Table 1 Baseline characteristics of parents with a history of depression and their offspring with ADHD
Characteristics of parents | Mothers (n = 3872) | Fathers (n = 1733) |
|---|---|---|
Age at baseline, No. (%) | ||
20–29 years | 445 (11.5) | 125 (7.2) |
30–39 years | 2351 (60.7) | 975 (56.3) |
40–49 years | 1076 (27.8) | 633 (36.5) |
Civil status, No. (%) | ||
Unmarried | 1459 (37.7) | 736 (42.5) |
Married | 1406 (36.3) | 555 (32.0) |
Divorced | 984 (25.4) | 429 (24.8) |
Widowed | 13 (0.3) | 5 (0.2) |
Missing | 10 (0.3) | 8 (0.5) |
Highest education achieved, No. (%) | ||
Basic education | 836 (21.6) | 439 (25.3) |
Upper secondary education | 2187 (56.5) | 1064 (61.4) |
Tertiary education | 847 (21.9) | 230 (13.3) |
Missing | 2 (0.1) | 0 (0.0) |
Employment, No. (%) | ||
Employed | 2074 (53.6) | 1092 (63.0) |
Unemployed | 1792 (46.3) | 634 (36.6) |
Missing | 6 (0.2) | 7 (0.4) |
Offspring, No. | 4340 | 1928 |
Sex of offspring, No. (%) | ||
Female | 1315 (30.3) | 604 (31.3) |
Male | 3025 (69.7) | 1324 (68.7) |
Age of offspring at baseline, No. (%) | ||
6–10 years | 2419 (55.7) | 1091 (56.6) |
11–15 years | 1605 (37.0) | 709 (36.8) |
16–17 years | 316 (7.3) | 128 (6.6) |
At least one on-medication period, No. (%) | 3344 (77.1) | 1527 (79.2) |