| Category | Value | |
| Age (years) | 12.7 (mean) | |
| 13 (median) Interquartile range = 4 | ||
| Gender | 90.3% female | |
| Race/Ethnicity (%) | Hispanic Caucasian | 58 |
| African-American | 19 | |
| Caucasian (non-Hispanic) | 19 | |
| >1 race identified (Other) | 3 | |