Table 1 Demographic characteristics of studied patients
Demographic characteristics | Comprehensibility assessment | Reliability, validity, responsiveness assessment |
|---|---|---|
Number of patients | 126 | 115 |
Females/males, number (percentage) | 114/12 (90.5%/9.5%) | 99/16 (86.1%/13.9%) |
Age in years, mean ± SD | 50.5 ± 13.0 | 48.9 ± 11.9 |
Disease duration in months, mean ± SD | ND | 68.9 ± 71.8 |
Rheumatoid factor-positive patients, number (percentage) | ND | 88 (76.5%) |
Formal education, number (percentage) of patients | Â | Â |
   ≤6 years | 92 (73.0%) | 81 (70.4%) |
   >6 to ≤12 years | 26 (20.6%) | 24 (20.9%) |
   >12 years | 8 (6.4%) | 10 (8.7%) |