Table 1. Characteristics of participants in the three groups.
ADHD: Attention-Deficit/Hyperactivity Disorder, SD: standard deviation Values in parentheses indicate percentages within the group. Sex and employment were analyzed using the χ2 test and age using one-way analysis of variance. The value of χ2 for sex was 5.33 and that for employment was 14.23.
| Pseudo-ADHD group (N = 46) | Adult ADHD group (N = 23) | Healthy control group (N = 758) | P-value | |
| Sex | 0.256 | |||
| Male (%) | 29 (63.04) | 12 (52.17) | 361 (47.63) | |
| Female (%) | 16 (34.78) | 11 (47.83) | 389 (51.32) | |
| No-response (%) | 1 (2.17) | 0 (0.00) | 8 (1.06) | |
| Age±SD | 38.89±10.74 | 33.87±9.82 | 42.94±10.27 | < 0.001 |
| Employment | 0.027 | |||
| Employed (%) | 30 (65.22) | 13 (56.52) | 493 (65.04) | |
| Unemployed (%) | 6 (13.04) | 4 (17.39) | 175 (23.09) | |
| Student (%) | 1 (2.17) | 2 (8.70) | 10 (1.32) | |
| Other (%) | 9 (19.57) | 4 (17.39) | 80 (10.55) |