Table 1.
Demographic characteristics of the at-risk sample
| Toddler characteristics | Total (n=669) | ASD (n=306) | Non-ASD (n=363) |
|---|---|---|---|
| Mean age months (SD) | 25.6 (5.2) | 25.9 (5.0) | 25.4 (5.4) |
| Female n (%) | 201 (30.0) | 74 (24.2) | 127 (35.0) |
| Race n (%) | |||
| Black | 145 (21.7) | 81 (26.5) | 64 (17.6) |
| White | 251 (37.5) | 123 (40.2) | 128 (35.3) |
| Other | 136 (20.3) | 70 (22.9) | 66 (18.2) |
| Not reported | 137 (20.5) | 32 (10.4) | 105 (28.9) |
| Parent characteristics | Mother (n=553) | Father (n=490) |
|---|---|---|
| Mean age years (SD) | 31.99 (8.02) | 35.09 (7.82) |
| Education level n (%) | ||
| College degree or more | 260 (38.9) | 122 (18.2) |
| Less than college degree | 308 (46.0) | 191 (28.6) |
| Not reported | 101 (15.1) | 356 (53.2) |