Study sample characteristics: race and handedness
| Boys (n = 26) | Girls (n = 25) | Total (n = 51) | ||||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| Race | ||||||
| Caucasian | 13 | 25 | 8 | 16 | 21 | 41 |
| African American | 10 | 20 | 15 | 29 | 25 | 49 |
| Other | 3 | 6 | 2 | 4 | 5 | 10 |
| Handedness | ||||||
| Right | 19 | 37.3 | 21 | 41.2 | 40 | 78 |
| Left | 7 | 13.7 | 4 | 7.8 | 11 | 22 |
| Mixed | 0 | 0 | 0 | 0 | 0 | 0 |