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Acceptability of a Web-Based Health App (PortfolioDiet.app) to Translate a Nutrition Therapy for Cardiovascular Disease in High-Risk Adults: Mixed Methods Randomized Ancillary Pilot Study

Acceptability of a Web-Based Health App (PortfolioDiet.app) to Translate a Nutrition Therapy for Cardiovascular Disease in High-Risk Adults: Mixed Methods Randomized Ancillary Pilot Study

To be eligible for the ancillary study, participants needed to have access to a web portal through a personal smartphone, tablet, or home computer and needed to have an active email address. Eligible participants were randomized in a 1:1 ratio to either the Portfolio Diet.app group or a control group using a computer-generated allocation sequence.

Meaghan E Kavanagh, Laura Chiavaroli, Selina M Quibrantar, Gabrielle Viscardi, Kimberly Ramboanga, Natalie Amlin, Melanie Paquette, Sandhya Sahye-Pudaruth, Darshna Patel, Shannan M Grant, Andrea J Glenn, Sabrina Ayoub-Charette, Andreea Zurbau, Robert G Josse, Vasanti S Malik, Cyril W C Kendall, David J A Jenkins, John L Sievenpiper

JMIR Cardio 2025;9:e58124

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

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

The Portfolio Diet.app is based on a nutrition therapy to manage dyslipidemia, the Portfolio Diet, that was demonstrated to be effective in individuals with hyperlipidemia [1,2]. The Portfolio Diet.app is a freely available web-based application that can be accessed on any smartphone or PC [23]. A web-based platform was chosen as the initial form to ensure that the application was accessible to patients.

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

JMIR Hum Factors 2022;9(2):e34704