TABLE 2.
Model fit indices for one- to six-latent profile solutions and corresponding profile prevalence.
| Model | k | AIC | BIC | aBIC | Entropy | LMR | BLRT | Profile prevalence |
| 1C | 20 | 507333.777 | 507488.592 | 507425.034 | – | – | – | 1 |
| 2C | 31 | 468278.594 | 468518.559 | 468420.043 | 0.898 | 0.0000 | 0.0000 | 0.710/0.290 |
| 3C# | 42# | 450841.173# | 451166.286# | 451032.813# | 0.920# | 0.0000# | 0.0000# | 0.631/0.234/0.135# |
| 4C | 53 | 445237.999 | 445648.261 | 445479.830 | 0.928 | 0.0000 | 0.0000 | 0.065/0.237/0.628/0.070 |
| 5C | 64 | 433192.110 | 433687.520 | 433484.132 | 0.943 | 0.0000 | 0.0000 | 0.078/0.595/0.062/0.057/0.207 |
| 6C | 75 | 429886.904 | 430467.464 | 430229.119 | 0.923 | 0.0000 | 0.0000 | 0.062/0.078/0.486/0.194/0.122/0.057 |
AIC, Akaike information criterion; BIC, Bayesian information criterion; aBIC, adjusted Bayesian information criterion; LMR, Lo–Mendell–Rubin test; BLRT, bootstrap likelihood ratio test. #Selected as the optimal model.