FAQS | EQ-5D-Y-5L

Have the psychometric properties of the EQ-5D-Y-5L been tested?

The psychometric properties of the EQ-5D-Y-5L have been published in 18 studies to date.1 Most of these studies have compared the performance of the EQ-5D-Y-5L to the EQ-5D-Y-3L. Noteworthy results include reduced ceiling effects, and evidence for improved construct validity and responsiveness on the EQ-5D-Y-5L compared to the EQ-5D-Y-3L in some populations and conditions. The…

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Why was the EQ-5D-Y-5L introduced?

The EQ-5D-Y-5L provides respondents with a greater range of response options than the EQ-5D-Y-3L allowing them to describe their health more precisely. Expanding the number of severity response levels in each dimension reduces ceiling effects and improves the sensitivity of the measure in some conditions.  The five-level structure of the EQ-5D-Y-5L is also more comparable…

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How should we cite the EQ-5D-Y-5L instrument?

When publishing results obtained with the EQ-5D-Y-5L, the following key reference can be used:Kreimeier S, Åström M, Burström K, Egmar AC, Gusi N, Herdman M, Kind P, Perez MA, Greiner W. (2019). EQ-5D-Y-5L: developing a revised EQ-5D-Y with increased response categories. Quality of Life Research, 28, 1951-1961.

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Who uses the EQ-5D?

EQ-5D is used by scientists across the world in different settings and for many different diseases. It is used by academia (e.g. universities, research institutes), governments (national, regional, municipal), industry (e.g. pharmaceuticals, medical devices) and by hospitals and clinics (e.g. hospitals, GP practices). At an international level, the pharmaceutical industry and scientific groups are the…

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What is the difference between the VAS, TTO and DCE techniques? Can they all be used to generate a quality adjusted life year (QALY) score?

The time trade-off (TTO), visual analogue scale (VAS) and discrete choice experiment (DCE) value sets differ in the technique used to elicit the values for the models. In the TTO task, respondents are asked to imagine they live in a certain suboptimal health state for 10 years and then to specify the amount of time…

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Why are general population values sets used?

To undertake a utility analysis, you will need to use a value set. Generally speaking, utility analysis requires a value set based on preferences from a general population. The rationale behind this is that the values are supposed to reflect the preferences of local taxpayers and potential receivers of healthcare. The EQ-5D value sets are…

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Where can I find STATA/SPSS tools for EQ-5D, such as syntax files?

Please contact the EuroQol office.

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I have seen EQ-5D ‘language’ using 5 numbers (e.g. 12321 or 43251). What does this mean?

The descriptive system section of the EQ-5D questionnaire produces a 5-digit health state profile that represents the level of reported problems on each of the five dimensions of health, e.g. EQ-5D-5L health state 11313 represents a patient who indicates moderate problems on the usual activities and anxiety/depression dimensions and no problems on the remaining dimensions.…

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Once I have registered, what will be included in the contents of the EQ-5D package of information that will be sent to me? If in a digital mode of administration, how will that be shared with me/in what form?

The EuroQol Office team will determine if a license agreement needs to be drawn up and whether a license fee is applicable, in accordance with our EQ-5D User License Policy. EQ-5D paper versions will be provided as a Word document. For electronic versions, an Excel sheet will be provided with the EQ-5D labels, together with…

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What is the difference between the EQ-5D descriptive system, the EQ VAS and the EQ-5D index values?

The descriptive system section of the EQ-5D questionnaire produces a 5-digit health state profile that represents the level of reported problems on each of the five dimensions of health, e.g.EQ-5D-5L health state 21143 represents a patient who indicates slight problems on the mobility dimension, no problems on the self-care and usual activities dimensions, severe pain…

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