eq5dmap: A command for mapping between EQ-5D-3L and EQ-5D-5L

Mónica Hernández-Alava () and Stephen Pudney
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Mónica Hernández-Alava: University of Sheffield
Authors registered in the RePEc Author Service: Monica Hernandez Alava

Stata Journal, 2018, vol. 18, issue 2, 395-415

Abstract: In this article, we describe a new command, eq5dmap, for conditional prediction of the utility values of EQ-5D-5L (EQ-5D-3L) from observed or speci- fied values of EQ-5D-3L (EQ-5D-5L) conditional on age and gender. Predictions can be made either from the five-item health descriptions or from the (exact or approximate) utility score. The prediction process is based on a joint statistical model of the two variants of EQ-5D that have been fit to alternative reference datasets (the National Data Bank for Rheumatic Diseases and a EuroQol Group coordinated data-collection study). The underlying model is a system of ordinal regressions with a flexible residual distribution specified as Gaussian or as a copula mixture. Use of the command is illustrated with an application that includes an investigation of the sensitivity of the mapping outcomes to the choice of reference dataset.

Keywords: eq5dmap; EQ-5D; EQ-5D-3L; EQ-5D-5L; mapping; conditional prediction; copula; mixture model (search for similar items in EconPapers)
Date: 2018
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