Table 1. Demographic and clinical features of the sample.
| age (y) | % Male | % Familial | % syndromic | Geographic ancestry | |
|---|---|---|---|---|---|
| ASD (n= 260) | 11.8 ± 7.6 | 80 | 9.6 | 8.5 | France and Italy (n=29) |
| MR (n= 247) | 13.2 ± 11.6 | 64.8 | 34 | 62 | North western France |
| SZ (n= 236) | 38 ± 11 | 66.8 | 23.7 | / | North western France |
| Controls (n= 236) | 39.5 ± 16.8 | 43.8 | / | / | North western France |
ASD: autism spectrum disorder, SZ: schizophrenia and schizoaffective disorder, MR: mental retardation