Table 1. Sample description.
| SSC | AGRE | AC | ||||
|---|---|---|---|---|---|---|
| ASD | ADHD | ASD | ADHD | ASD | ADHD | |
| Sample size | 2394 | 133 | 400 | 17 | 4 | 0 |
| Age | ||||||
| Q1 | 70.75 | 109.5 | 99.69 | 103.56 | 58 | 0 |
| Median | 97 | 134.5 | 129.36 | 133.4 | 64.5 | 0 |
| Q2 | 132 | 163.5 | 163.08 | 156.36 | 71 | 0 |
| IQR | 61.25 | 54 | 63.69 | 52.8 | 13 | 0 |
Abbreviations: AC, Boston Autism Consortium; ADHD, attention deficit hyperactivity disorder; AGRE, autism genetic resource exchange; ASD, autism spectrum disorder; IQR, inter-quartile range; Q1, first quartile; Q3, third quartile; SSC, Simons Simplex Collection.
All ages are in months.