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Quality of Life Research

Erschienen in:

14.06.2019

A hybrid modelling approach for eliciting health state preferences: the Portuguese EQ-5D-5L value set

verfasst von: Pedro L. Ferreira, Patrícia Antunes, Lara N. Ferreira, Luís N. Pereira, Juan M. Ramos-Goñi

Erschienen in: Quality of Life Research | Ausgabe 12/2019

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Abstract

Background

The EQ-5D is a generic preference-based quality of life measure considered useful for supporting clinical and policy decisions by providing utility values that can easily be converted into quality-adjusted life years to be integrated in cost-utility economic evaluations. Although the three-level classification system of the EuroQol questionnaire (EQ-5D-3L) is still the most popular preference-based instrument used worldwide, several studies reported a ceiling effect on this version, especially in healthy and/or young individuals. In 2009, the EuroQol Group introduced a five-level EQ-5D, which expands the descriptive system from three to five levels within the same five dimensions. For this version to be used in health economic evaluation, societal values need to be assigned to the 3125 health states generated by this instrument.

Objectives

The aims of this study were to elicit the EQ-5D-5L health state preferences from the general Portuguese population and to derive the Portuguese value set for the EQ-5D-5L.

Methods

A representative sample of the Portuguese general population aged above 18 years was stratified by age and gender (n = 1451). Between October 2015 and July 2016, 28 interviewers carried out a series of 1-h-long computer-assisted personal interviews following the EuroQol Valuation Technology protocol. Each interview included the valuation of ten health states using the composite time trade-off (cTTO) and seven pairs of discrete choice experiments (DCEs). A standardized tool for quality control was used to assess the quality of the data as well as direct supervision and cross-examination of 10% of the global sample size. Data from both cTTO and DCE valuation tasks were modelled using a censored heteroskedastic hybrid model.

Results

Interviewers complied with the quality control protocol in providing high-quality valuation data. The hybrid econometric model had consistent and significant parameters. The derived societal values for the Portuguese population ranged from − 0.603 to 1.

Conclusion

This study provided the Portuguese value set for the EQ-5D-5L on the basis of a hybrid econometric model using cTTO and DCE data. These results represent the preferences of the Portuguese population and are recommended to inform health decision-making in Portugal.

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Titel: A hybrid modelling approach for eliciting health state preferences: the Portuguese EQ-5D-5L value set
verfasst von: Pedro L. Ferreira
Patrícia Antunes
Lara N. Ferreira
Luís N. Pereira
Juan M. Ramos-Goñi
Publikationsdatum: 14.06.2019
Verlag: Springer International Publishing
Erschienen in: Quality of Life Research / Ausgabe 12/2019
Print ISSN: 0962-9343
Elektronische ISSN: 1573-2649
DOI: https://doi.org/10.1007/s11136-019-02226-5

Live-Webinar: Aktuelle Leitlinien bei Herz-Kreislauf-Erkrankungen

Springer Medizin

A hybrid modelling approach for eliciting health state preferences: the Portuguese EQ-5D-5L value set

Abstract

Background

Objectives

Methods

Results

Conclusion

Live-Webinar: Aktuelle Leitlinien bei Herz-Kreislauf-Erkrankungen

Springer Medizin

Abstract

Background

Objectives

Methods

Results

Conclusion

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