Table 4.
Results of the unconditional latent growth model for the trajectory of conduct problems.
| Growth parameter | Unconditional model estimates | ||
|---|---|---|---|
| b | SE | t | |
| Intercepta | – | – | |
| Slope | −0.174 | 0.011 | −16.008*** |
| Var(intercept) | 0.332 | 0.033 | 9.996*** |
| Var(slope) | 0.026 | 0.017 | 1.502 |
| cov(intercept and slope) | 0.031 | 0.018 | 1.771 |
a
The mean of the intercept is not estimated in a multiple indicator LGM with ordinal items using WLSMV estimation. This is fixed at 1 to ensure model identification (Muthén and Muthén, 2012). Level of significance:
***
p < 0.001.