Table 1 Description of the population characteristics of the three samples
Population characteristics | N = 50 (Feasibility) | N = 200 (Psychometric validation) | N = 20 (Face validity) |
|---|---|---|---|
Females, N (%) | 46 (92) | 184 (92) | 19 (95) |
Age, years | 55 (47–63) | 52 (41–61) | 52 (32–61) |
Marital status, patients married, N (%) | 27 (54) | 113 (56.5) | 19 (95) |
Formal education, years | 9 (9–11) | 9 (9–12) | 12 (9–17) |
Patients with medium-low SE level, N (%) | 47 (94) | 186 (98) | 16 (80) |
Disease duration, years | 12 (6.8–19) | 12 (6–18) | 11 (3–5) |
Patients with disease duration ≤5 years, N (%) | 10 (5) | 44 (22) | 7 (35) |
Patients with remission, N (%) | NA | 107 (53.5) | NA |
CRP, mg/dL | NA | 0.57 (0. 18–1.5) | NA |
ESR, mm/H | NA | 12 (5–24) | NA |
Patients with RF, N (%) | NA | 179 (89.5) | NA |
Patients with ACCP, N (%) | NA | 134 (72.4)* | NA |
Patients with major comorbidities, N (%) | 11 (22) | 38 (19) | 4 (10) |
Patients with joint replacement, N (%) | 5 (10) | 30 (15) | 2 (10) |