Individual interventions to improve adherence to pharmaceutical treatment, diet and physical activity among adults with primary hypertension. A systematic review protocol.

Introduction: Hypertension is a chronic disease with 31% worldwide prevalence in adults. It has been associated with non-adherence to therapeutic regime with a negative impact on the prognosis of the disease and healthcare-associated costs. So, it is necessary to identify effective interventions to improve adherence among the afflicted population.