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ArticleHealth expectations : an international journal of public participation in health care and health policy2025

Development and Psychometric Testing of EPAT-16: A Short and Valid Measure for Patient-Centeredness From the Patient's Perspective.

Eva Christalle, Levente Kriston, Stefan Zeh, Hannah Führes, Alica Schellhorn, Pola Hahlweg, Jördis Maria Zill, Martin Härter, Isabelle Scholl

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Article in Health expectations : an international journal of public participation in health care and health policy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.

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2citing papers in PubMed, 1 pooled it
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1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

2 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

Eva ChristalleDepartment of Medical Psychology, University Medical Center Hamburg-Eppendorf, Germany.ORCID 0000-0001-7813-5800
Levente KristonDepartment of Medical Psychology, University Medical Center Hamburg-Eppendorf, Germany.ORCID 0000-0003-0748-264X
Stefan ZehDepartment of Medical Psychology, University Medical Center Hamburg-Eppendorf, Germany.ORCID 0000-0002-1748-3155
Hannah FühresDepartment of Medical Psychology, University Medical Center Hamburg-Eppendorf, Germany.ORCID 0009-0002-1919-1356
Alica SchellhornDepartment of Medical Psychology, University Medical Center Hamburg-Eppendorf, Germany.
Pola HahlwegDepartment of Medical Psychology, University Medical Center Hamburg-Eppendorf, Germany.ORCID 0000-0002-8768-8594
Jördis Maria ZillDepartment of Medical Psychology, University Medical Center Hamburg-Eppendorf, Germany.ORCID 0000-0001-8995-5556
Martin HärterDepartment of Medical Psychology, University Medical Center Hamburg-Eppendorf, Germany.ORCID 0000-0001-7443-9890
Isabelle SchollDepartment of Medical Psychology, University Medical Center Hamburg-Eppendorf, Germany.ORCID 0000-0002-7639-0880

Funding

This study was supported by the German Federal Ministry of Education and Research (Bundesministerium für Bildung und Forschung - BMBF) (no. 01GY1614).
6 · The paper itself

Abstract

backgroundWe previously developed the EPAT-64, a patient-reported experience measure designed to assess patient-centeredness (PC) across 16 dimensions of the validated integrative model of PC. While its modular structure makes it highly adaptable to examine certain dimensions of PC, generating an overall PC score requires assessing all 64 items. This is often challenging in routine settings with limited resources. Therefore, we developed and psychometrically tested a 16-item short form.

methodsWe conducted a cross-sectional study involving adult inpatients and outpatients receiving treatment for cardiovascular diseases, cancer, musculoskeletal disorders and mental health conditions in Germany. To ensure comprehensive content coverage, we selected one item per dimension based on content relevance as well as item characteristics such as item difficulty and item-total correlation. We assessed the structural validity of a unidimensional model using confirmatory factor analysis (CFA), measured reliability with McDonald's Omega and evaluated construct validity by investigating the intercorrelation of the EPAT-16 sum score with measures of general health status and satisfaction with care.

resultsAll items of the final EPAT-16 showed high acceptability and good item-total correlations, with approximately two-thirds demonstrating appropriate item difficulty. CFA showed a slight misfit of the unidimensional model, but a high average variance explained. McDonald's Omega showed high reliability. All hypotheses about construct validity were confirmed.

conclusionsThe EPAT-16 demonstrated good psychometric properties, making it a feasible tool for assessing overall PC when resource constraints preclude using the full EPAT-64. In particular, it can be used in routine care for feedback and quality improvement, as well as in research to assess relationships with other relevant variables. Since its items were designed generically, it can be used for different medical conditions and settings, for example for public reporting. Future research should evaluate the EPAT-16 in diverse, independent patient samples to confirm that its positive characteristics are consistent across different populations and cultures. PATIENT OR PUBLIC CONTRIBUTION: Patients did not participate as active members of the research team. However, for the research proposal, several patient organizations provided positive feedback on the study aims and their relevance, signed a collaboration agreement and later supported recruitment by distributing study information.

Indexed as

Patient-Centered CarePatient Reported Outcome MeasuresPatient SatisfactionAdultAgedCross-Sectional StudiesFactor Analysis, StatisticalFemaleGermanyHumansMaleMiddle AgedPsychometricsReproducibility of ResultsSurveys and Questionnaires

Identifiers

PMID40391817
PMCPMC12090203

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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.