The impact of attrition on the representativeness of cohort studies of older people

Samuel L Brilleman, Nancy A Pachana, Annette J Dobson

Research output: Contribution to journalArticle (Academic Journal)peer-review

55 Citations (Scopus)

Abstract

There are well-established risk factors, such as lower education, for attrition of study participants. Consequently, the representativeness of the cohort in a longitudinal study may deteriorate over time. Death is a common form of attrition in cohort studies of older people. The aim of this paper is to examine the effects of death and other forms of attrition on risk factor prevalence in the study cohort and the target population over time.
Original languageEnglish
Pages (from-to)71
JournalBMC Medical Research Methodology
Volume10
DOIs
Publication statusPublished - 2010

Keywords

  • Mortality
  • Odds Ratio
  • Women's Health
  • Humans
  • Aged
  • Longitudinal Studies
  • Health Services for the Aged
  • Risk Factors
  • Cohort Studies
  • Patient Dropouts
  • Australia
  • Middle Aged
  • Bias (Epidemiology)
  • Female
  • Prevalence

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