AI Article Synopsis
- The study aimed to validate a three-factor model of the Pain Catastrophizing Scale (PCS) in a Japanese population and assess how different subdomains of catastrophizing relate to chronic pain and functioning levels.
- The research involved 160 outpatients with chronic pain who completed questionnaires evaluating pain, anxiety, and depression.
- Results confirmed the three-factor structure of the PCS and identified that specific subdomains, particularly catastrophic helplessness and magnification, significantly predicted pain intensity, interference, and anxiety/depression levels.
Article Abstract
Objective: The primary objectives of the current study were to 1) confirm the three-factor model of the Pain Catastrophizing Scale (PCS) items in a Japanese sample and 2) identify the catastrophizing subdomain(s) most closely associated with measures of pain and functioning in a sample of individuals with chronic pain.
Design: This was based on a cross-sectional observational study.
Setting: This study was conducted in a university-based clinic.
Patients: One hundred and sixty outpatients with chronic pain participated in this study.
Outcome Measures: Patients completed the PCS, the Brief Pain Inventory, and the Hospital Anxiety and Depression Scale; 30 patients completed the PCS again between 1 and 4 weeks later.
Results: Confirmatory factor analysis supported a three-factor structure of the Japanese version of the PCS, and univariate and multivariate associations with validity criterion supported the validity of the measure. Catastrophic helplessness was shown to make a unique contribution to the prediction of pain intensity, pain interference and depression, and catastrophic magnification made a unique contribution to the prediction of anxiety.
Conclusions: The findings support the cross-cultural generalizability of the three-factor structure of the PCS and indicate that the PCS-assessed catastrophizing subdomains provide greater explanatory power than the PCS total score for understanding pain-related functioning.
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| http://dx.doi.org/10.1111/j.1526-4637.2012.01353.x | DOI Listing |
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