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The Importance of Perspective in the Measurement of Quality Adjusted Life Years

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posted on 05.06.2017, 01:39 authored by Richardson, Jeff, Nord, Erik
Scaling instruments for the measurement of QALYs incorporate either a personal or impersonal perspective on the benefits of a health intervention and either do or do not incorporate considerations of equity. This paper set out three hypotheses concerning perspective and equity. These are: (i) that more equally distributed benefits will be preferred to less equally distributed benefits; (ii) that the preference value elicited for a health benefit will be greater when the respondent to a QALY questionnaire is a potential beneficiary; and (iii) that, by comparison with personal preferences, individuals will be more concerned with the quantity than the quality of life in other people. These hypotheses were tested using two existing instruments, and two other instruments that were created for this study. Results gave no support to the third hypothesis; some support to the first and strong support for the second hypothesis. It is concluded that perspective can significantly alter the values incorporated in a QALY instrument. The policy implications of the results are twofold. First, they give some support to the view that distributional consequences of health programs are of importance to the population and that they should be included in the evaluation of any health program. Second, they indicate that an evaluation should consider whether the health state values to be obtained should incorporate an impersonal perspective reflecting the purely `social' judgement of a health planner or a perspective reflecting self-interest.

History

Year of first publication

1995

Series

Centre for Health Program Evaluation

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