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The Dieta Dash app improved primary care physicians' self-confidence and eating habit assessments for hypertension management. While not significantly increasing overall knowledge scores, it enhanced dietary counseling skills.

Keywords:
hypertensionmedical educationmobile applicationnutritionprimary care

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Area of Science:

  • Public Health
  • Clinical Nutrition
  • Health Informatics

Background:

  • Dietary Approaches to Stop Hypertension (DASH) diet is crucial for hypertension management.
  • Primary care physicians (PCPs) play a vital role in delivering dietary advice.
  • Mobile applications can potentially support PCPs in providing nutritional guidance.

Purpose of the Study:

  • To evaluate the impact of the Dieta Dash mobile application on PCPs' knowledge and dietary counseling skills.
  • To assess if a DASH diet recommendation app improves PCPs' ability to counsel patients on hypertension management.

Main Methods:

  • A randomized controlled trial involving 222 physicians in a Brazilian public primary care setting.
  • Intervention group used the Dieta Dash application for 30 days, focusing on hypertension nutritional recommendations.
  • Primary outcome was the change in nutrition knowledge score; secondary outcomes included self-assessment of knowledge, confidence, eating habits, and counseling barriers.

Main Results:

  • No significant difference in mean nutrition knowledge scores between groups (P=0.15).
  • The intervention group showed a 12% increase in the prevalence of high knowledge (PR=1.12).
  • Significant improvements were observed in self-confidence (PR=1.21) and assessment of eating habits (PR=1.26) within the intervention group.

Conclusions:

  • The Dieta Dash application effectively enhanced PCPs' self-confidence and ability to assess patients' eating habits.
  • While overall knowledge scores did not significantly differ, the app showed potential in improving specific aspects of dietary counseling for hypertension.
  • Addressing primary care barriers remains essential for maximizing the impact of such digital health tools.