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Table. 3 Pearson correlation coefficients of MEQ scores with PDC and other concurrent scales scores

From: Development and validation of the Methotrexate Experience Questionnaire, a new methotrexate oral treatment adherence tool in rheumatoid arthritis

Score 6-month PDC 12-month PDC ACCEPT Score RAPID-3
Physical Function Score Pain Score Patient Global Assessment Score Total Score
Benefits 0.18 ** 0.21 *** 0.49 *** − 0.21 *** − 0.32 *** − 0.27 *** − 0.31 ***
Convenience 0.11 0.18 ** 0.19 *** 0.02 −0.06 − 0.04 − 0.04
Drivers of non-compliance 0.25 *** 0.31 *** 0.20 *** −0.13 * −0.15 ** − 0.11 −0.15 *
Negative feelings 0.12 * 0.17 ** 0.46 *** −0.12 * −0.17 ** − 0.17 ** −0.18 **
My opinion about my care 0.06 0.08 0.38 *** −0.15 ** −0.17 ** − 0.19 *** −0.19 ***
General Experience with MTX 0.15 ** 0.22 *** 0.37 *** −0.08 −0.11 − 0.07 −0.10
MEQ Total score 0.23 *** 0.29 *** 0.55 *** −0.19 *** −0.29 *** − 0.25 *** −0.28 ***
  1. In bold, Correlations ≥0.4; in italics, 0.2 ≤ Correlations < 0.4
  2. * p ≤ 0.05, ** p ≤ 0.01, *** p ≤ 0.001