Cognitive performance norms from the Korean genome and epidemiology study (KoGES)

Hyun Kim, Rhoda Au, Robert J. Thomas, Chang Ho Yun, Seung Ku Lee, Changsu Han, Chol Shin

Research output: Contribution to journalArticle

Abstract

Background:: While normative data on neuropsychological performance provide baseline metrics for the assessment and diagnosis of mild cognitive impairment and dementia, a lack of comparative normative data in non-Caucasian populations makes it difficult to conduct similar evaluations and studies in individuals from diverse backgrounds. The current paper aims to provide normative data on a range of cognitive measures in a Korean general population sample and investigate various demographic and health variables associated with cognitive performance in this representative population. Method(s):: The study population was 1,528 stroke and dementia-free individuals who participated in the Korean Genome and Epidemiology study (KoGES) (mean age 60.43 ± 7.30, 52.42% female). All participants underwent a comprehensive neuropsychological test battery that included verbal and visual memory, language, attention, and executive function measures. A health examination and a questionnaire-based interview were also administered. Results:: The majority of cognitive test results were associated with age, education, and gender. In general, higher education and younger age was associated with better cognitive performance. Explained variance increased modestly in models that included measures of general health and depressive symptoms. Conclusion:: Normative data of cognitive performance in a community based Korean population are presented. These norms provide reference values in a non-Caucasian middle to older aged sample.

Original languageEnglish
Pages (from-to)1-16
Number of pages16
JournalInternational Psychogeriatrics
DOIs
Publication statusAccepted/In press - 2017 Jul 13

Keywords

  • epidemiology
  • neuropsychological testing

ASJC Scopus subject areas

  • Clinical Psychology
  • Gerontology
  • Geriatrics and Gerontology
  • Psychiatry and Mental health

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