Qual Life Res (2017) 26:2489–2496 DOI 10.1007/s11136-017-1591-8 Further evidence on EQ-5D-5L preference inversion: a Brazil/U.S. collaboration 1 2 3 1 • • • Benjamin M. Craig Andre ´a L. Monteiro Michael Herdman Marisa Santos Accepted: 4 May 2017 / Published online: 8 May 2017 Springer International Publishing Switzerland 2017 Abstract Results In the English-speaking respondents, preference Purpose A preference inversion occurs when ‘‘worse’’ inversion was only observed to a substantial extent in the health (instead of ‘‘better’’ health) along a scale or score is AD dimension (U.S. N = 470; 7% MO, 14% SC, 14% UA, preferred. Our aim was to conﬁrm past ﬁndings of EQ-5D- 20% PD, and 45% AD). Inversions were more common 5L preference inversions among English-speaking respon- among the Portuguese-speaking respondents (Brazil dents and to explore inversions among Portuguese-speak- N = 270; 11% MO, 32% SC, 35% UA, 49% PD, and 65% ing respondents. Anecdotal evidence suggests that AD). Speciﬁcally, 44 out of 68 Brazilian respondents inversions may be more common in the Portuguese ver- (65%) preferred ‘‘extremamente’’ (Level 5 AD) over sion, where the translation of the fourth level ‘‘severely’’ ‘‘gravemente ansioso (a) ou deprimido (a)’’ (Level 4 AD). (gravemente) means ‘‘gravely.’’ Conclusions This
Quality of Life Research – Springer Journals
Published: May 8, 2017
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