Table 1.
Participant Characteristics
| ASD n=77 |
TDC n=82 |
p-value | Hedges g | |
|---|---|---|---|---|
| Age – M(SD) | 149 mo (31 mo) | 149 mo (33mo) | 0.94 | 0.01 |
| GCA – M(SD) | 108 (18) | 112 (17) | 0.16 | 0.24 |
| Sex-Ratio (M:F) | 60:17 | 67:15 | 0.69 | -- |
| ADOS Social Affect | 8.65 (3.59) | -- | -- | |
| ADOS Repetitive Behaviors | 2.30 (1.64) | -- | -- | |
| ADOS Total Score | 10.95 (3.72) | -- | -- | |
| ADOS Calibrated Severity Score | 6.39 (2.05) | -- | -- | |
| ADHD-IV Rating Scale Total Score | 23.84 (11.56) | 4.28 (4.53) | <.001 | 2.24 |
| CASI-IV – Anxiety (20 items) | 12.49 (8.18) | 1.84 (2.33) | <.001 | 1.79 |
| In-Scanner Motion (Relative Mean Displacement) | 0.10 (0.05) | 0.11 (0.04) | 0.29 | 0.17 |
ADOS=Autism Diagnostic Observation Schedule (Revised Algorithm); ASD=Autism Spectrum Disorder; CASI=Child and Adolescent Symptom Inventory, 4th Edition; GCA=General Conceptual Ability; mo=months; TDC=Typically Developing Control