[Hypertension risk factors and epidemiological study in the countryside]

This paper reported the results of a matched (1:2) case-control study of 218 pairs on Essential Hypertension in the countryside of Sichuan Province in 1989. Conditional Logistic regression technique was used in data analysis. It was showed that Essential Hypertension and borderline Hypertension was associated with heart rate, family history of Hypertension, environmental noise, QI factors, while borderline Hypertension was associated with smoking, too. The association of Essential Hypertension with smoking and drinking has not been found. Heart rate is the test parameter necessary for blood pressure research.