| Categories or possible range | Eligible population | DAS28 Flare | Pain Flare |
---|---|---|---|---|
n | Â | 719 | 323 | 377 |
Sex | % Female | 69% | 68% | 70% |
Age (y) | Â | 56 (14) | 57 (13) | 56 (13) |
Smoking | % Current Smoker | 33% | 30% | 34% |
% Ex-smoker | 24% | 25% | 26% | |
Body mass index (kg/m2) | Â | 27.7 (5.4) | 27.5 (5.3) | 27.8 (5.6) |
DAS28-ESR | Â | 4.8 (1.5) | 4.5 (1.6) | 4.6 (1.6) |
Erythrocyte Sedimentation Rate (mm/h) | Â | 30 (24) | 28 (23) | 31 (24) |
Swollen joint count | 0–28 | 6 (6) | 6 (6) | 6 (6) |
Tender joint count | 0–28 | 8 (7) | 7 (7) | 7 (7) |
Visual analogue scale (mm) | 0–100 | 46 (25) | 43 (25) | 44 (26) |
Seropositive | Â | 58% | 59% | 58% |
SF36 Bodily Pain | 0–100 | 33 (11) | 33 (11) | 34 (11) |
SF36 Vitality | 0–100 | 41 (11) | 42 (11) | 42 (11) |
SF36 Mental Health | 0–100 | 46 (11) | 47 (11) | 47 (11) |
HAQ | 0–3 | 1.2 (0.9) | 1.1 (0.8) | 1.1 (0.7) |