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Public Health.

Jose M Aravena1,2, Hugo Castro3,4, Ronald Poblete3

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Summary
This summary is machine-generated.

Nudge-based interventions significantly improved healthy brain behaviors and dementia prevention knowledge among older adults. Healthcare providers also increased dementia prevention discussions and risk management recommendations.

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Area of Science:

  • Gerontology
  • Public Health
  • Neurology

Background:

  • Healthy lifestyles reduce dementia risk, yet dementia prevention is rarely discussed with healthcare providers.
  • Nudge-based interventions show promise in clinical practice but haven't been tested for dementia prevention.
  • This study aimed to evaluate nudge-based interventions for dementia prevention practices.

Purpose of the Study:

  • To assess the effectiveness of a nudge-based intervention in promoting healthy brain behaviors for dementia prevention.
  • To evaluate changes in patient knowledge and healthcare provider practices regarding dementia prevention.
  • To determine the impact on cognitive scores and risk factor management.

Main Methods:

  • A pragmatic cluster-randomized trial involving 210 participants aged 60+ with cognitive impairment but no dementia in Chilean senior centers.
  • Intervention centers received usual care plus nudge-based materials (posters, brochures, webpage) encouraging Alzheimer's Disease (AD) preventive practices.
  • Usual care included physical, social, and cognitive activities, plus general dementia talks for healthcare providers.

Main Results:

  • The intervention group showed significant improvements in composite healthy brain behaviors scores (physical, social, dietary, cardiovascular).
  • Participants in the intervention group reported increased knowledge of dementia prevention methods and more discussions with healthcare providers.
  • Healthcare providers in the intervention group increased risk factor management recommendations, though global cognitive scores did not differ.

Conclusions:

  • Nudge-based information, integrated with clinical practice, effectively promotes healthy brain behaviors for dementia prevention.
  • The intervention positively influenced both patient practices and healthcare provider engagement in dementia prevention discussions.
  • While not directly improving global cognition, the intervention showed promise in reducing cases with moderate cognitive impairment.