Table 1. Distribution of subjects with regard to age, gender and education.

	adult ADHD (aADHD)	healthy Controls
N	40	40
Age (years) Mean ± SD	34.88±11.25	35.15±11.12
Gender (♂, ♀)	25, 15	25, 15
Education * Median, Range	3, 1–5	3, 1–5

NOTE: ^* Education was ordinally measured with 1 =  Compulsory schooling not completed (less than 9 years of school) or special school; 2 =  Completed compulsory schooling (9–10 years of school); 3 =  Completed vocational training (10–12 years of school); 4 =  Highschool graduation with university entrance exam (12–13 years of school); 5 =  University or college degree.