Table 1.
Demographic and Clinical Characteristics of Children in the ADHD and TD Groups.
| ADHD | TD | F/χ 2 | p | |
| M (SD) | M (SD) | |||
| Gender N | 3.43 | 0.064 | ||
| Male | 31 | 27 | ||
| Female | 15 | 28 | ||
| Age (years) | 10.28 (0.98) | 10.01 (1.21) | 1.46 | 0.230 |
| FSIQ | 98.04 (11.60) | 104.71 (10.35) | 9.31 | 0.003 ** |
| Dyscalculia (%) | 2.17 | 0 | 1.21 | 0.272 |
| Dyslexia (%) | 8.70 | 0 | 4.98 | 0.026 * |
| DBDRS | ||||
| Attention | 14.95 (1.79) | 10.52 (0.99) | 241.84 | <0.001 *** |
| Hyperactive/impulsive | 14.36 (2.17) | 10.54 (0.97) | 135.46 | <0.001 *** |
| ODD | 12.55 (2.13) | 10.72 (1.24) | 28.06 | <0.001 *** |
| CD | 11.45 (1.53) | 10.93 (1.28) | 3.86 | 0.052 |
Note. ADHD = Attention Deficit Hyperactivity Disorder; TD = Typically Developing; FSIQ: Full-Scale IQ; DBDRS = Disruptive Behavior Rating Scale; ODD = Oppositional Defiant Disorder; CD = Conduct Disorder. * p < 0.05, ** p < 0.01, *** p < 0.001.