Table 2. Fit Indices for Alternative Factor Mixture Models of CASI Subscales as Indicators of Anxiety Sensitivity.
| Model | -2LL | df | AIC | BIC | Entropy | LMR-LRT | BLRT |
|---|---|---|---|---|---|---|---|
| 1-Class | -1755 | 9 | 3529 | 3561 | -- | -- | -- |
| 2-Class (Invariant)a | -1731 | 10 | 3483 | 3519 | .95 | 71.92*** | 78.32*** |
| 2-Class (Intercepts Free) | -1713 | 13 | 3452 | 3499 | .95 | 81.15*** | 84.76*** |
| 2-Class (Loadings Free) | -1721 | 13 | 3469 | 3516 | .95 | 65.20** | 68.10*** |
| 2-Class (Intercepts and Loadings Free) | -1712 | 15 | 3454 | 3509 | .95 | 83.82*** | 86.30*** |
| 3-Class (Invariant) | -1729 | 13 | 3484 | 3531 | .83 | 3.83 | 4.17 |
| 4-Class (Invariant) | -1720 | 15 | 3469 | 3524 | .86 | 17.21* | 18.74*** |
| 5-Class (Invariant) | -1709 | 17 | 3452 | 3514 | .97 | 19.77 | 21.52*** |
Note. -2LL = -2LogLikelihood. AIC = Akaike’s Information Criterion. BIC = Bayesian Information Criterion. LMR-LRT = Lo-Mendell-Rubin Likelihood Ratio Test.
a
A nonsignificant negative residual variance for CASI Cognitive was fixed to zero across all classes. The best-fitting model is in italics.
***
p < .001,
**
p < .01,
*
p < .05.