Table 3. Results of Factor Loading and Fit Indexes of Confirmatory Factor Analysis of the WOMAC-SF Questionnaire.
| WOMAC-SF pain | WOMAC-SF function | |
|---|---|---|
| Pain | ||
| Walking on flat surface | 0.821 | |
| Up/down stairs | 0.916 | |
| Sitting or lying | 0.624 | |
| Function | ||
| Descending stairs | 0.912 | |
| Ascending stairs | 0.917 | |
| Rising from sitting | 0.81 | |
| Walking on flat surface | 0.85 | |
| Getting in/out of a car | 0.854 | |
| Shopping | 0.863 | |
| Putting on socks | 0.605 | |
| Getting on/off toilet | 0.782 | |
| Model | ||
| RMSEA | 0.058 | |
| Fit | ||
| CFI | 0.958 | |
| AGFI | 0.967 |
WOMAC-SF, Western Ontario and McMaster Universities Arthritis Index short-form; RMSEA, root mean square error of approximation; CFI, comparative fit index; AGFI, adjusted goodness-of-fit index.