China Rural Hypertension Control (CRHC) Project is a cluster randomized trial aims to test the effectiveness of a standardized protocol-based treatment program on hypertension control in rural China.
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Inclusion Criteria: * Man and women aged 40 years or older. * Mean systolic blood pressure ≥140 mm Hg and/or diastolic blood pressure ≥90 mm Hg; and/or use of antihypertensive medications.Mean blood pressure is based on three measurements at two separate days at least two days apart and within one month. * Permanent residents in the study villages. * Do not plan to emigrate in the next 2 years. Exclusion Criteria: * Unable to provide consent. * Treated for malignant tumor and life expectancy\<2 years judged by study physician. * Pregnancy, currently trying to become pregnant, or of child-bearing potential and not using birth control. * Diagnosted psychiatric patients.