Table 1 Characteristics of women with and without ADHD, number (%) or mean ± standard deviation
|  | Non-ADHD (N = 24,369) | ADHD (N = 2299) |
|---|---|---|
Age | ||
 Mean (SD) | 44.9 (13.5) | 36.7 (12.5) |
Age group, years | ||
 18–29 | 4090 (16.8%) | 836 (36.4%) |
 30–39 | 4754 (19.5%) | 580 (25.2%) |
 40–49 | 5531 (22.7%) | 454 (19.7%) |
 50–59 | 5888 (24.2%) | 302 (13.1%) |
 60–69 | 4106 (16.8%) | 1127 (5.5%) |
Relationship status | ||
 In a relationship | 18,647 (76.5%) | 1503 (65.4%) |
 Single | 5607 (23.0%) | 773 (33.6%) |
 Unknown | 115 (0.5%) | 23 (1.0%) |
Number of children | ||
 0 | 4408 (18.1%) | 697 (30.3%) |
 1–2 | 9632 (39.5%) | 845 (36.8%) |
 3 +  | 10,192 (41.8%) | 739 (32.1%) |
 Unknown | 137 (0.6%) | 18 (0.8%) |
Education | ||
 Elementary | 3255 (13.4%) | 601 (26.1%) |
 High school | 7310 (30.0%) | 857 (37.3%) |
 University | 7933 (32.6%) | 550 (23.9%) |
 University, higher education | 5787 (23.7%) | 275 (12.0%) |
 Unknown | 84 (0.3%) | 16 (0.7%) |
Monthly income, in Euros | ||
 Low (< 980) | 1553 (6.4%) | 252 (11.0%) |
 Low-medium (981–1960) | 5234 (21.5%) | 828 (36.0%) |
 Medium (1961–3264) | 7307 (30.0%) | 704 (30.6%) |
 High-medium (3265–4559) | 5843 (24.0%) | 302 (13.1%) |
 High (> 4560) | 3493 (14.3%) | 129 (5.6%) |
 Unknown | 939 (3.9%) | 84 (3.7%) |
Employment status | ||
 Employed/studying | 20,723 (85.0%) | 1725 (75.0%) |
 Retired/disability/sick leave | 3491 (14.3%) | 550 (23.9%) |
 Unknown | 155 (0.6%) | 24 (1.0%) |
Disability benefits | ||
 Yes | 2145 (8.8%) | 514 (22.4%) |
 No or unknown | 22,224 (91.2%) | 1785 (77.6%) |
Smoking status | ||
 Never | 11,792 (48.4%) | 776 (33.8%) |
 Former | 8808 (36.1%) | 907 (39.5%) |
 Current | 3486 (14.3%) | 588 (25.6%) |
 Unknown | 283 (1.2%) | 28 (1.2%) |
Other nicotine use | ||
 No | 21,089 (86.5%) | 1630 (70.9%) |
 Yes | 3011 (12.4%) | 635 (27.6%) |
 Unknown | 269 (1.1%) | 34 (1.5%) |
Binge drinking | ||
 Monthly or more often | 3219 (13.2%) | 442 (19.2%) |
 Never or less than once a month | 20,849 (85.6%) | 1831 (79.6%) |
 Unknown | 301 (1.2%) | 26 (1.1%) |