Head-to-head comparison between the EQ-5D-5L and the EQ-5D-3L in general population health surveys

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  • dc.contributor.author Martí-Pastor, Marc
  • dc.contributor.author Pont Acuña, Àngels
  • dc.contributor.author Ávila Pacheco, Mónica Marcela, 1984-
  • dc.contributor.author Garin Boronat, Olatz, 1979-
  • dc.contributor.author Vilagut Saiz, Gemma, 1975-
  • dc.contributor.author García Forero, Carlos
  • dc.contributor.author Pardo Cladellas, Yolanda
  • dc.contributor.author Tresserras i Gaju, Ricard, 1957-
  • dc.contributor.author Medina-Bustos, Antonia
  • dc.contributor.author Garcia-Codina, Oriol
  • dc.contributor.author Cabasés, Juan
  • dc.contributor.author Rajmil Rajmil, Luis Alberto
  • dc.contributor.author Alonso Caballero, Jordi
  • dc.contributor.author Ferrer Forés, Maria Montserrat
  • dc.date.accessioned 2019-01-15T08:08:01Z
  • dc.date.available 2019-01-15T08:08:01Z
  • dc.date.issued 2018
  • dc.description.abstract Background: The EQ-5D has been frequently used in national health surveys. This study is a head-to-head comparison to assess how expanding the number of levels from three (EQ-5D-3L) to five in the new EQ-5D-5L version has improved its distribution, discriminatory power, and validity in the general population. Methods: A representative sample (N = 7554) from the Catalan Health Interview Survey 2011–2012, aged ≥18, answered both EQ-5D versions, and we evaluated the response redistribution and inconsistencies between them. To assess validity of this redistribution, we calculated the mean of the Visual Analogue Scale (VAS), which measures perceived health. The discriminatory power was examined with Shannon Indices, calculated for each dimension separately. Spanish preference value sets were applied to obtain utility indices, examining their distribution with statistics of central tendency and dispersion. We estimated the proportion of individuals reporting the best health state in EQ-5D-5L and EQ-5D-3L within groups of specific chronic conditions and their VAS mean. Results: A very small reduction in the percentage of individuals with the best health state was observed, from 61.8% in EQ-5D-3L to 60.8% in EQ-5D-5L. In contrast, a large proportion of individuals reporting extreme problems in the 3 L version moved to severe problems (level 4) in the 5 L version, particularly for pain/discomfort (75.5%) and anxiety/depression (66.4%). The average proportion of inconsistencies was 0.9%. The pattern of the perceived health VAS mean confirmed the hypothesis established a priori, supporting the validity of the observed redistribution. Shannon index showed that absolute informativity was higher in the 5 L version for all dimensions. The means (SD) of the Spanish EQ-5D-3L and EQ-5D-5L indices were 0.87 (0.25) and 0.89 (0.22). The proportion of individuals with the best health state within each specific chronic condition was very similar, regardless of the EQ-5D version (≤ 30% in half of the 28 chronic conditions). Conclusion: Although the proportion of individuals with the best possible health state is still very high, our findings support that the increase of levels provided by the EQ-5D-5L contributed to the validity and discriminatory power of this new version to measure health in general population, as in the national health surveys.
  • dc.format.mimetype application/pdf
  • dc.identifier.citation Martí-Pastor M, Pont A, Ávila M, Garin O, Vilagut G, Forero CG et al. Head-to-head comparison between the EQ-5D-5L and the EQ-5D-3L in general population health surveys. Popul Health Metr. 2018;16(1):14. DOI: 10.1186/s12963-018-0170-8
  • dc.identifier.doi http://dx.doi.org/10.1186/s12963-018-0170-8
  • dc.identifier.issn 1478-7954
  • dc.identifier.uri http://hdl.handle.net/10230/36269
  • dc.language.iso eng
  • dc.publisher BioMed Central
  • dc.relation.ispartof Population Health Metrics. 2018;16(1):14
  • dc.rights © The Author(s). This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
  • dc.rights.accessRights info:eu-repo/semantics/openAccess
  • dc.rights.uri http://creativecommons.org/licenses/by/4.0/
  • dc.subject.keyword Quality of life
  • dc.subject.keyword Health survey
  • dc.subject.keyword Validity and reliability
  • dc.subject.keyword Perceived health
  • dc.title Head-to-head comparison between the EQ-5D-5L and the EQ-5D-3L in general population health surveys
  • dc.type info:eu-repo/semantics/article
  • dc.type.version info:eu-repo/semantics/publishedVersion

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