| Model fit | Parameters | |||||||
---|---|---|---|---|---|---|---|---|---|
Variable | χ2/df | RMSEA | CFI | Intercept | SE | Linear slope | SE | Quadratic slope | SE |
Social support | 1119.9/606 | 0.04 | 0.94 | 2.84** | 0.05 | 0.34** | 0.05 | − 0.09** | 0.02 |
Depressive symptoms | 1020.8/563 | 0.04 | 0.92 | 1.49** | 0.04 | − 0.51** | 0.07 | 0.12** | 0.02 |
Substance use problems | 2858.1/1724 | 0.03 | 0.90 | 0.28** | 0.02 | − 0.08** | 0.02 | 0.02** | 0.01 |