Table 3 Means and standard deviations for age for each group of children with Autism Spectrum Disorder (ASD), Down Syndrome (DS), and idiopathic intellectual disability (ID).
Group | N | Chronological Age (years) (SD) |
|---|---|---|
Total | 164 | 10.7 (3.9) |
ASD | 101 | 9.7 (3.5) |
DS | 20 | 11.8 (3.7) |
ID | 43 | 10.6 (3.5) |