Table 1.
Characteristics of the children in the autistic (AUT) and nonautistic (non-AUT) groups.
| AUT | non-AUT | P | |
|---|---|---|---|
| Age—mean (SD) | 4.3 (1.2) | 3.6 (1.0) | ns |
| Gender (n) | ns | ||
| Male | 12 | 7 | |
| Female | 3 | 1 | |
| Race/ethnicity (n) | ns | ||
| White | 15 | 7 | |
| Black | 0 | 1 | |
| SES-Hollingshead (n) | ns | ||
| Mid/high (levels I–III) | 15 | 7 | |
| Low (levels IV-V) | 0 | 1 | |
| Vineland scores—mean (SD) | |||
| Communication | 64.1 (14.6) | 73.4 (16.9) | ns |
| Daily living | 56.6 (5.2) | 71.4 (10.9) | <.01 |
| Socialization | 57.4 (5.1) | 74.4 (12.9) | <.01 |
| Motor | 66.2 (11.5) | 76.4 (15.6) | ns |
| Vineland composite | 56.3 (6.1) | 69.3 (14.8) | <.01 |
| IQ estimate—mean (SD) | 71.9 (28.7) | 75.0 (18.7) | ns |