Table 1.
Clinical variables | Controls N = 62 | ADHD N = 29 | Statistic |
---|---|---|---|
Estimated full IQ | X̄ = 117, std = 13.7 | X̄ = 116.8, std = 12.2 | t = .15, p = .88 |
Age | X̄ = 44.4, std = 6.2 | X̄ = 45.2, std = 5.6 | t = −.54, p = .60 |
ADHD type | n/a | 13C, 13I, 2H | n/a |
Sex | 28F, 34M | 17F, 12M | χ2 = 1.4, p = .23 |
Non-right handed | 5 NR, 57 R | 4 NR, 25 R | fe p = .31 |
Anxiety | 2 affected | 6 affected | fe p = .01 |
Mood | 4 affected | 6 affected | fe p = .05 |
Medication | 3 subjects^ | 4 subjects^ |
Estimated Full IQ: estimated from block-design and vocabulary subtest of WAIS-R; ADHD type: C = combined, I = inattentive, H= hyperactive; NR = non-right-handed: R = right-handed; χ2 = chi-square test; fe = Fisher’s exact test; Anxiety/Mood reflect definite diagnosis of anxiety or mood disorder as assessed by direct interview using SADS-LAR(see text for reference); ĉontrol subjects on medication during EEG recording (1 Wellbutrin, 1 Celexa, 1 Lexapro), ADHD subjects on medication during EEG recording (2 Ritalin, 1 Paxil, 1 Celexa).