The following is a summary of “Endorsing a Biopsychosocial Perspective of Pain in Individuals With Chronic Pain Development and Validation of a Scale,” published in the January 2024 issue of Pain by Kleinstäuber et al.
Researchers started a retrospective study to validate the Patients’ Endorsement of a Biopsychosocial (PEB) Model of Chronic Pain Scale as a self-report instrument for evaluating specific pain beliefs related to chronic pain.
They engaged interdisciplinary pain experts to develop the PEB Scale for quantifying patients’ support of a biopsychosocial pain model. Recruited 199 chronic pain patients to assess the instrument’s factorial structure (principal axis factoring), internal consistency (Cronbach alpha), convergent and discriminant validity (correlational analyses), incremental validity (multiple hierarchical regression analyses), and construct validity (differential population analysis).
The results showed a single-factor, 11-item tool explaining 51.2% of the variance. High internal consistency was indicated by Cronbach’s alpha (=0.92). PEB significantly predicted patients’ self-management engagement (P<0.001) post-adjustment for demographics, anxiety, depression, and other pain beliefs.
Investigators concluded that the PEB Scale showed promise as a predictor of self-management openness in chronic pain patients.
