ArticleCureus2026
Development and Psychometric Properties of PEACE-Q: A Questionnaire on Attitudes Towards Physician-Assisted Dying, Euthanasia, Advance Directives and Care at the End-of-Life.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
Public attitudes toward euthanasia, physician-assisted dying (PAD), advance directives (ADs), and end-of-life (EOL) decision-making in the ICU remain underexplored, while existing tools address these issues fragmentarily. This study aimed to develop and psychometrically evaluate a novel, self-report instrument named Physician-assisted dying, Euthanasia, Advance directives and Care at the End-of-life Questionnaire (PEACE-Q) to cohesively assess relevant public attitudes. PEACE-Q was developed through literature review, expert evaluation and pilot testing, with initial validation conducted in Greece. Psychometric evaluation included exploratory factor analysis, item response theory modeling, internal consistency testing and test-retest reliability. Data were collected from 1,046 adults residing in Greece without additional eligibility criteria. Participation was voluntary, anonymous, and based on informed consent. Analysis yielded three reliable thematic sections on public perspectives: euthanasia/PAD with three subscales, ADs with two subscales, and EOL practices and palliative care with three subscales, all demonstrating excellent internal consistency and moderate intercorrelations. Additionally, the Existential Readiness and Death Acceptance Index (ERDAI) emerged as a composite score with excellent internal consistency (α = .911), reflecting preparedness towards EOL decision-making and death acceptance. PEACE-Q proved valid, reliable and conceptually cohesive for assessing attitudes on euthanasia, PAD, ADs, and EOL practices, applicable both independently per section and comprehensively through the ERDAI, with broad applicability across diverse cultural and legal settings.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.