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Table 1 Baseline characteristics of individuals with rheumatoid arthritis in Quebec in 2002–2006 and 2007–2011

From: Hospitalization for musculoskeletal disorders in rheumatoid arthritis patients: a population-based study

Variables 2002–2006 2007–2011
  Anti-TNF (557) DMARDs (1144) Non-users (656) Anti-TNF (690) DMARDs (1651) Non-users (532)
Demographics
Age (mean (±SD)) years 63.0(11.5) 64.2 (10.8) 65.1 (10.6) 65.2 (10.5) 66.2 (9.7) 68.4 (9.3)
Sex (female N (%)) 426 (76.5) 921 (80.5) 562 (85.7) 517 (74.9) 1281 (77.6) 426 (80.1)
Residence (urban N (%)) 428 (76.8) 899 (78.6) 526 (80.2) 531 (77.0) 1316 (79.7) 425 (79.9)
Higher incomea 344 (61.8) 691 (60.4) 379 (57.8) 417 (60.4) 980 (59.4) 339 (63.7)
Socioeconomic status N (%)
Social quintile 0 58 (10.4) 90 (7.9) 48 (7.3) 49 (7.1) 100 (6.1) 25 (4.7)
Social quintile 1 106 (19.0) 211 (18.4) 88 (13.4) 113 (16.4) 285 (17.3) 74 (13.9)
Social quintile 2–3 192 (34.5) 392 (34.3) 238 (36.3) 251 (36.5) 618 (37.4) 218 (41.0)
Social quintile 4–5 201 (36.1) 451 (39.4) 282 (43.0) 276 (40.0) 648 (39.2) 215 (40.4)
Use of health services in prior year N (%)
Visit to rheumatologist 490 (88.0) 946 (82.7) 480 (73.2) 608 (88.1) 1365 (82.7) 338 (63.5)
Comorbidity in prior year N (%)
Hematologic disorders 75 (13.5) 112 (9.8) 69 (10.5) 72 (10.4) 182 (11.0) 69 (13.0)
Heart failure 16 (2.9) 29 (2.5) 9 (1.4) 19 (2.8) 38 (2.3) 23 (4.3)
Cerebrovascular disease 21 (3.8) 23 (2.0) 19 (2.9) 10 (1.4) 39 (2.4) 22 (4.1)
Atrial fibrillation 14 (2.5) 24 (2.1) 13 (2.0) 23 (3.3) 54 (3.3) 18 (3.4)
Ischemic heart disease 79 (14.2) 138 (12.1) 76 (11.6) 65 (9.4) 186 (11.3) 56 (10.5)
Peptic ulcer disease 7 (1.3) 10 (0.9) 5 (0.8) 1 (0.1) 9 (0.5) 3 (0.6)
Cancer 39 (7.0) 102 (8.9) 51 (7.8) 69 (10.0) 172 (10.4) 64 (12.0)
Medication use in prior year N (%)
NSAIDs 430 (77.2) 843 (73.7) 452 (68.9) 435 (63.0) 980 (59.4) 248 (46.6)
Serotonin reuptake inhibitors 57 (10.2) 107 (9.4) 62 (9.5) 71 (10.3) 164 (9.9) 532 (9.6)
Gastroprotective agents 322 (57.8) 664 (58.0) 345 (52.6) 463 (67.1) 970 (58.8) 328 (61.7)
Antidiabetics 63 (11.3) 115 (10.1) 51 (7.8) 81 (11.7) 170 (10.3) 77 (14.5)
Corticosteroid 414 (74.3) 757 (66.2) 400 (61.0) 500 (72.5) 928 (56.2) 306 (57.5)
Anticoagulants 27 (4.8) 49 (4.3) 31 (4.7) 32 (4.6) 106 (6.4) 34 (6.4)
Antihypertensives 294 (52.8) 587 (51.3) 305 (46.5) 414 (60.0) 944 (57.2) 335 (63.0)
  1. aThose who do not receive any guaranteed income supplement