Table 1.
Number of subjects participating at 5 critical time points
| Initial | Middle Childhood Age 7 | Adolescence Ages 9–15 | Adult Battery“Age 16” | Age 18+ | |
|---|---|---|---|---|---|
| Birth Mother1 | 286 | -- | -- | -- | -- |
| Birth Father1 | 60 | -- | -- | -- | -- |
| Adopting Mother | 242 | -- | -- | -- | -- |
| Adopting Father | 237 | -- | -- | -- | -- |
| Control Mother | 243 | -- | -- | -- | -- |
| Control Father | 244 | -- | -- | -- | -- |
| Adopted Proband | 245 | 201 | 208 | 215 | 201 |
| Adopting Family Sibs | 109 | 101 | 109 | 2102 | 1952, 3 |
| Control Proband | 245 | 218 | 228 | 232 | 220 |
| Control Family Sibs | 117 | 110 | 117 | 2602 | 2472,3 |
1
Includes 41 mothers and 10 fathers whose children were placed as siblings.
2
Includes older and younger siblings not invited to participate at ages 1–15, 110 in adopting and 148 in control families, respectively.
3
Includes 17 siblings in 15 families who continued participation though the proband did not.