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A questionnaire to screen for cognitive impairment among elderly people in developing countries.

E H Kua1, S M Ko

  • 1Department of Psychological Medicine, National University of Singapore.

Acta Psychiatrica Scandinavica
|February 1, 1992
PubMed
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The Elderly Cognitive Assessment Questionnaire (ECAQ) effectively screens for cognitive impairment in developing countries. This 10-item tool demonstrates high accuracy, making it suitable for diverse elderly populations.

Area of Science:

  • Gerontology
  • Cognitive Assessment
  • Public Health

Background:

  • Western-developed cognitive impairment questionnaires may not suit developing countries due to cultural and literacy differences.
  • There is a need for culturally relevant and accessible cognitive assessment tools for elderly populations in diverse settings.

Purpose of the Study:

  • To introduce and evaluate the Elderly Cognitive Assessment Questionnaire (ECAQ) for assessing cognitive impairment in elderly individuals in developing countries.
  • To compare the performance of the ECAQ with an existing cognitive assessment tool.

Main Methods:

  • The Elderly Cognitive Assessment Questionnaire (ECAQ) was developed using items from the Mini-Mental State Examination and Geriatric Mental State Schedule.
  • A study involving 105 elderly subjects in Singapore compared the ECAQ with Kahn's Mental Status Questionnaire.

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Main Results:

  • The ECAQ demonstrated high performance metrics: 85.3% sensitivity, 91.5% specificity, and 82.8% positive predictive value.
  • Compared to Kahn's Mental Status Questionnaire, the ECAQ showed similar sensitivity but superior specificity and a lower overall miscalculation rate (10.5%).

Conclusions:

  • The ECAQ is a satisfactory scale for the quantitative assessment of cognitive impairment among elderly people in developing countries.
  • The ECAQ's high specificity and positive predictive value make it a valuable tool for cognitive screening in diverse elderly populations.