Demographics of the included subjects for the total group as well as for the individual countries
| Overall (N=3039) | UK (N=504) | France (N=501) | Germany (N=506) | The Netherlands (N=507) | Spain (N=510) | Italy (N=511) | |
| Women | 1556 (51.2%) | 259 (51.4%) | 261 (52.1%) | 257 (50.8%) | 260 (51.3%) | 253 (49.6%) | 266 (52.1%) |
| Age (years) | 46.5 (15.2) | 45.5 (15.8) | 47.1 (15.7) | 47.3 (15.0) | 46.7 (15.9) | 45.2 (14.6) | 47.3 (14.4) |
| Paid work in subjects ≤65 years | 1558 (57.6%) | 276 (62.3%) | 250 (57.9%) | 266 (58.0%) | 244 (55.3%) | 258 (54.9%) | 264 (57.5%) |
| Higher educational level * | 1241 (40.8%) | 249 (58.3%) | 250 (49.9%) | 119 (23.5%) | 178 (35.1%) | 209 (41.0%) | 191 (37.4%) |
| At least one morbidity † | 2104 (69.2%) | 354 (70.2%) | 336 (67.1%) | 373 (73.7%) | 345 (68.0%) | 348 (68.2%) | 348 (68.1%) |
| EQ-VAS (0–100) | 76.0 (20.0) | 74.5 (20.8) | 75.2 (19.5) | 74.5 (21.4) | 76.3 (20.1) | 76.1 (19.8) | 79.1 (18.1) |
| ASAS HI (0–17) | 4.4 (4.2) | 4.8 (4.6) | 4.6 (4.1) | 4.3 (4.1) | 4.3 (4.0) | 4.1 (4.0) | 4.5 (4.1) |
Mean (SD) or number of patients (%).
*University or non-university higher professional educational level.
†At least one condition measured with the self-administered comorbidity questionnaire modified for patients with spondyloarthritis (SpA).
ASAS HI, ASAS Health index; EQ-VAS, EuroQoL Visual Analogue Scale.