"Advocates for Each Other": The creation and evaluation of a pragmatic peer navigation program for black patients in primary care with uncontrolled hypertension.

ABSTRACT

BACKGROUND: Black individuals in the U.S. and in our primary care clinic experience worse control of blood pressure compared to White individuals. OBJECTIVE: To address this inequity, our objectives were to (1) elicit from patients and community members their ideas for barriers and facilitators to blood pressure control; and (2) use their input to design and pilot a navigator program for Black patients in our clinic to improve blood pressure management. PATIENT INVOLVEMENT We conducted three focus groups with 27 individuals and identified two main areas of need that informed the peer navigator program (1) community-based services and (2) skill development for hypertension self-management. METHODS: Peer navigators from the Black community called participants at least monthly for 6-12 months and connected them with medical and social services. Available blood pressure data was used as the primary outcome to measure change pre- to post-peer navigation program. RESULTS: Among 499 eligible patients in the clinic, 53 (10.6%) enrolled in the peer navigation program. For those with baseline and follow-up blood pressure data, mean systolic blood pressure decreased from 155.9 to 142.4 mmHg after the program (change of -13.6, 95% CI -24.7 to -2.4) for the enrolled patients (N = 17) and from 139.1 to 137.1 mmHg (change of -2.5, -4.8 to 1.9) for unenrolled, comparison patients (N = 183). DISCUSSION: This community-informed peer navigation program to support Black patients with uncontrolled hypertension led to a 11.1 mmHg greater decrease in average systolic blood pressure for enrolled patients compared to the comparison group. However, the enrolled group started with a significantly higher systolic blood pressure at baseline with more room for improvement. While this study was conducted during the pandemic years, low uptake of this program needs to be addressed in expansion efforts. PRACTICAL VALUE Clinic-based peer navigation for hypertension improved blood pressure control and was highly regarded by the subset of enrolled patients. Increasing uptake and sustainable funding for non-billable clinic roles remain areas of need. FUNDING: Grant from the Pacific Hospital Preservation & Development Authority.