Sample characteristics by country
| Gender | Age | Disease duration | Educational background | Diagnostic groups | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Country | Female (%) | Mean (SD) | Mean (SD) | Only basic education (%) | AS | PsA | SSc | SLE | OA | FMS | Sample size (N) |
| Austria | 96 (55.8) | 55.3 (11.1) | 12.5 (10.6) | 86 (51.5) | – | 125 | – | – | 47 | – | 172 |
| Finland | 368 (82.1) | 53.2 (12.1) | 12.2 (10.3) | 115 (24.6) | 84 | 86 | 171 | – | – | 108 | 449 |
| The Netherlands | 368 (69.0) | 53.3 (15.1) | 13.8 (11.9) | 37 (6.7) | 85 | 112 | 103 | 126 | 126 | – | 552 |
| Norway | 398 (68.9) | 51.9 (12.0) | 10.6 (9.9) | 143 (24.4) | 146 | 147 | – | – | 149 | 144 | 586 |
| Portugal | 362 (64.0) | 50.8 (15.3) | 13.0 (10.1) | 228 (42.1) | 121 | 132 | 28 | 146 | 88 | 53 | 568 |
| Spain | 321 (63.8) | 48.2 (13.8) | 12.6 (9.8) | 180 (37.0) | 141 | 124 | 59 | 99 | 23 | 57 | 503 |
| Sweden | 83 (44.9) | 55.8 (12.5) | 21.0 (12.1) | 55 (29.7) | 102 | 83 | – | – | – | – | 185 |
| Pooled | 1996 (66.2) | 52.6 (13.1) | 13.7 (10.7) | 844.0 (28.0%) | 679 | 809 | 361 | 371 | 433 | 362 | 3015 |
AS, ankylosing spondylitis; FMS, fibromyalgia syndrome; OA, osteoarthritis; PsA, psoriatic arthritis; SLE, systemic lupus erythematosus; SSc, systemic sclerosis.