Discussion
CARDIOVASCULAR DISEASE
As a fully online, randomized controlled trial, this protocol describes an innovative approach to public health education in general and, more specifically, to the prevention of cardiovascular disease. Sustainable dietary sodium reduction hinges on knowledge about which foods contain high levels of sodium and how to reduce dietary sodium through behavioral shifts. As such, interventions that improve knowledge and catalyze behavioral shifts in the public offer a compelling additional tool for reducing the burden of cardiovascular disease.While designing this trial, we considered the fact that our participant population may not be representative of the general US population. Prior research has found that users registered on ProA tend to be slightly younger and slightly more educated than US averages [