DASH - Sodium extended research from DASH trial to address several issues of relevance to clinical practice and public health and capitalized on the success of DASH by following the multicenter outpatient feeding study model. The model permitted a true test of efficacy because of high adherence and follow-up rates. In addition, the population studied across four geographic areas, encompassing individuals with diastolic blood pressure between 80-95 mm Hg and systolic blood pressure <160 mm Hg, was broadly representative, thus making the results generalizable to a large portion of the United States population.