Development and Validation of the Palliative Care Attitudes Scale (PCAS-9): A Measure of Patient Attitudes Toward Palliative Care

Laura M. Perry, Michael Hoerger, Sonia Malhotra, James I. Gerhart, Supriya Mohile, Paul R. Duberstein

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Context: Palliative Care is underutilized, and research has neglected patient-level factors including attitudes that could contribute to avoidance or acceptance of Palliative Care referrals. This may be due in part to a lack of existing measures for this purpose. Objectives: The objective of this study was to develop and validate a nine-item scale measuring patient attitudes toward Palliative Care, comprised of three subscales spanning emotional, cognitive, and behavioral factors. Methods: Data were collected online in three separate waves, targeting individuals with cancer (Sample 1: N = 633; Sample 2: N = 462) or noncancer serious illnesses (Sample 3: N = 225). Participants were recruited using ResearchMatch.org and postings on the web sites, social media pages, and listservs of international health organizations. Results: Internal consistency was acceptable for the total scale (α = 0.84) and subscales: emotional (α = 0.84), cognitive (αs = 0.70), and behavioral (α = 0.90). The PCAS-9 was significantly associated with a separate measure of Palliative Care attitudes (ps < 0.001) and a measure of Palliative Care knowledge (ps < 0.004), supporting its construct validity in samples of cancer and noncancer serious illnesses. The scale's psychometric properties, including internal consistency and factor structure, generalized across patient subgroups based on diagnosis, other health characteristics, and demographics. Conclusion: Findings support the overall reliability, validity, and generalizability of the PCAS-9 in serious illness samples and have implications for increasing Palliative Care utilization via clinical care and future research efforts.

Original languageEnglish
Pages (from-to)293-301.e8
JournalJournal of Pain and Symptom Management
Volume59
Issue number2
DOIs
StatePublished - Feb 2020

Keywords

  • Palliative Care
  • health knowledge, attitudes, practice
  • palliative medicine
  • patient-reported outcome measures
  • psychometrics

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