The Use of Oral Analgesics and Pain Self-Efficacy Are Independent Predictors of the Quality of Life of Individuals with Rheumatoid Arthritis

Table 4

Summary of the multiple regression analysis between the EQ-5D-5L and variables of interest.

	B	SE B	Β	P value
Age	−0.001	0.001	−0.074	0.414
Disease duration	0	0	−0.159	0.122
Use of oral steroids	−0.068	0.055	0.134	0.220
Use of oral analgesics	−0.085	0.031	−0.248	0.008
DAS28-CRP	−0.006	0.017	−0.033	0.730
PDQ	−0.005	0.003	−0.139	0.162
PSEQ	0.003	0.001	0.233	0.019
PCS	−0.003	0.001	−0.207	0.056
R^2 = 0.371

EQ-5D-5L: the European Quality of Life questionnaire, five dimensions, five levels; MTX: methotrexate; DAS28-CRP: the disease activity score based on the 28-joint assessment–C-reactive protein; PDQ: painDETECT questionnaire; PSEQ: pain self-efficacy questionnaire; PCS: pain catastrophizing scale. Significant difference between the EQ-5D-5L and studied variable ().