Table 1.
Demographic information for the Oregon-ADHD-1000 and the Michigan-ADHD-1000 data sets at baseline.
| Oregon ADHD-1000 |
Michigan ADHD-1000 |
|||
|---|---|---|---|---|
| % Female |
39% |
44% |
||
| Mean Agea (SD) |
9.4 years (1.6) |
13.6 years (5.4) |
||
| Race / Ethnicity | Not Hispanic/Latino | Hispanic / Latino | Not Hispanic/Latino | Hispanic / Latino |
| American Indian / Alaska Native | 3 (0.2%) | 2 (0.1%) | 14 (1.1%) | 0 |
| Asian | 30 (2.1%) | 1 (0.07%) | 8 (0.6%) | 0 |
| Native Hawaiian / Pacific Islander | 5 (0.3%) | 2 (0.1%) | 2 (0.2%) | 0 |
| Black / African American | 38 (2.6%) | 3 (0.2%) | 123 (9.2%) | 0 |
| White | 1148 (79.2%) | 54 (3.7%) | 984 (73.9%) | 0 |
| More than One Race | 123 (8.5%) | 34 (2.3%) | 122 (9.2%) | 0 |
| Unknown / Not Reported | 5 (0.3%) | 2 (0.1%) | 17 (1.3%) | 61 (4.6%) |
| Mean Family Incomeb (SD) | 4.5 (2.0) | 3.8 (1.9) | ||
a
Age at baseline
b
Family income measures are based on the following scale: 1 =less than $25,000, 2 = $25,000-$35,000, 3 = $35,000-$50,000, 4 = $50,000-$75,000, 5 = $75,000-$100,000, 6 = $100,000-$130,000, 7 = $130,000-$150,000, 8 =more than $150,000.