Morbidity | RA (%) | Non-RA (%) | OR (95% CI) RA versus Non-RA | Q-value |
Multimorbidity (2+) | 1411 (85.9) | 1164 (70.8) | 2.80 (2.33 to 3.38) | <0.001 |
Multimorbidity (5+) | 907 (55.2) | 619 (37.7) | 2.37 (2.03 to 2.77) | <0.001 |
Interstitial lung disease | 82 (5.0) | 28 (1.7) | 3.11 (2.03 to 4.90) | <0.001 |
Fibromyalgia | 153 (9.3) | 53 (3.2) | 3.11 (2.27 to 4.32) | <0.001 |
Post-traumatic stress disorder | 18 (1.1) | 6 (0.4) | 3.06 (1.27 to 8.47) | 0.057 |
Osteoarthritis | 668 (40.7) | 335 (20.4) | 2.95 (2.51 to 3.48) | <0.001 |
Osteoporosis | 256 (15.6) | 110 (6.7) | 2.92 (2.28 to 3.77) | <0.001 |
Drugs | 31 (1.9) | 12 (0.7) | 2.64 (1.38 to 5.37) | 0.017 |
Chronic back pain | 656 (39.9) | 378 (23) | 2.28 (1.95 to 2.66) | <0.001 |
Pulmonary circulation disorders | 60 (3.7) | 28 (1.7) | 2.21 (1.41 to 3.53) | 0.003 |
Neuropathy | 237 (14.4) | 123 (7.5) | 2.09 (1.67 to 2.64) | <0.001 |
Liver disease | 55 (3.3) | 28 (1.7) | 2.00 (1.27 to 3.21) | 0.012 |
Anaemia | 330 (20.1) | 206 (12.5) | 1.81 (1.49 to 2.20) | <0.001 |
Chronic obstructive pulmonary disease | 117 (7.1) | 69 (4.2) | 1.77 (1.31 to 2.42) | 0.001 |
Peripheral vascular disease/aneulcer disurysm | 206 (12.5) | 133 (8.1) | 1.73 (1.36 to 2.21) | <0.001 |
Peptic ulcer disease | 17 (1) | 10 (0.6) | 1.71 (0.79 to 3.89) | 0.33 |
Sleep disorder | 174 (10.6) | 107 (6.5) | 1.70 (1.33 to 2.20) | <0.001 |
Severe vision reduction | 551 (33.5) | 412 (25.1) | 1.68 (1.42 to 1.99) | <0.001 |
Hypothyroid | 355 (21.6) | 240 (14.6) | 1.65 (1.37 to 1.98) | <0.001 |
Bipolar | 16 (1) | 10 (0.6) | 1.61 (0.74 to 3.69) | 0.38 |
Depression | 388 (23.6) | 268 (16.3) | 1.60 (1.34 to 1.91) | <0.001 |
Chronic headache | 169 (10.3) | 113 (6.9) | 1.56 (1.22 to 2.01) | 0.002 |
Gout | 59 (3.6) | 39 (2.4) | 1.54 (1.03 to 2.35) | 0.11 |
Gastro-oesophageal reflux disease | 294 (17.9) | 206 (12.5) | 1.53 (1.26 to 1.86) | <0.001 |
Congestive heart failure | 101 (6.1) | 70 (4.3) | 1.52 (1.10 to 2.10) | 0.040 |
Asthma | 155 (9.4) | 107 (6.5) | 1.50 (1.16 to 1.94) | 0.008 |
Coronary artery disease | 225 (13.7) | 166 (10.1) | 1.49 (1.18 to 1.87) | 0.003 |
Hypertension | 815 (49.6) | 692 (42.1) | 1.47 (1.26 to 1.71) | <0.001 |
Urinary incontinence | 76 (4.6) | 55 (3.3) | 1.42 (0.99 to 2.04) | 0.15 |
Dementia | 7 (0.4) | 5 (0.3) | 1.41 (0.45 to 4.83) | 0.72 |
Inflammatory skin diseases | 128 (7.8) | 93 (5.7) | 1.41 (1.07 to 1.86) | 0.049 |
Cardiac arrhythmias | 249 (15.2) | 191 (11.6) | 1.40 (1.14 to 1.74) | 0.007 |
Diverticulitis/diverticulosis | 76 (4.6) | 58 (3.5) | 1.33 (0.94 to 1.90) | 0.25 |
Alcohol abuse | 29 (1.8) | 22 (1.3) | 1.33 (0.76 to 2.35) | 0.49 |
Cerebrovascular disease | 83 (5.1) | 68 (4.1) | 1.25 (0.89 to 1.75) | 0.35 |
Valvular heart disease | 98 (6) | 83 (5.1) | 1.20 (0.89 to 1.64) | 0.38 |
Anxiety | 158 (9.6) | 134 (8.2) | 1.20 (0.94 to 1.53) | 0.27 |
Prostatic hyperplasia | 58 (12.4) | 51 (10.9) | 1.18 (0.77 to 1.80) | 0.63 |
Hyperlipidaemia | 745 (45.3) | 707 (43) | 1.12 (0.96 to 1.29) | 0.29 |
Parkinson’s disease | 13 (0.8) | 12 (0.7) | 1.09 (0.49 to 2.44) | 0.89 |
Obesity* | 696 (42.4) | 664 (40.4) | 1.08 (0.94 to 1.25) | 0.40 |
Hearing loss | 124 (7.5) | 116 (7.1) | 1.08 (0.82 to 1.41) | 0.72 |
Non-inflammatory gynecologic disorders | 186 (15.8) | 180 (15.3) | 1.04 (0.83 to 1.31) | 0.82 |
Renal disease | 84 (5.1) | 81 (4.9) | 1.04 (0.76 to 1.44) | 0.87 |
Diabetes | 260 (15.8) | 267 (16.3) | 0.97 (0.80 to 1.17) | 0.83 |
Cancer | 124 (7.5) | 131 (8) | 0.94 (0.73 to 1.22) | 0.77 |
*Obesity was defined as subjects having either two codes ≥30 days apart or having a body mass index ≥30 kg/m2 on 1 January 2015.
RA, rheumatoid arthritis.