The validity and reliability of EQ-5D health state valuations in a survey of Māori

Abstract

This note reports on a 2000 study of the content validity of the EQ-5D's representation of health for 66 Māori (New Zealand's indigenous people, comprising 14.5% of the population) accessed through cultural networks. Also examined was the construct validity of the health state valuation instrument and its test-retest reliability based on repeated valuations for the two extreme health states. The possibility that the EQ-5D fails to capture what Māori regard as 'health' derives from the so-called 'Māori health model' that augments biological health with mental, spiritual and family well-being. Seventy six percent of respondents considered the EQ-5D's representation of health to be adequate. Th..