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Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
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A Health Communication Strategy to Promote Dementia Risk Reduction: The CULTIVAMENTE Pragmatic Cluster-Randomized

Jose M Aravena1,2,3, Hugo Castro4, Ronald Poblete4

  • 1Department of Social and Behavioral Sciences, School of Public Health, Yale University, New Haven, Connecticut, USA.

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Summary
This summary is machine-generated.

A nudge-based communication strategy improved Alzheimer's disease (AD) prevention behaviors and cognitive function in older adults. This low-cost approach shows promise for scalable dementia risk reduction in community settings.

Keywords:
community health servicesdementiahealth communicationhealth promotionsocial determinants of health

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Area of Science:

  • Gerontology
  • Public Health
  • Neuroscience

Background:

  • Dementia prevention is a global health priority, yet few interventions are implemented in community settings.
  • This study addresses the gap by evaluating a novel communication strategy for Alzheimer's disease (AD) prevention.

Purpose of the Study:

  • To assess the effectiveness of a nudge-based communication strategy on behavioral, cognitive, and provider outcomes for AD prevention.
  • To evaluate a low-intensity, scalable intervention in a real-world setting.

Main Methods:

  • A pragmatic cluster-randomized trial was conducted in seven senior centers with adults aged 60+ with cognitive impairment but no dementia.
  • The intervention group received CULTIVAMENTE, a nudge-based communication strategy (posters, brochures, web content), alongside standard care.
  • Outcomes included cognitive healthy behavior scores, cognitive performance (memory, executive function), mild-to-moderate cognitive impairment prevalence, and provider practices, analyzed using intention-to-treat linear mixed models.

Main Results:

  • Participants in the intervention group showed significantly greater improvement in cognitive healthy behaviors compared to the control group.
  • Cognitive scores (memory and executive function) improved in the intervention group, and the prevalence of mild-to-moderate cognitive impairment declined.
  • Intervention participants reported increased knowledge of AD prevention, more discussions with providers, and higher rates of risk factor management referrals.

Conclusions:

  • Integrating nudge-based messaging into senior centers effectively enhances dementia prevention behaviors, cognitive health, and provider engagement.
  • Findings support the use of low-cost, scalable strategies for dementia risk reduction in community-based settings.