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“How are you feeling?” Assessing reporting bias in a subjective measure of health by quantile regression

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Author Info

  • Lunde, Lene

    ()
    (University of Bergen)

  • Løken, Katrine Vellesen

    ()
    (University of Bergen)

Abstract

In this paper we investigate reporting heterogeneity in the Visual Analogue Scale (VAS) when it is used to measure current health status in cardiovascular patients. We provide a new framework to identify reporting heterogeneity using quantile regressions. EQ-5D responses are used as a proxy to control for objective health. The objectiveness of this generic measure is supported by other measures of actual health. The data comes from a Norwegian, health-related quality of life study. We find substantial evidence of reporting bias in VAS related to gender and education. For some quantiles we observe reporting heterogeneity related to age and weight.

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File URL: http://www.uib.no/filearchive/wp08.11.pdf
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Bibliographic Info

Paper provided by University of Bergen, Department of Economics in its series Working Papers in Economics with number 08/11.

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Length: 36 pages
Date of creation: 01 May 2011
Date of revision:
Handle: RePEc:hhs:bergec:2011_008

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Postal: Institutt for økonomi, Universitetet i Bergen, Postboks 7802, 5020 Bergen, Norway
Phone: (+47)55589200
Fax: (+47)55589210
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Web page: http://www.uib.no/econ/en
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Keywords: Reporting bias; quantile regression; health measurement;

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  1. Doorslaer, Eddy van & Jones, Andrew M., 2003. "Inequalities in self-reported health: validation of a new approach to measurement," Journal of Health Economics, Elsevier, vol. 22(1), pages 61-87, January.
  2. Michael Baker & Mark Stabile & Catherine Deri, 2004. "What Do Self-Reported, Objective, Measures of Health Measure?," Journal of Human Resources, University of Wisconsin Press, vol. 39(4).
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