Table 1

Demographic characteristics of patients with rheumatic diseases for the six language versions

CharacteristicsDutchEnglishFrenchGermanPortugueseSpanish
Sample size18557747355137271453
Gender; female, n (%)1608 (86)717 (93)688 (94)403 (79)628 (86)1308 (90)
Age (years), mean (SD)46.9 (12.7)47.2 (11.3)46.5 (11.4)46.5 (12.3)42.9 (12.6)44.1 (11.4)
Rheumatic disease, n (%)
 Ankylosing spondylitis236 (13)6 (1)52 (7)129 (25)61 (8)104 (7)
 Bursitis/Tendinitis89 (5)93 (12)45 (6)22 (4)85 (12)148 (10)
 Fibromyalgia737 (40)591 (76)482 (65)65 (13)303 (42)778 (54)
 Gout or pseudogout31 (2)7 (1)1 (0.1)6 (1)9 (1)2 (0.3)
 Juvenile arthritis6 (0.3)6 (1)1 (0.1)8 (2)15 (2)49 (3)
 Osteoarthritis518 (28)155 (20)176 (24)40 (8)105 (14)212 (15)
 Polymyalgia rheumatica17 (1)4 (1)15 (2)4 (1)5 (1)37 (3)
 Psoriatic arthritis102 (6)24 (3)10 (1)26 (5)31 (4)34 (2)
 Raynaud's phenomenon76 (4)70 (9)78 (11)79 (15)24 (3)71 (5)
 Rheumatoid arthritis323 (17)137 (18)46 (6)68 (13)148 (20)271 (19)
 Sarcoidosis3 (0.2)2 (0.3)2 (0.3)9 (2)2 (0.3)1 (0.1)
 Scleroderma26 (1)10 (1)4 (1)45 (9)9 (1)27 (2)
 Sjögren's syndrome122 (7)34 (4)91 (12)106 (21)25 (3)137 (9)
 Systemic lupus erythematosus197 (6)18 (2)125 (17)146 (29)122 (17)233 (16)
 Other rheumatic disease244 (13)70 (9)65 (9)72 (14)87 (12)198 (14)
  • Note: Percentages of rheumatic diseases can exceed 100% because participants may have more than one rheumatic disease.