Table 1.
Fit statistics for latent class models fit to 2–7 classes (N = 735 PWID in Tijuana)
| Classes | AIC | BIC | sBIC | LMRT | Entropy |
|---|---|---|---|---|---|
| 2 | 7970.809 | 8104.205 | 8012.12 | <.0001 | 0.732 |
| 3 | 7818.46 | 8020.855 | 7881.14 | <.0001 | 0.792 |
| 4 | 7715.792 | 7987.184 | 7799.839 | 0.0074 | 0.786 |
| 5 | 7656.911 | 7997.302 | 7762.327 | 0.0089 | 0.851 |
| 6 | 7613.863 | 8023.251 | 7740.646 | 0.3231 | 0.833 |
| 7 | 7603.749 | 8082.135 | 7751.9 | 0.9622 | 0.825 |
AIC, Akaike Information Criteria; BIC, Bayesian Information Criteria; sBIC, sample size adjusted Bayesian Information Criteria; LMRT, Lo-Mendell-Rubin adjusted Likelihood Ratio Test P-value; PWID, people who inject drugs. Bold = Ideal number of classes given fit statistic. 5-class model selected for further analyses