Table 2. Fit indices for the three estimated models using confirmatory factors analysis
Model c2 df SRMS RMSEA CFI
One-factor model 2870.684 170 0.139 0.176 [CI 90%, 0.171, 0.182] 0.517
First-order model 366.871 159 0.045 0.051 [CI 90%, 0.044, 0.057] 0.963
Second-order model 376.732 162 0.053 0.051 [CI 90%, 0.044, 0.058] 0.962
Acceptable threshold19 - - ≤ 0.09 ≤ 0.06 ≥ 0.96
Int J Med Educ. 2025; 16:36-44; doi: 10.5116/ijme.679e.07de