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Table 3 Summary of model fit indices for the SF-12v2 confirmatory factor models

From: An evaluation of the psychometric properties of the sf-12v2 health survey among adults with hemophilia

Fit Statistics Model 1 Model 2 Model 3
Chi-square (df) 531.807 (53) 340.418 (49) 172.778 (48)
CFI 0.896 0.936 0.972
TLI 0.870 0.914 0.962
RMSEA (90% CI) 0.203 (0.188–0.219) 0.165 (0.149–0.182) 0.109 (0.092–0.127)
WRMR 2.011 1.409 0.947
  1. Model 1 - All items load onto a single latent health-related quality of life factor
  2. Model 2 - SF-12 CFA model based on Okonkwo et al.
  3. Model 3 - SF-12 CFA Model based on Maurischat et al.
  4. Note: df degrees of freedom, CFI Comparative Fit Index, TLI Tucker-Lewis Index, RMSEA Root Mean Square Error of Approximation, WRMR Weighted Root Mean Square Residual, CI Confidence Interval