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Table 3 Probability of not prescribing a disease-modifying anti-rheumatic drug

From: Primary care physicians' perspectives towards managing rheumatoid arthritis: room for improvement

  Univariate,
OR (95% CI)
Multivariatea,
OR (95% CI)
Years practicing medicine   
   0-1 5.07 (0.69-37) 1.44 (0.14-14.83)
   2-10 1.30 (0.68-2.49) 0.98 (0.48-2.01)
   11+ 1 1
RA patients seen in last year   
   0-5 2.46 (1.30-4.67) 1.74 (0.85-3.58)
   6+ 1 1
Confidence in ability to diagnose RA   
   Very of somewhat confident 1 1
   Less than or no confidence 3.53 (1.41-8.82) 2.07 (0.72-5.95)
Additional RA education beyond medical school   
   Yes 1 1
   No 1.46 (0.79-2.73) 0.92 (0.45-1.89)
Proportion of RA patients who are good candidates for DMARDs   
   0%-50% 2.88 (1.22-6.82) 2.41 (0.96-6.08)
   51%-75% 1.01 (0.39-2.59) 0.85 (0.31-2.32)
   76%-100% 1 1
Physicians' knowledge level of DMARDs   
   Very knowledgeable 1 1
   Somewhat knowledgeable 2.13 (0.27-16) 1.22 (0.15-10.2)
   Lacking sufficient or any knowledge 9.87 (1.23-79) 5.20 (0.60-44)
  1. aMultivariate model included all variables shown in the table. CI, confidence interval; DMARD, disease-modifying anti-rheumatic drug; OR, odds ratio; RA, rheumatoid arthritis.