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Public Health.

Vanessa Lunardi1, Jing Wei Lim1

  • 1Khoo Teck Puat Hospital, Singapore, Singapore.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 23, 2025
PubMed
Summary
This summary is machine-generated.

A brief dementia test (BDT) shows promise as a quick and effective dementia screening tool for community settings. This dementia screening method correlates well with the Mini-Mental State Examination (MMSE), offering a time-saving alternative.

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Area of Science:

  • Gerontology
  • Neurology
  • Public Health

Background:

  • Dementia screening tools like the Mini-Mental State Examination (MMSE) and AD8 Dementia Screening Interview (AD8) face time constraints in primary care and community settings.
  • A previously developed brief dementia test (BDT), combining AD8 and MMSE subcomponents, showed diagnostic utility but needed validation in health screenings.
  • This pilot study aimed to validate the BDT as a dementia screening tool in community-dwelling elderly adults.

Purpose of the Study:

  • To evaluate the performance of the brief dementia test (BDT) as a dementia screening tool.
  • To compare the BDT's effectiveness against the full Mini-Mental State Examination (MMSE) in a community health screening context.
  • To assess the BDT's potential as a time-saving alternative for cognitive function assessment.

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Main Methods:

  • The study involved community-dwelling Singaporean elderly individuals (n=18, ages 63-80).
  • Participants underwent the full Mini-Mental State Examination (MMSE), and the AD8 Dementia Screening Interview (AD8) was completed by an informant or self-rated.
  • The brief dementia test (BDT) score was calculated by summing reversed AD8 scores with two MMSE subcomponents (three-item recall and intersecting pentagon copy).

Main Results:

  • The brief dementia test (BDT) demonstrated a strong positive correlation with the full Mini-Mental State Examination (MMSE) (Pearson's r = 0.753, p < 0.001).
  • The percentage of relative standard deviation for the BDT (11.1±13.0%) was comparable to that of the MMSE (27.1±13.1%).

Conclusions:

  • The brief dementia test (BDT) shows potential as a robust and time-saving alternative to the MMSE for dementia screening.
  • The BDT's validation in a community health screening setting suggests its utility in resource-limited primary care and community environments.
  • This study highlights the BDT's effectiveness in assessing cognitive function in the elderly within community settings.