Table 1.
Characteristic | Study Sample, % | |||||
---|---|---|---|---|---|---|
Parents | Biological Siblings | Adoptive | ||||
Biological | Adoptive | Full | Half | Siblings | Child | |
No. of adopted children with at least 1 of this type of relative | 18115 | 18115 | 3524 | 14884 | 8597 | 18115 |
No. of relatives with information | 27241 | 36230 | 7301 | 43537 | 14978 | |
Adoptive child’s sex (male) | 52.2 | |||||
Drug abuse | 5.8 | 1 | 6.3 | 5.4 | 3.4 | |
Hospitalization owing to psychiatric disease | 18.8 | 3.1 | 19 | 20.8 | 8.4 | |
Alcohol use disorder | 16.2 | 3.3 | 19.3 | 23.6 | 8.1 | 9.4 |
Criminal conviction | 41.3 | 9.4 | 61.3 | 62.8 | 36.8 | |
Mean maternal age, y | 24.4 | 37.5 | ||||
Maternal divorce | 38.7 | 6.8 | ||||
Education | ||||||
High (≥75th percentile) | 23.5 | 57.2 | ||||
Low (<75th percentile) | 76.5 | 42.8 |