Table 2. Fit indices for the PP-LCGA based on YSR and ASR wave 1–4 INT and EXT subscales.
| Fit indices | |||||
|---|---|---|---|---|---|
| #c | AIC | BIC | BLRT | entropy | Smallest class |
| 1 | 32373.621 | 32448.228 | - | - | 1524 |
| 2 | 30037.283 | 30149.194 | < .0001 | .789 | 690 |
| 3 | 29559.321 | 29708.536 | < .0001 | .756 | 242 |
| 4 | 29289.988 | 29476.506 | < .0001 | .712 | 298 |
| 5 | 29091.051 | 29314.873 | < .0001 | .708 | 187 |
| 6 | 28903.303 | 29164.429 | < .0001 | .709 | 178 |
| 7 | 28756.655 | 29055.084 | < .0001 | .716 | 106 |
| 8 | 28666.440 | 29002.173 | < .0001 | .712 | 92 |
AIC = Akaike Information Criterion, BIC = Bayesian Information Criterion., BLRT = Bootstrapped Likelihood Ratio Test. Based on fit indices, combined with the most informative trajectory profiles, the 4-class model was chosen for further analyses