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Mobile Application Increased Nutrition Knowledge Among Brazilian Physicians
Sabrina Dalbosco Gadenz1, Erno Harzheim2, Dimitris Rucks Varvaki Rados3
1Postgraduate Program in Epidemiology, School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil; Núcleo de Telessaúde of Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
Journal of Nutrition Education and Behavior
|December 21, 2023
Summary
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.
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.
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