Table 1 Sample characteristics
From: Early sex differences are not autism-specific: A Baby Siblings Research Consortium (BSRC) study
| Â | High-risk | High-risk | Low-risk |
|---|---|---|---|
Variable | ASD (n = 252) | Non-ASD (n = 989) | Non-ASD (n = 583) |
Sex (% male) | 76.6 | 52.7 | 50.8 |
Age first seen (months) | 7.62 (3.58) | 7.39 (3.46) | 6.85 (2.94) |
Age at outcome (months) | 37.13 (2.06) | 36.97 (1.97) | 36.97 (2.18) |
Proband sex (% male) | 80.7 | 83.8 | – |
Multiplex (%) | 15.3 | 5.6 | – |
Non-Caucasian (%) | 17.6 | 15.3 | 14.2 |
Maternal education (%Â H.S.) | 11.9 | 7.1 | 4.0 |
Paternal education (%Â H.S.) | 16.3 | 11.1 | 9.3 |