Hypertension prevalence varies widely among ethnic groups in rural China, with generally inadequate treatment and control rates across both minority and majority populations.
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Ethnic disparities signal need for targeted screening in rural China; hypothesis-generating for etiology and interventions, does not support practice change.
BACKGROUND: Hypertension (HTN) is a growing cause of morbidity and mortality among rural Chinese. While HTN has been studied in various regions of China, little is known about HTN among ethnic minorities in rural China. METHODS: A total of 36 villages were randomly selected from Yunnan province, China. From these villages, a total of 1,676 subjects from 10 ethnic minorities and the Han ethnic majority were selected for interview and blood pressure (BP) measurement. From each village, 50-80 men and women between the ages of 50 and 70 years were randomly selected. HTN prevalence, treatment, and control rates of HTN were evaluated in these 11 ethnic groups. RESULTS: After controlling for age, gender, body mass index (BMI), smoking, alcohol, and monosodium glutamate intake, prevalence of HTN varied between 25% in the Hani minority and 64% in the Tibetan minority (P < 0.001). Treatment rates varied between 0% in the Hani minority and 41% in the Tibetan minority (P = 0.006). Control rates varied between 0% in the Hani minority and 17% in the Tibetan minority (P = 0.28). Prevalence, treatment, and control rates in the Han ethnic group were 35, 22, and 12%, respectively. CONCLUSIONS: The prevalence of HTN varies widely among China's ethnic groups. Treatment and control rates of HTN also vary and are inadequate in the minority ethnic groups as well as in the Han majority.
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Yang et al. (2011) studied this question.
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