Table 1.
Descriptive statistics of the population.
| Variable | TD (n = 33) | ASD (n = 31) | t/z-stats | p value |
|---|---|---|---|---|
| Gender | 26 boys, 7 girls | 26 boys, 5 girls | 0.51 | 0.60 |
| Age (months) | 20.36 (1.61) | 32.62 (6.13) | − 11.10 | < 0.001 |
| MSEL, Expressive | 19.97 (5.12) | 17.84 (7.29) | 1.36 | 0.18 |
| MSEL, Receptive | 24.32 (3.76) | 21.61 (9.23) | 1.48 | 0.14 |
| CDI, Understands | 188.67 (88.15) | 159.03 (108.20) | 1.21 | 0.23 |
| ADOS, Total | 0.79 (1.30) | 13.90 (3.84) | − 18.39 | < 0.001 |
| ADOS, Social Affect | 0.26 (0.73) | 8.90 (2.82) | − 16.86 | < 0.001 |
| ADOS, Restricted and Repetitive Behaviors | 0.09 (0.30) | 1.97 (1.58) | − 6.70 | < 0.001 |
| CARS | 15.80 (1.59) | 36.06 (6.75) | − 16.79 | < 0.001 |
| Parental Educationa | 8.11 (1.95) | 7.60 (2.45) | 0.90 | 0.37 |
Note. All values are Means (Standard Deviation) of raw scores.
a
Parental education was measured by years beyond 8th grade.