Table 1

Patient characteristics, disease status, and outcome of 1056 patients with RA

Total RA population
(n=1056)
Patients with RA with a
paid job (35.7%)
Patients with RA without a
paid job (64.3%)
Age ( years), mean (95% CI)49.0 (48.5 to 49.5)45.8 (45.0 to 46.7)50.7 (50.1 to 51.3)
Sex, % men (95% CI)27.7 (25.2 to 30.1)43.9 (39.2 to 48.7)18.6 (15.8 to 21.4)
High vocational colleges/university, % (95% CI)12.1 (10.1 to 14.2)20.2 (16.2 to 24.1) 7.5 (5.4 to 9.8)
Disease duration (years), mean (95% CI)11.9 (11.4 to 12.5) 9.9 (9.2 to 10.6)12.9 (12.3 to 13.8)
Disease activity ( RADAI, 0–10), mean (95% CI) 4.2 (4.1 to 4.4) 3.5 (3.3 to 3.7) 4.6 (4.5 to 4.8)
Disability score (HAQ, 0–3), mean (95% CI) 1.00 (0.96 to 1.05) 0.7 (0.60 to 0.72) 1.2 (1.13 to 1.26)
Quality of life (RAND-36, 0–100), mean (95% CI)   
 Physical functioning49.2 (47.2 to 50.8)62.2 (59.7 to 64.6)42.0 (40.0 to 44.1)
 Role impairment due to physical functioning44.5 (41.9 to 47.3)60.0 (55.7 to 64.2)34.9 (31.1 to 38.7)
 Social functioning72.5 (70.9 to 74.0)80.2 (78.1 to 82.2)68.1 (66.1 to 70.2)
 Role impairment due to social functioning74.6 (71.9 to 77.3)84.9 (81.6 to 88.1)68.4 (64.5 to 72.3)
 Mental health72.2 (71.0 to 73.4)77.0 (75.3 to 78.6)69.5 (68.0 to 71.1)
 Reduced vitality53.4 (52.2 to 54.7)58.3 (56.5 to 60.1)50.7 (49.0 to 52.4)
 Painlessness55.7 (54.3 to 57.0)63.7 (61.7 to 65.7)51.2 (49.4 to 53.0)
 General health
Changes in health over the past year
49.7 (48.4 to 51.1)
38.8 (37.6 to 39.9)
55.3 (53.3 to 57.2)
41.6 (39.9 to 43.4)
46.6 (44.8 to 48.4)
37.1 (35.6 to 38.7)