Table 2.
Fit indices for latent class trajectory models for bullying perpetration and narcissistic personality traits.
| No. of groups | BIC | LMR-LRT | BLRT | Entropy |
|---|---|---|---|---|
| Bullying perpetration | ||||
| 1 Class | 1,538.881 | NA | NA | NA |
| 2 Class | 543.949 | 0.0003 | <0.0001 | 0.887 |
| 3 Class | 383.820 | 0.1935 | <0.0001 | 0.887 |
| 4 Class | 222.736 | 0.1617 | <0.0001 | 0.867 |
| Narcissistic personality traits | ||||
| 1 Class | 5,847.648 | NA | NA | NA |
| 2 Class | 5,080.095 | 0.0001 | <0.0001 | 0.712 |
| 3 Class | 4,763.161 | 0.0011 | <0.0001 | 0.746 |
| 4 Class | 4,653.383 | 0.0594 | <0.0001 | 0.736 |
BIC, Bayesian information criterion; LMR-LRT, Lo-Mendell-Rubin likelihood ratio test; BLRT, bootstrapped likelihood ratio test.