Which Scale to Assess Pain Self-efficacy Shows Better Measurement Properties in Chronic Low Back Pain? A Head-To-Head Comparison Study.

Objective: To compare the quality of the measurement properties of Pain Self-Efficacy Questionnaire (PSEQ)-10, PSEQ-4, PSEQ-2, Chronic Pain Self-Efficacy Scale (CPSS) long-form, and CPSS short-form (CPSS-SF) in patients with chronic low back pain (CLBP).

Design: Cross-sectional and longitudinal studies (measurement properties).

Setting: Outpatient rehabilitation.