A Virtual Cardiometabolic Health Program Among African Immigrants in the US

Black people, including immigrants, in the US bear a disproportionate burden of cardiometabolic conditions, such as hypertension and type 2 diabetes. Despite effective interventions to improve cardiometabolic health (CMH), these populations continue to experience poorer outcomes compared with their non-Hispanic White counterparts.Among non-Hispanic Black adults, including immigrants, more than half (56%) have hypertension, a significantly higher prevalence than the 48% observed among non-Hispanic White adults. Similarly, 12.7% of non-Hispanic Black individuals have type 2 diabetes, compared with 11.0% of non-Hispanic White adults, with a substantial proportion remaining undiagnosed.

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The Afro-DPP was a pilot cluster-randomized, parallel-group, unmasked clinical trial conducted from January 1, 2022, to July 31, 2023, to evaluate the effectiveness of a culturally tailored, multicomponent virtual CMH intervention among African immigrants with CMH risk factors. The institutional review board of The Johns Hopkins University approved the trial protocol and statistical analysis plan (Supplement 1). The study followed the Consolidated Standards of Reporting Trials (CONSORT) guidelines (eFigure 1 in Supplement 2), and an independent data and safety monitoring board provided oversight. All participants provided written informed consent.

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