Fig 1. Smartphone (left) and online (right) versions of the digital health intervention.

The online version (right) shows the “Lifestyle” dashboard comprised of CVD risk factors such as smoking status, physical activity, dietary habits, and medication adherence. Patients are able to learn about these habits individually, and note their progress over time. The smartphone version (left) demonstrates the home page of the mobile platform allowing patients to navigate to any portion of the program and enter their own data.