Table 1.
Fit indices for 1- to 4-class latent class mixture models of freezing behavior (n = 58).
| Fit indices | AIC | BIC | SSBIC | BLRT | Entropy |
|---|---|---|---|---|---|
| LINEAR WEIGHTS | |||||
| 1 Class | 15012.96 | 15074.77 | 14980.45 | – | – |
| 2 Class | 14745.79 | 14815.84 | 14708.94 | p < 0.001 | 0.99 |
| 3 Class | 14704.81 | 14783.11 | 14663.63 | p < 0.001 | 0.96 |
| 4 Class | 14654.61 | 14741.15 | 14609.10 | p = 0.67 | 0.97 |
| LINEAR + QUADRATIC WEIGHTS | |||||
| 1 Class | 14957.96 | 15023.90 | 14630.28 | – | – |
| 2 Class | 14672.00 | 14750.30 | 14630.82 | p < 0.001 | 0.96 |
| 3 Class | 14529.38 | 14620.03 | 14481.69 | p < 0.001 | 0.96 |
| 4 Class | 14556.27 | 14659.29 | 14502.08 | p = 0.09 | 0.98 |
Information Criteria and model fit indices for best fitting model in bold. AIC, Akaike Information Criterion; BIC, Bayesian Information Criterion; SSBIC, Sample Size Adjusted Bayesian Information Criterion; LRT, Lo-Mendell-Rubin Test; BLRT, Bootstrap Likelihood Ratio Test. 1- to 4-class solutions were tested with linear and quadratic parameters.