Urban-rural differences in the prevalence and correlates of mild cognitive impairment in community-dwelling older adults in Taiwan: The EMCIT study

Yi Fang Chuang, Yi Chien Liu, Hsin Yi Tseng, Pei Xuan Lin, Cheng Yi Li, Ming Hsiung Shih, Kuan Chia Lin, Tien Yu Owen Yang, Sui Hing Yan, Yen Ling Chiu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Background: Taiwan is a rapidly aging society. The elderly with mild cognitive impairment (MCI) have increased risk of dementia, and this is a population-based report using standard neuropsychological tests and expert consensus diagnosis to assess the MCI prevalence and its associated factors in Taiwan. Method: The Epidemiology of Mild Cognitive Impairment study in Taiwan (EMCIT) is a community-based, prospective cohort study. Independently-living individuals aged ≧60 years in a rural area (n = 122) and in an urban area (n = 348) of New Taipei City, Taiwan, completed detailed neuropsychological tests at the cohort baseline. Diagnosis of MCI was ascertained through expert consensus based on 2011 NIA-AA criteria. Results: Of 470 participants recruited between 2017 and 2019 (mean age 71.2 ± 5.4 years), the prevalence of MCI was higher in the rural area than in the urban area (25.1% vs. 10.8%, p < 0.001) after standardized for age, gender, and level of education. Having lower education and having depression symptoms were consistently associated with increased risk of MCI in both urban and rural areas (p < 0.05). Being male and diabetes were additionally associated with MCI prevalence in urban areas. Conclusion: In this community-based prospective cohort study in Taiwan, the prevalence of MCI in the rural community was much higher than that in the urban community. Different strategies may be needed to targeted different types of communities.

Original languageEnglish
Pages (from-to)1749-1757
Number of pages9
JournalJournal of the Formosan Medical Association
Volume120
Issue number9
DOIs
StatePublished - Sep 2021

Keywords

  • Epidemiology
  • Mild cognitive impairment
  • Prevalence
  • Rural population

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