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Table 1 Baseline characteristics of patients with rheumatic conditions

From: The association between waiting time and multidisciplinary pain treatment outcomes in patients with rheumatic conditions

  Full sample (n = 3230) Waiting time groups  
<  2 months (n = 947) 2–6 months (n = 1029) > 6 months (n = 1254) Group test
p value d
Age, mean (SD a) 55.8 (14.0) 57.1 (15.0) 54.9 (13.9) 55.5 (13.4) 0.001
Sex, n (%)      0.032
 Female 2138 (66.2) 641 (67.7) 648 (63.0) 849 (67.7)  
 Male 1090 (33.7) 305 (32.2) 380 (36.9) 405 (32.3)  
Race/Ethnicity, n (%)      0.377
 Caucasian 2991 (92.6) 882 (93,1) 943 (91,6) 1166 (93)  
 Other 237 (7.3) 64 (6.8) 85 (8.3) 88 (7.0)  
Civil status, n (%)      0.004
 Married or common law 1782 (55.2) 544 (57.4) 592 (57.5) 646 (51.5)  
 Single, separated/divorced or widowed 1447 (44.8) 403 (42.6) 436 (42.4) 608 (48.5)  
Education, n (%)      0.005
 Primary/None 321 (9.9) 96 (10.1) 89 (8.6) 136 (10.8)  
 Secondary 1242 (38.5) 325 (34.3) 404 (39.3) 513 (40.9)  
 CEGEP or Technical school 871 (27.0) 257 (27.1) 279 (27.1) 335 (26.7)  
 University 791 (24.5) 266 (28.1) 255 (24.8) 270 (21.5)  
Employment status b, n (%)      < 0.001
 Full-time/part-time job 785 (24.3) 263 (27.8) 240 (23.3) 282 (22.5)  
 On permanent disability 657 (20.3) 120 (12.7) 212 (20.6) 325 (25.9)  
 On temporary disability 515 (15.9) 157 (16.6) 194 (18.9) 164 (13.1)  
 Retired 787 (24.4) 270 (28.5) 223 (21.7) 294 (23.4)  
 Other (including unemployed, student, homemaker and volunteer) 485 (15.0) 137 (14.5) 159 (15.5) 189 (15.1)  
Household income $CDN/year, n (%)      < 0.001
 < 35,000 1474 (45.6) 368 (38.9) 448 (43.5) 658 (52.5)  
 35,000-79,999 961 (29.8) 308 (32.5) 299 (29.1) 354 (28.2)  
 ≥ 80,000 416 (12.9) 147 (15.5) 149 (14.5) 120 (9.6)  
Pain duration (years), mean (SD) 6.8 (8.9) 5.0 (7.7) 6.8 (8.6) 8.3 (9.6) < 0.001
Main psychological comorbidities
 Depression, n (%) 1477 (45.7) 369 (39.0) 474 (46.1) 634 (50.6) < 0.001
 Anxiety, n (%) 1348 (41.7) 355 (37.5) 422 (41.0) 571 (45.5) 0.001
Number of comorbidities, mean (SD) 3.0 (2.1) 2.8 (2.0) 3.0 (2.0) 3.2 (2.1) < 0.001
Diagnosis, n (%)      < 0.001
 Osteoarthritis only 668 (20.7) 199 (21.0) 214 (20.8) 255 (20.3)  
 Fibromyalgia only 678 (21.0) 154 (16.3) 254 (24.7) 270 (21.5)  
 Rheumatoid arthritis only 41 (1.3) 13 (1.4) 14 (1.4) 14 (1.1)  
 Fibromyalgia and osteoarthritis 171 (5.3) 37 (3.9) 40 (3.9) 94 (7.5)  
 Joint pain, effusion and other unspecified joint disorders only 693 (21.5) 260 (27.5) 198 (19.2) 235 (18.7)  
 Other rheumatic conditions or combinations of conditions c 979 (30.3) 284 (30.0) 309 (30.0) 386 (30.8)  
  1. a SD Standard deviation
  2. b This multiple-choice variable was recoded into a mutually exclusive variable. In cases of multiple answers, priority was given to the employed category and then on disability, retired and unemployed categories
  3. c Other NADW rheumatic conditions included: Spondylosis/spondylitis and allied disorders, Soft tissue disorders, Carpal tunnel syndrome, Diffuse connective tissue disease, Gout and other crystal arthropathies, Other specified rheumatic conditions
  4. d Group differences were tested using ANOVA for continuous variables and χ2 for categorical variables