Table 3.
Class characteristics (sex, race, age, alcohol and trauma).
| Class 1 : Lowest Symptom | Class 2 : Moderate Alcohol + Mild PTS | Class 3 : Mild Alcohol + High PTS | Class 4 : Highest Symptom | |
|---|---|---|---|---|
| Severity | Severity | Severity | Severity | |
| N = 1134 | N = 623 | N = 544 | N = 177 | |
| Male, % | 44.6 | 61.8 | 37.1 | 49.2 |
| Female, % | 55.4 | 38.2 | 62.9 | 50.9 |
| Black, % | 34.7 | 21.2 | 41.2 | 17.5 |
| White, % | 65.3 | 78.8 | 58.8 | 82.5 |
| Experienced physical assault, % | 25.9 | 39.3 | 48.5 | 59.9 |
| Age first physical assault, Mean (SD) | 15.1 (4.8) | 15.9 (4.4) | 15.2 (5.0) | 15.6 (4.0) |
| Experienced sexual assault, % | 9.5 | 11.2 | 33.5 | 33.9 |
| Age first sexual assault, Mean (SD) | 11.8 (5.7) | 11.7 (5.9) | 11.9 (5.4) | 12.6 (5.1) |
| Experienced non-assaultive trauma, % | 97.6 | 97.1 | 98.4 | 98.9 |
| Age first non-assaultive trauma, Mean (SD) | 12.9 (5.5) | 14.0 (5.4) | 13.3 (5.5) | 13.9 (5.6) |
| Met PTSD diagnosis criteria, % | 0 | 0 | 34.0 | 29.9 |
| Age first drink, Mean (SD) | 16.7 (2.5) | 15.0 (2.2) | 15.9 (2.8) | 13.9 (2.3) |
| Age first got drunk, Mean (SD) | 17.7 (2.4) | 15.9 (2.1) | 17.2 (2.6) | 15.1 (2.2) |
| Met AUD diagnosis criteria, % | 0.09 | 82.2 | 35.1 | 100.0 |
| Age first met AUD criteria, Mean (SD) | 22.0 (–)a | 18.7 (2.7) | 19.8 (2.7) | 17.5 (3.1) |
| Mother AUD | 14.7 | 17.2 | 21.3 | 13.6 |
| Father AUD | 23.3 | 24.6 | 25.4 | 33.9 |
| Both parents AUD | 15.4 | 25.2 | 20.0 | 36.7 |
a
Only 1 person met these criteria.