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The Aging, Demographics, and Memory Study: study design and methods.

Kenneth M Langa1, Brenda L Plassman, Robert B Wallace

  • 1Division of General Medicine, Department of Medicine, University of Michigan Health System, 300 North Ingalls Building, Rm. 7E01, Box 4029, Ann Arbor, MI 48109, USA. klanga@umich.edu

Neuroepidemiology
|August 17, 2005
PubMed
Summary

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This summary is machine-generated.

The Aging, Demographics, and Memory Study (ADAMS) offers national data on dementia and cognitive impairment, not dementia (CIND). This study links clinical data with health and economic information for comprehensive analysis.

Area of Science:

  • Gerontology
  • Epidemiology
  • Public Health

Background:

  • Dementia and cognitive impairment pose significant public health challenges.
  • Understanding the prevalence and costs of cognitive decline is crucial for an aging population.

Purpose of the Study:

  • To introduce the Aging, Demographics, and Memory Study (ADAMS) design and methods.
  • To provide data on the antecedents, prevalence, outcomes, and costs of dementia and cognitive impairment, not demented (CIND).
  • To facilitate researcher access to ADAMS and Health and Retirement Study (HRS) data.

Main Methods:

  • ADAMS is the first US population-based dementia study with a national scope and standardized diagnostic protocol.
  • 856 individuals aged 70+ from the Health and Retirement Study (HRS) underwent clinical and neuropsychological assessments.

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  • Diagnoses included normal cognition, CIND, and dementia, with etiological subcategories for CIND and dementia.

    • Main Results:

    • The study establishes a nationally representative sample for dementia and CIND research.
    • Data allows for the categorization of cognitive impairment by etiology (e.g., Alzheimer's disease, vascular dementia).

    Conclusions:

    • Linking ADAMS clinical data with longitudinal HRS data offers a unique research opportunity.
    • Enables the study of CIND and dementia onset, risk factors, prevalence, outcomes, and costs in a national population.
    • Provides a foundation for understanding the multifaceted impact of cognitive decline.