Table 1:
Demographic Characteristics
| Study |
||||||
|---|---|---|---|---|---|---|
| HBN (n= 1301) | SRS Norm (n= 1179) | NDAR (n= 4954) | SSC (n= 5591) | AGRE (n= 2282) | IAN (n= 12646) | |
| Mean age (SD), years | 10.54 (3.17) | 9.06 (4.59) | 9.52 (4.59) | 9.03 (3.56) | 8.34 (3.54) | 9.77 (3.87) |
| Male % | 63 | 48.7 | 78.3 | 68.3 | 68.6 | 69.4 |
| Diagnostic | ||||||
| Groupa | ||||||
| ASD % | 8.2 | 100 | 68.1 | 57.9 | 100 | 64.3 |
| Unaffected | NA | NA | NA | 42.1 | NA | 35.6 |
| Sibling % | ||||||
| TD % | 12.9 | NA | 25.5 | NA | NA | NA |
| NDD/NPD% | 78.9 | NA | 6.4 | NA | NA | 0.1 |
Note: AGRE = Autism Genetic Research Exchange; ASD = autism spectrum disorder; HBN = Healthy Brain Network; IAN = Interactive Autism Research Database; NDAR = National Database for Autism Research; NDD/NPD = neuropsychiatric/neurodevelopmental disorders; SRS Norm = Social Responsiveness Scale standardization dataset; SSC = Simons Simplex Collection; TD = typically developing.
a
For detailed information on specific diagnoses see Supplement 1, available online.