Table 3.
Fit indices for the original and modified models.
| Age | Description | CFI | TLI | RMSEA [95% CI] | χ2 |
|---|---|---|---|---|---|
| Opioid misuse | |||||
| 12–14 | Original model | .972 | .931 | .035 [.029–.041] | χ2 (10) = 109.73, p < .001 |
| Alternative model | .949 | .873 | .047 [.041–.053] | χ2 (10) = 192.66, p < .001 | |
| 15–17 | Original model | .974 | .935 | .027 [.022–.033] | χ2 (10) = 75.92, p < .001 |
| Alternative model | .830 | .574 | .069 [.063–.074] | χ2 (10) = 439.23, p < .001 | |
| Stimulant misuse | |||||
| Age | Description | CFI | TLI | RMSEA [95% CI] | χ2 |
| 12–14 | Original model | .979 | .943 | .031 [.025–.037] | χ2 (9) = 79.58, p < .001 |
| Alternative model | .978 | .946 | .030 [.024–.036] | χ2 (9) = 83.87, p < .001 | |
| 15–17 | Original model | .975 | .930 | .027 [.021–.033] | χ2 (9) = 69.13, p < .001 |
| Alternative model | .860 | .651 | .061 [.055–.066] | χ2 (9) = 341.74, p < .001 | |