Table 1.
Summary Statistics by Site
| Site | Site ID | N | ADHD (%) | RightHanded (%) | Male (%) | Age (SD) |
|---|---|---|---|---|---|---|
| Kennedy Krieger Institute | Site 3 | 83 | 0.27 | 0.9 | 0.55 | 10.24 (1.35) |
| NeuroImage Sample | Site 4 | 48 | 0.52 | 0.88 | 0.65 | 16.99 (2.74) |
| New York University Child Study Center | Site 5 | 216 | 0.55 | 0.99 | 0.65 | 11.67 (2.92) |
| Oregon Health & Science University | Site 6 | 79 | 0.47 | 1 | 0.54 | 8.84 (1.12) |
| Beijing University | Site 1 | 194 | 0.4 | 0.98 | 0.74 | 11.98 (1.86) |
| University of Pittsburgh | Site 7 | 89 | - | 0.96 | 0.52 | 15.11 (2.9) |
| Washington University in St. Louis | Site 8 | 50 | - | 1 | 0.54 | 11.33 (3.57) |