Prevalence of HTN, pre-HTN and normotensive for adults aged 35 to 64 years from 1982 to 2010.

<p>HTN, hypertension; pre-HTN, pre-hypertension; 95% CI, 95% confidence interval.</p>*<p>Age- and sex- adjusted percentages.</p>†<p>Age- adjusted percentages for men or women. Adjustment was conducted with the 2000 Chinese National Census population by the direct method.