Table 1.
Controls (N = 32) (mean ± SD) | ADHD (N = 32)(mean ± SD) | Test statistic | p | |
---|---|---|---|---|
Age | 11.9 ± 0.4 | 11.1 ± 0.3 | t = 1.78 | 0.081 |
Male/female | 19/13 | 25/7 | χ2 = 2.62 | 0.106 |
Full-scale IQ | 108.1 ± 2.3 | 104.3 ± 2.4 | t = 1.14 | 0.259 |
P inattent T | 46.7 ± 1.0 | 66.8 ± 1.6 | t = 10.64 | <0.001 |
P hyp. imp. T | 48.6 ± 1.7 | 71.8 ± 2.3 | t = 8.15 | <0.001 |
P DSM-IV T | 47.7 ± 1.3 | 70.7 ± 1.8 | t = 10.22 | <0.001 |
P DSM-IV T, T score for sum of total raw scores; P inattent T, parent inattentive T score; P hyp. imp. T, parent hyperactive-impulsive T score.