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Methods Papers

Home-Based Blood Pressure Interventions for Blacks

Penny H. Feldman, PhD; Margaret V. McDonald, MSW; Jennifer M. Mongoven, MPH; Timothy R. Peng, PhD; Linda M. Gerber, PhD and Liliana E. Pezzin, PhD, JD

From the Center for Home Care Policy and Research (P.H.F., M.V.M., J.M.M., T.R.P.), Visiting Nurse Service of New York; the Department of Public Health (L.M.G.), Weill Cornell Medical College, New York, NY; and the Department of Medicine and Health Policy Institute (L.E.P.), Medical College of Wisconsin, Milwaukee, Wis.

Correspondence to Penny H. Feldman, PhD, Director, Center for Home Care Policy and Research, Visiting Nurse Service of New York, 107 E 70th St, New York, NY 10021. E-mail pfeldman{at}vnsny.org

Efforts to increase blood pressure (BP) control rates in blacks, a traditionally underserved high-risk population must address both provider practice and patient adherence issues. The home-based BP Intervention for blacks study is a 3-arm randomized controlled trial designed to test 2 strategies to improve hypertension management and outcomes in a decentralized service setting serving a vulnerable and complex home care population. The primary study outcomes are systolic BP, diastolic BP, and BP control; secondary outcomes are nurse adherence to hypertension management recommendations and patient adherence to medication, healthy diet, and other self-management strategies. Nurses (n=312) in a nonprofit Medicare-certified home health agency are randomized along with their eligible hypertensive patients (n=845). The 2 interventions being tested are (1) a "basic" intervention delivering key evidence-based reminders to home care nurses and patients while the patient is receiving traditional postacute home health care; and (2) an "augmented" intervention that includes that same as the basic intervention, plus transition to an ongoing Hypertension Home Support Program that extends support for 12 months. Outcomes are measured at 3 and 12 months after baseline interview. The interventions will be assessed relative to usual care and to each other. Systems change to improve BP management and outcomes in home health will not easily occur without new intervention models and rigorous evaluation of their impact. Results from this trial will provide important information on potential strategies to improve BP control in a low-income chronically ill patient population.

Key Words: hypertension • blood pressure • black • home care services

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