• Laura M Perry, Michael Hoerger, Sonia Malhotra, James I Gerhart, Supriya Mohile, and Paul R Duberstein.
• Department of Psychology, Tulane University, New Orleans, Louisiana, USA. Electronic address: lperry5@tulane.edu.
• J Pain Symptom Manage. 2020 Feb 1; 59 (2): 293-301.e8.

ContextPalliative 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.ObjectivesThe 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.MethodsData 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.ResultsInternal 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.ConclusionFindings 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.Copyright © 2019. Published by Elsevier Inc.

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