ArticleContemporary clinical trials2025
A study protocol to engage religious leaders to reduce blood pressure in Tanzanian communities: A cluster randomized trial.
Article in Contemporary clinical trials, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundMost people with hypertension in Sub-Saharan Africa are unaware of their status. Low perceived need for hypertension screening, low trust in biomedical health care, unhealthy norms for diet and exercise, and prioritization of spiritual over physical health are key barriers to blood pressure (BP) control in Tanzanian communities. We seek to determine whether engaging religious leaders to screen for hypertension and educate communities on cardiovascular health can lead to a sustained community BP reduction.
methodsThis trial aims to determine the efficacy of an intervention that engages religious leaders to reduce BP in Tanzanian communities. After refinement of the intervention following pilot testing, a hybrid type I randomized control trial will be conducted across 20 rural communities (10 intervention and 10 control communities). The intervention will consist of educational sessions for religious leaders, equipping them to provide community cardiovascular health teachings, and BP screening organized jointly by religious leaders and health care workers. We will measure the reduction in mean community BP and changes in hypertension awareness and treatment, diet, physical activity, body mass index, and waist circumference after one year. Key elements that contribute to the intervention's implementation and effectiveness to strengthen its adoption and broader use during and after the intervention up to 24 months will be evaluated. DISCUSSION: Community-level barriers to BP control inhibit awareness and treatment of hypertension in Tanzania. Through innovative partnerships with trusted religious leaders, we seek to study an intervention with the potential to reduce BP and improve overall community health.
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