Developing a short multidimensional measure of pain self-efficacy: The chronic pain self-efficacy scale-short form

Sheung-Tak CHENG, Phoon Ping CHEN, Yu Fat CHOW, Wai Yee Joanne CHUNG, Alexander C. B. LAW, Jenny S. W. LEE, Edward M. F. LEUNG, Cindy W. C. TAM

Research output: Contribution to journalArticles

Abstract

Background and Objectives: The 22-item Chronic Pain Self-efficacy Scale (CPSS) measures three domains of pain self-efficacy: pain management, physical functioning, and coping with symptoms. This study aims to develop a short form (CPSS-SF) that retains the multidimensional structure of the instrument.
Research Design and Methods: Six hundred sixty-four community-dwelling Chinese older adults aged 60–95 years with chronic pain completed a survey. Confirmatory factor analysis (CFA) was conducted on the 22-item CPSS. Regression analyses were performed to examine the items’ correlations with criterion variables. After CPSS-SF items were selected, the performance of CPSS-SF subscales in terms of accounting for pain-related outcomes was compared with the full version.
Results: CFA supported a modified 3-factor model of the CPSS. On the basis of factor loadings on the 3 dimensions and the items’ correlations with pain intensity and pain disability, 11 items were selected for the CPSS-SF, which correlated at .97 with the full version. Regression analyses showed that the associations of the CPSS-SF subscales with pain intensity, pain disability, depressive symptoms, instrumental activities of daily living, and physical and mental health-related quality of life, were indistinguishable from their full-version counterparts.
Discussion and Implications: The CPSS-SF is a valid instrument that can be used in lieu of the full scale. Its availability will facilitate the assessment of pain self-efficacy in research and clinical settings due to its brevity but strong psychometric properties. However, the current evidence is limited to Chinese older adults; more research is needed to ascertain its validity in other age and cultural groups. Copyright © 2019 The Author(s).
Original languageEnglish
Pages (from-to)e127-e136
JournalThe Gerontologist
Volume60
Issue number3
Early online date21 May 2019
DOIs
Publication statusPublished - Apr 2020

Citation

Cheng, S.-T., Chen, P. P., Chow, Y. F., Chung, J. W. Y., Law, A. C. B., Lee, J. S. W., . . . Tam, C. W. C. (2020). Developing a short multidimensional measure of pain self-efficacy: The chronic pain self-efficacy scale-short form. The Gerontologist, 60(3), e127-e136. doi: 10.1093/geront/gnz041

Keywords

  • Pain management
  • Pain intensity
  • Functional disability
  • Psychometrics

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