Assessing the effectiveness of anchoring vignettes in bias reduction for socioeconomic disparities in self-rated health among chinese adults

Hongwei Xu, Yu Xie

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

The authors investigate how reporting heterogeneity may bias socioeconomic and demographic disparities in self-rated general health, a widely used health indicator, and how such bias can be adjusted by using new anchoring vignettes designed in the 2012 wave of the China Family Panel Studies (CFPS). The authors find systematic variation by sociodemographic characteristics in thresholds used by respondents in rating their general health status. Such threshold shifts are often nonparallel in that the effect of a certain group characteristic on the shift is stronger at one level than another. The authors find that the resulting bias of measuring group differentials in selfrated health can be too substantial to be ignored. They demonstrate that the CFPS anchoring vignettes prove to be an effective survey instrument in obtaining bias-adjusted estimates of health disparities not only for the CFPS sample but also for an independent sample from the China Health and Retirement Longitudinal Study. Effective adjustment for reporting heterogeneity may require vignette administration only to a small subsample (20 percent to 30 percent of the full sample). Using a single vignette can be as effective as using more in terms of anchoring, but the results are sensitive to the choice of vignette design.

Original languageEnglish (US)
Pages (from-to)84-120
Number of pages37
JournalSociological Methodology
Volume46
Issue number1
DOIs
StatePublished - 2016

All Science Journal Classification (ASJC) codes

  • Sociology and Political Science

Keywords

  • Anchoring vignettes
  • Reporting heterogeneity
  • Self-rated health
  • Socioeconomic status

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