Table 1.
Latent Profile Analysis Solutions and Fit Indices for One- Through Four-Classes for SF-12 Physical Component Scores
Model | LL | AIC | BIC | VLMR | Entropy |
---|---|---|---|---|---|
1 Class | −1927.82 | 3897.64 | 3979.42 | n/a | n/a |
2 Class | −1800.19 | 3656.37 | 3765.41 | 255.27** | .79 |
3 Classa | −1725.57 | 3521.14 | 3657.44 | 149.23* | .82 |
4 Class | −1684.82 | 3453.64 | 3617.20 | 81.50ns | .81 |
Not significant;
p < .05;
p < .001
The 3-class solution was selected because the VLMR was significant, indicating that three classes fit the data better than two classes, and the VLMR was not significant for the 4-class solution, indicating that too many classes had been extracted.
Note. AIC = Akaike Information Criterion, BIC = Bayesian Information Criterion, LL = log-likelihood, VLMR = Vuong-Lo-Mendell-Rubin likelihood ratio test for the K vs. K-1 model