Table 3.
Results for Joint Trajectory Latent Class Models
| low-stable SU +low-increasing SS | high-stable SU +low-stable SS | high-declining SU +low-increasing SS | low-increasing SU +high-stable SS | |||||
|---|---|---|---|---|---|---|---|---|
| Variables | B(SE) | T | B(SE) | t | B(SE) | t | B(SE) | t |
| Substance use | ||||||||
| Intercept growth factor | ||||||||
| Intercept 1 | 9.59(2.97) | 6.61*** | 92.58(1.82) | 50.97*** | 90.60(2.08) | 43.65*** | 39.13(4.12) | 9.51*** |
| Slope growth factor | ||||||||
| Intercept | −5.30(5.10) | −1.04 | 4.20(4.16) | 1.01 | −70.95(3.71) | −19.15*** | 43.91(13.94) | 3.15** |
| Quadratic slope growth factor | ||||||||
| Intercept 2 | L02(1.85) | 1.09 | −2.26(1.54) | −1.47 | 16.98(1.48) | 11 48*** | −12.55(4.91) | −2.56* |
| Social stability | ||||||||
| Intercept growth factor | ||||||||
| Intercept 4 | 3.75(6.38) | 6.86*** | 38.18(5.33) | 7.16*** | 42.87(5.37) | 7.98*** | 78.02(14.60) | 5.34*** |
| Linear slope growth factor | ||||||||
| Intercept 4 | 3.39(8.64) | 5.02*** | 14.74(10.83) | 1.36 | 43.50(10.02) | 4.34*** | 10.26(16.13) | 0.64 |
| Quadratic slope growth factor | ||||||||
| Intercept | −8.94(2.72) | −3.29** | 1.84(3.54) | 0.52 | −6.92(3.11) | −2.23* | 0.90(5.11) | 0.18 |
*
Note. p < .05;
**
p < .01;
***
p < .001.