Table 1. Model Fit for Five Indices of Alcohol Involvement.
| Measure of alcohol involvement and fit index |
Number of classes |
|||
|---|---|---|---|---|
| 2-class | 3-class | 4-class | 5-class | |
| Alcohol use disorder | ||||
| AIC | 1,563.74 | 1,551.65 | 1,519.46 | 1,522.66 |
| BIC | 1,583.40 | 1,583.10 | 1,562.71 | 1,577.71 |
| Entropy | .88 | .85 | .76 | .76 |
| Alcohol dependence | ||||
| AIC | 7,456.31 | 7,354.70 | 7,313.14 | — a |
| BIC | 7,511.36 | 7,421.55 | 7,391.78 | — a |
| Entropy | .94 | .94 | .90 | — a |
| Alcohol consequences | ||||
| AIC | 6,879.14 | 6,779.28 | 6,751.90 | 6,743.92 |
| BIC | 6,934.19 | 6,846.13 | 6,830.55 | 6,834.37 |
| Entropy | .94 | .92 | .92 | .90 |
| Alcohol quantity–frequencyb | ||||
| AIC | 4,953.96 | 4,929.53 | 4,904.80 | 4,880.60 |
| BIC | 5,009.01 | 4,996.38 | 4,983.45 | 4,971.04 |
| Entropy | .68 | .67 | .73 | .77 |
| Heavy drinking | ||||
| AIC | 6,622.62 | 6,592.86 | 6,497.64 | 6,513.64 |
| BIC | 6,677.86 | 6,659.93 | 6,576.55 | 6,604.34 |
| Entropy | .94 | .83 | .87 | .90 |
Note. N = 377. AIC = Akaike’s information criterion; BIC = Bayesian information criterion.
a
Model would not converge.
b
Variable is log-transformed (after adding 1).