Table 3

Predictors of methotrexate knowledge, with and without adjustment for demographic and disease characteristics, limited English language proficiency, and biologic use
Unadjusted OR (95% confidence interval) Adjusted OR (95% confidence interval)
Predictor Model 1 Model 2
Age older than 55 years 2.23 (1.11, 4.43) 3.29 (1.48, 7.30) 3.08 (1.40, 6.79)
Female gender 0.89 (0.34, 2.19) 0.69 (0.23, 2.07) 0.87 (0.30, 2.50)
Less than high school education 1.96 (0.90, 4.29) 3.68 (1.42, 9.55) -
Limited English language Proficiency 1.90 (0.95, 3.82) - 2.60 (1.14, 5.90)
Disease duration, per year 0.98 (0.93, 1.01) 0.97 (0.93, 1.01) 0.97 (0.93, 1.01)
HAQ 0.74 (0.49, 1.12) 0.55 (0.34, 0.90) 0.61 (0.38, 0.97)
Biologic use, yes 1.87 (0.93, 3.74) 3.28 (1.41, 7.65) 3.02 (1.31, 7.00)

Results in models 1 and 2 are adjusted for all variables shown.

Barton et al.

Barton et al. Arthritis Research & Therapy 2013 15:R157   doi:10.1186/ar4340

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