Table 1 Characteristics of responders and non-responders at the 11-year follow-up of the Danish National Birth Cohort.
Non-responders | Responders | Total | |
|---|---|---|---|
Overall, n | 49,017 (50.9) | 47,365 (49.1) | 96,382 (100.0) |
Sex (Girls), n (%) | 22,229 (45.3) | 24,750 (52.3) | 46,979 (48.7) |
Year of birth, mean (sd) | 2000.3 (1.5) | 2000.2 (1.4) | 2000.2 (1.4) |
Somatic morbiditya (yes), n (%) | 3373 (6.9) | 2708 (5.7) | 6081 (6.3) |
Psychiatric morbidityb (Yes), n (%) | 923 (1.9) | 599 (1.3) | 1522 (1.6) |
CCIc, n (%) | |||
0 | 46,520 (95.1) | 45,320 (95.9) | 91,840 (95.5) |
1 | 2119 (4.3) | 1764 (3.7) | 3883 (4.0) |
2 + | 274 (0.6) | 195 (0.4) | 469 (0.5) |
Maternal education, n (%) | |||
Lower secondary/primary | 5938 (12.7) | 2649 (5.7) | 8587 (9.2) |
Upper secondary | 21,764 (46.5) | 17,448 (37.3) | 39,212 (41.9) |
Tertiary | 19,129 (40.8) | 26,735 (57.1) | 45,864 (49.0) |
Cohabitating (yes), n (%) | 44,827 (91.5) | 44,597 (94.2) | 89,424 (92.8) |
Multiparous (yes), n (%) | 26,362 (53.8) | 24,534 (51.8) | 50,896 (52.8) |
All hospital contacts, median (IQI)d | 3 (1; 9) | 3 (1; 7) | 3 (1; 8) |
In-patient contacts, median (IQI)d | 0 (0; 1) | 0 (0; 0) | 0 (0; 0) |
ERe contacts, median (IQI)d | 1 (0; 2) | 1 (0; 2) | 1 (0; 2) |
Out-patient contacts, median (IQI)d | 2 (0; 6) | 1 (0; 5) | 2 (0; 5) |