S:L | |||
| DSM-IV ADHD Symptoms Total T-score | 43.1 (10.0) | 66.4 (15.9) | ADHD > CTRL, (F1, 100) = 78.64, p < .001 |
| ADHD Index T-score | 40.2 (7.0) | 57.0 (11.1) | ADHD > CTRL, (F1, 100) = 83.36, p < .001 |
| ASR | |||
| Internalizing Composite T-score | 44.1 (10.8) | 56.3 (13.0) | ADHD > CTRL, (F1, 100) = 26.38, p < .001 |
| Aggressive Behavior T-score | 51.5 (3.6) | 56.9 (7.6) | ADHD > CTRL, (F1, 100) = 20.87, p < .001 |
| Rule-breaking Behavior T-score | 52.0 (3.5) | 58.9 (8.7) | ADHD > CTRL, (F1, 100) = 27.98, p < .001 |
Note: Values are means and standard deviations (in parentheses).