Characteristic | RA, N = 405 | Male Control, N = 260 | p | RA, N = 1034 | Female Controls, N = 697 | p |
---|---|---|---|---|---|---|
Age, yrs, mean (SD) | 67 (10) | 64 (10) | < 0.001 | 67 (10) | 65 (10) | < 0.001 |
Education, yrs, median (IQR) | 8 (7, 11) | 9 (8, 13) | 0.003 | 9 (8, 12) | 10 (8, 13) | < 0.001 |
Social status, n (%) | < 0.001 | < 0.001 | ||||
Employed | 68 (17) | 92 (35) | 148 (14) | 213 (31) | ||
Unemployed | 10 (2) | 15 (6) | 38 (4) | 36 (5) | ||
Retired | 219 (54) | 108 (42) | 583 (56) | 379 (54) | ||
Retired because of disease | 108 (27) | 45 (17) | 265 (26) | 69 (10) | ||
Exercise frequency, n (%) | 0.001 | < 0.001 | ||||
≥ 3 times a week | 148 (37) | 116 (45) | 390 (38) | 333 (48) | ||
1–2 times a week | 123 (30) | 85 (33) | 302 (29) | 234 (34) | ||
Sometimes or none | 59 (15) | 41 (16) | 122 (12) | 64 (9) | ||
Not because of disease | 54 (13) | 13 (5) | 178 (17) | 50 (7) | ||
Subjective health status, n (%) | < 0.001 | < 0.001 | ||||
Excellent | 3 (1) | 27 (11) | 15 (1) | 37 (5) | ||
Good | 88 (22) | 97 (38) | 187 (18) | 250 (37) | ||
Fair | 263 (66) | 113 (44) | 690 (68) | 339 (50) | ||
Poor | 47 (12) | 17 (12) | 124 (12) | 50 (7) | ||
No. of comorbidities, median (IQR) | 3 (2, 4) | 2 (0, 3) | < 0.001 | 3 (2, 5) | 2 (1, 4) | < 0.001 |
SD: standard deviation, IQR: interquartile range.