Table 3.
Substance | Race | Initial Use* |
→ | Regular Use* |
→ | Problem Use* |
→ | Treatment Entry* |
---|---|---|---|---|---|---|---|---|
Alcohol | Caucasian | 11.7 (4.1) | 6.8 (6.0) | 18.5 (5.6) | 3.1 (6.0) | 21.5 (7.8) | 10.2 (8.5) | 32.3 (9.8) |
African American | 12.7 (4.6) | 5.4 (4.7) | 18.2 (4.9) | 2.0 (5.6) | 20.2 (6.8) | 15.6 (11.6) | 35.6 (10.8) | |
Marijuana | Caucasian | 13.6 (2.9) | 2.0 (2.9) | 15.6 (3.9) | .83 (3.4) | 16.6 (4.2) | 10.6 (7.9) | 27.4 (7.9) |
African American | 15.0 (3.4) | 2.4 (3.5) | 17.3 (4.4) | 1.0 (4.3) | 18.7 (5.6) | 14.2 (10.5) | 32.6 (10.4) | |
Cocaine | Caucasian | 20.4 (6.6) | 2.7 (5.3) | 23.0 (8.0) | 1.9 (6.1) | 25.1 (8.0) | 5.8 (5.8) | 30.1 (8.4) |
African American | 22.9 (7.2) | 2.5 (5.3) | 25.3 (8.6) | .97 (6.1) | 26.3 (8.2) | 10.4 (10.0) | 35.5 (10.6) |
Milestones (Initial Use, Regular Use, Problem Use, Treatment) reported as participant age [M(SD)]
Progression Measures reported as years elapsed between milestones [M(SD)]