FAQS | EQ-5D-3L
Without the prior written consent of the EuroQol Office, you are not permitted to alter, amend or convert the EQ-5D instrument and related proprietary materials. This includes changing the time frame. If you have any plans to conduct a scientific study investigating a modification of EQ-5D please contact the EuroQol Office.
Read MoreSelf-reported health status captured by EQ-5D instruments relates to the respondent’s situation at the time of completion. No attempt is made to summarize the recalled health status over the preceding days or weeks, although EQ-5D-3L has been tested in recall mode. An early decision taken by the EuroQol Group determined that health status measurement ought…
Read MoreEQ-5D is designed for self-completion by respondents. However, several other modes of administration are also available. The interviewer version is convenient when respondents are unable to read or write, or when subjects are unable to come to the study site. An interviewer will read the instructions and record the responses. Proxy EQ-5D versions are available…
Read MoreLicensing fees are determined by the EuroQol Office based on the user information provided in the registration form. If applicable, the size of the license fee depends on the type of study, funding source, sample size and number of requested EQ-5D versions and languages. You are not obliged to purchase the EQ-5D by registering. Click…
Read MoreThe 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…
Read MoreIf you have already seen the EQ-5D-5L and/or have decided to go ahead and use it, please register your study/project/trial first, by completing the EQ-5D registration form. The EuroQol Office will then contact you by e-mail and inform you about the terms and conditions which apply if you decide to use the EQ-5D, including licensing…
Read MoreEQ-5D value sets are created by conducting a valuation study. In an EQ-5D valuation study, respondents (often members of the general public) are asked to indicate how good or bad some of the EQ-5D health states are. The answers are then combined into a statistical model, with which the value set is created. See here…
Read MoreThe 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…
Read MoreTo obtain a copy of the instrument, please complete the EQ-5D registration form. During the registration process you can select the countries/regions in which you intend to collect EQ-5D data, the languages that you will need and the mode(s) of administration. The EuroQol Office will then contact you by e-mail and inform you about the…
Read MoreThe responses to the five EQ-5D dimensions (i.e. an EQ-5D health state or profile) can be converted into a single number called an index value. The index value reflects how good or bad the health state is according to the preferences of the general population of a country/region. The collection of index values for all…
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