TABLE 4.
Estimated probabilities of Alcohol Abuse and Dependence symptoms by classes and estimated prevalence of three classes of adolescent drinkers in Puerto Ricoa
| Symptom | Class 1 Low (86.0%) | Class 2 Moderate (11.7%) | Class 3 High (2.3%) | |||
|---|---|---|---|---|---|---|
| A1: Failure to fulfill role | 1.2 | (0.2–2.1) | 15.3 | (6.6–24.1) | 75.1 | (34.9–100) |
| A2: Use in hazardous situations | 0.2 | (0.0–0.9) | 50.8 | (36.6–65.1) | 81.0 | (53.8–100) |
| A3: Legal problems | 0.0 | (0.0–0.0) | 1.3 | (0.0–3.8) | 45.3 | (9.9–80.7) |
| A4: Social problems | 3.0 | (1.4–4.5) | 47.8 | (33.7–61.8) | 100.0 | (100.0–100.0) |
| D2: Withdrawal | 0.0 | (0.0–0.0) | 18.8 | (7.9–29.7) | 93.8 | (76.8–100.0) |
| D3: Used more than intended | 5.2 | (3.0–7.4) | 56.7 | (44.3–69.2) | 48.1 | (13.9–82.2) |
| D4: Unable to cut down | 1.6 | (0.2–3.0) | 47.0 | (33.2–60.7) | 84.5 | (62.4–100.0) |
| D5: A lot of time spent drinking | 0.6 | (0.0–1.4) | 42.0 | (27.5–56.6) | 92.1 | (75.9–100.0) |
| D6: Activities given up | 0.2 | (0.0–0.5) | 6.4 | (0.0–14.1) | 91.9 | (75.3–100.0) |
| D7: Use despite physical or psychological problems | 0.0 | (0.0–0.0) | 10.7 | (3.3–18.2) | 80.7 | (46.3–100.0) |
a
Estimated probabilities and 95% confidence intervals are conditional on most likely class membership; estimated prevalence of most likely latent class in the total sample.