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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Neuropsychologia. 2009 Apr 5;47(10):2082. doi: 10.1016/j.neuropsychologia.2009.03.021

Table 1.

Study demographics.

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).