Table 3.
Mean and SD of cognitive scores, VABS scores and autism severity measures for the groups with and without a history of developmental regression.
| Regression− | Regression+ | F | p | η2 | |||
|---|---|---|---|---|---|---|---|
| n | M(SD) | n | M(SD) | ||||
| Age | |||||||
| DQ/IQ | 624 | 80.0 (22.1) | 128 | 73.2 (19.9) | 10.6** | 0.001 | 0.014 |
| VABS | 757 | 173 | |||||
| Communication | 80.0 (15.8) | 73.5 (16.7) | 23.9*** | 0.000 | 0.025 | ||
| DLS | 76.2 (12.3) | 72.6 (13.8) | 11.6** | 0.001 | 0.012 | ||
| Socialization | 74.1 (10.7) | 69.6 (12.0) | 24.4*** | 0.000 | 0.026 | ||
| Motor skills | 84.9 (13.9) | 84.3 (15.5) | 0.3 | 0.595 | 0.000 | ||
| ADOS-CSS | 943 | 219 | |||||
| SA | 6.9 (2.2) | 7.3 (2.1) | 8.1** | 0.004 | 0.007 | ||
| RRB | 8.1 (1.7) | 8.3 (1.8) | 2.9 | 0.89 | 0.002 | ||
| ADI-R | 967 | 227 | |||||
| Social interaction | 13.9 (6.5) | 18.4 (15.4) | 47.1*** | 0.000 | 0.038 | ||
| Communication | 10.3 (4.0) | 11.6 (3.9) | 20.9*** | 0.000 | 0.017 | ||
| RRB | 4.8 (2.5) | 5.4 (2.4) | 9.0** | 0.003 | 0.007 | ||
***
p < 0.001,
**
p < 0.01.