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Table 3. 

Demographic and Clinical Characteristics for Participants in Experiment 5

ADHD (n = 25)Healthy Controls (n = 40)Total (n = 65)
Demographic Characteristics 
Gender 
 Female 13 (52%) 17 (43%) 30 (46%) 
 Male 12 (48%) 23 (58%) 35 (54%) 
Age 18.6 (5.7) 17.6 (4.1) 18.0 (4.8) 
Age range 12–30 12–28 12–30 
 
Clinical Characteristics 
FSIQa 115.2 (14.3) 117.3 (11.1) 116.4 (12.4) 
Letter–Word Identification Scorea 109.0 (12.1) 110.6 (9.0) 110.0 (10.3) 
Math Calculation Scorea 110.2 (12.5)* 117.0 (12.6)* 114.3 (12.9) 
DSM Inattention Subscale Scoreb 79.3 (12.7)* 45.6 (6.4)* 58.8 (19.0) 
DSM Hyperactive-Impulsive Subscaleb 79.7 (12.8)* 45.3 (4.2)* 58.7 (18.9) 
ADHD (n = 25)Healthy Controls (n = 40)Total (n = 65)
Demographic Characteristics 
Gender 
 Female 13 (52%) 17 (43%) 30 (46%) 
 Male 12 (48%) 23 (58%) 35 (54%) 
Age 18.6 (5.7) 17.6 (4.1) 18.0 (4.8) 
Age range 12–30 12–28 12–30 
 
Clinical Characteristics 
FSIQa 115.2 (14.3) 117.3 (11.1) 116.4 (12.4) 
Letter–Word Identification Scorea 109.0 (12.1) 110.6 (9.0) 110.0 (10.3) 
Math Calculation Scorea 110.2 (12.5)* 117.0 (12.6)* 114.3 (12.9) 
DSM Inattention Subscale Scoreb 79.3 (12.7)* 45.6 (6.4)* 58.8 (19.0) 
DSM Hyperactive-Impulsive Subscaleb 79.7 (12.8)* 45.3 (4.2)* 58.7 (18.9) 

Data are summarized as mean (SD) for the continuous variables and frequency (%) for gender. FSIQ = Full-scale Wechsler Abbreviated Scale of Intelligence.

*Wilcoxon two-sample test p < .05.

aFrequency missing in healthy control group = 2.

bFrequency missing in healthy control group = 1.

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