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

Journal of Patient-Reported Outcomes

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

Score	6-month PDC	12-month PDC	ACCEPT Score	RAPID-3
Score	6-month PDC	12-month PDC	ACCEPT Score	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 ***