Table 2.

Factors associated with MTX adherence using linear regression analysis (n = 165)

	Coef	95% CI	p value
Age	0.02	0.00–0.03	0.03
Female	− 0.09	− 0.58 to 0.40	0.73
Disease duration	0.00	− 0.00 to 0.00	0.41
RA activity (DAS28-ESR)	0.16	− 0.03 to 0.35	0.09
Depression state (CES-D)	− 0.26	− 0.69 to 0.18	0.25
Belief about medicine (BMQ necessity-concern differential)	0.01	− 0.07 to 0.09	0.86
Social desirability (SDS)	0.14	0.05–0.23	0.00
Educational level (more than or equal to college level or not)	0.36	− 0.10 to 0.82	0.13
Employment status (full-time work or not)	− 0.50	− 0.95 to 0.05	0.03

Linear regression analysis was used to detect factors associated with MTX adherence

MTX methotrexate; RA rheumatoid arthritis; DAS28-ESR Disease Activity Score (28 joint count)-erythrocyte sedimentation rate; BMQ Beliefs about Medicines Questionnaire; CES-D Center for Epidemiological Studies Depression; SDS Social Desirability Scale; Coef regression coefficients; CI confidence interval