Table 1.
Participant characteristics at time of scan (N = 157)
| Characteristic | Percentage |
|---|---|
| Race | |
| Black | 37 |
| White | 54 |
| Other or mixed race | 9 |
| Highest level of school completed | |
| Below grade 12 | 11 |
| Grade 12 or GED | 50 |
| Some college | 36 |
| Associate’s degree or trade school | 3 |
| Primary caregiver’s highest level of school completed | |
| Below grade 12 | 4 |
| Grade 12 or GED | 34 |
| Some college or trade school | 50 |
| Completed 4 years of college | 9 |
| Completed graduate or professional school | 3 |
| ADS score > 8 | 17 |
| Mean (s.d.) | |
| Age | 19.52 (0.51) |
| Age of first significant alcohol use (≥10×/year) | 16.84 (1.56) |
| Stressful life events score, ages 15-18 | 43.69 (26.44) |
| Age 15 | 11.16 (7.79) |
| Age 16 | 9.93 (7.65) |
| Age 17 | 13.93 (10.59) |
| Age 18 | 8.67 (6.40) |
| LES score, age 20 | 8.82 (9.51) |
| ADS score | 4.91 (4.39) |
| Mean neighborhood disadvantage | 0.20 (0.67) |
Note: Scores above 8 on the ADS indicate likely alcohol dependence. Scores above 0 for mean neighborhood disadvantage indicate moderate to high risk. GED, General Educational Development test of high-school level academic skills.