[Epidemiological study of hypertension among farmers of Jing Zhou district].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000383:Agriculture; D002681:China; D005260:Female; D006801:Humans; D006973:Hypertension / Q000150:complications / Q000453:epidemiology* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D014881:Water Supply / Q000032:analysis