Characteristics of 194 patients with rheumatoid arthritis
| Median (range) | |
| Age (years) | 58 (22–85) |
| Duration of disease (years) | 1.84 (0.02–46.55) |
| No of patients (%) | |
| Female | 143 (74) |
| With positive rheumatoid factor | 128 (66) |
| Living alone | 53 (27) |
| Education level1-150 | |
| Low | 104 (54) |
| Medium | 65 (33) |
| High | 25 (13) |
↵1-150 Low = up to and including lower technical and vocational training; medium = up to and including secondary technical and vocational training; high = up to and including higher technical and vocational training and university.