Table 1.
Schulsinger et al. (1979): Adoption Study: Rates of Suicide in Biological Versus Adoptive Relatives of Adoptees who Committed Suicide and of Live Adoptee Controls*
| Adopted | Index cases | Suicide/biological relatives | Suicide/adopted relatives |
|---|---|---|---|
| Suicide | 57 | 12/269* | 0/148 |
| Controls | 57 | 2/269 | 0/150 |
P < 0.01.
From Schulsinger et al. A family study of suicide. In: Schou M, Stromgren E, eds. Origin, Prevention and Treatment of Affective Disorders. London: Academic Press 1979: 277–287, with permission.