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Franco Perrachi, U. Tor Vergata Print
Thursday, 07 May 2009, 12:15 - 13:15

Heterogeneity in health responses and anchoring vignettes

Franco Perrachi, University of Roma, Tor Vergata

Abstract: In this paper we employ the tool of "anchoring vignettes" to understand whether and how women and men living in different regions differently report levels in a number of health components or domains. We propose here a model for correcting interpersonal incomparability of
self-assessed variables which allows for the potential correlation among answers given by the same respondent to self-assessment of health on different domains by including a random individual effect common to all domains. We find that vignettes help identifying gender and regional differences in response scales. After controlling for these differences, both gender and regional variation in reported health is substantially reduced, although not entirely eliminated. Our results suggest that differences in response style should be taken into account when using self-assessment of health in socio-economic studies. Failing to do so may lead to misleading conclusions.

Location: S 12.227
Contact: Claude Adan, This e-mail address is being protected from spam bots, you need JavaScript enabled to view it

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