Cut-point shift and index shift in self-reported health

There is some concern that ordered responses on health questions may differ across populations or even across subgroups of a population. This reporting heterogeneity may invalidate group comparisons and measures of health inequality. This paper proposes a test for differential reporting in ordered r...

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Bibliographic Details
Published in:Journal of health economics 2004-11, Vol.23 (6), p.1083-1099
Main Authors: Lindeboom, Maarten, van Doorslaer, Eddy
Format: Article
Language:English
Subjects:
Adult
Aged
Attitude to Health - ethnology
Canada
Culture
Cut-point shift
Female
Health
Health administration
Health care industry
Health measurement
Health Surveys
Hierarchical ordered probit
Hierarchy
Humans
Index shift
Indexes
Inequality
Likelihood Functions
Logistic Models
Male
Mathematical models
Measurement
Middle Aged
Models, Theoretical
National surveys
Polls & surveys
Population
Psychometrics
Response shift bias
Self-Assessment
Selfreport measures
Socioeconomic Factors
Statistical analysis
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Summary:There is some concern that ordered responses on health questions may differ across populations or even across subgroups of a population. This reporting heterogeneity may invalidate group comparisons and measures of health inequality. This paper proposes a test for differential reporting in ordered response models which enables to distinguish between cut-point shift and index shift. The method is illustrated using Canadian National Population Health Survey data. The McMaster Health Utility Index Mark 3 ( HUI3) is used as a more objective health measure than the simple five-point scale of self-assessed health. We find clear evidence of index shifting and cut-point shifting for age and gender, but not for income, education or language.
ISSN:0167-6296
1879-1646
DOI:10.1016/j.jhealeco.2004.01.002