| 2-Class | 3-Class | 4-Class | 5-Class | 6-Class | |
| AIC | 30,918.81 | 28,395.42 | 26,724.14 | 26,306.59 | 26,093.00 |
| BIC | 31,006.61 | 28,530.51 | 26,906.51 | 26,536.24 | 26,369.93 |
| BIC-adjusted | 30,965.30 | 28,466.96 | 26,820.71 | 26,428.20 | 26,239.65 |
| Entropy | 0.934 | 0.966 | 0.965 | 0.974 | 0.967 |
| AIC-DIFF | 2523.38 | 1671.29 | 417.55 | 213.59 | |
| VUONG-LO-MENDELL-RUBIN | |||||
| Likelihood | −21,680.24 | −15,446.40 | −14,177.71 | −13,335.07 | −13,119.29 |
| 2 Times the LL Difference | 12,467.67 | 2537.38 | 1685.29 | 431.55 | 227.59 |
| p-value | <0.001 | <0.001 | <0.001 | <0.001 | 0.020 |