Ascertaining dementia by expert panel in epidemiologic studies of nursing home residents

Jay Magaziner, Sheryl Itkin Zimmerman, Pearl S. German, Kris Kuhn, Conrad May, Frank Hooper, Donna Cox, J. Richard Hebel, Steven Kittner, Lynda Burton, Paul Fishman, Bruce Kaup, Joana Rosario, Mary Cody

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


A new method for ascertaining dementia in epidemiologic research and the results of a study to evaluate it are described. The method relies on an expert panel of clinicians reviewing clinically relevant information collected by lay evaluators to arrive at a diagnosis based on DSM-III-R criteria. The approach was developed to study dementia in a statewide sample of over 2400 new admissions to 59 nursing homes in Maryland. Expert panel ascertainment of dementia was compared to that obtained by direct clinical evaluation for 100 nursing home residents. Agreement between the panel and direct assessment was 76% (kappa = 0.59) using a three-category classification of dementia, no dementia, and indeterminate. This ascertainment strategy provides an alternative to methods currently in use and is particularly well-suited for populations with a high prevalence, in those dispersed over large geographic areas, and when timely, cost-effective evaluations are required.

Original languageEnglish (US)
Pages (from-to)431-437
Number of pages7
JournalAnnals of epidemiology
Issue number5
StatePublished - Sep 1996
Externally publishedYes


  • Dementia
  • aging
  • assessment
  • epidemiologic methods
  • methodology
  • nursing home

ASJC Scopus subject areas

  • Epidemiology


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