A Web-Based Health Application to Translate Nutrition Therapy for Cardiovascular Risk Reduction in Primary Care (PortfolioDiet.app): Quality Improvement and Usability Testing Study.

Meaghan E Kavanagh Laura Chiavaroli Andrea L Glenn Genevieve Heijmans Shannan M Grant Chi-Ming Chow Robert G Josse Vasanti S Malik William Watson Aisha K Lofters Candice Holmes Julia Rackal Kristie Srichaikul Diana Sherifali Erna Snelgrove-Clarke Jacob A Udell Peter Jüni Gillian L Booth Michael E Farkouh Lawrence Alan Leiter Cyril W C Kendall David J A Jenkins John L Sievenpiper

Published in: JMIR human factors (2022)

By undertaking user testing of the PortfolioDiet.app, its limitations and strengths were able to be identified, informing modifications to the application, which resulted in a clinical tool that better meets users' needs. The PortfolioDiet.app educates users on the Portfolio Diet and is considered acceptable by users. Although further refinements to the PortfolioDiet.app will continue to be made before its evaluation in a clinical trial, the result of this QI project is an improved clinical tool.

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