Fig. 1. Trends in the age-standardized prevalence of hypertension and the participants with anti-hypertensive medication. (A) The age-standardized prevalence of hypertension. (B) The age-standardized prevalence of the participants with anti-hypertensive medication. Standardized to the age structure of the 2005 Korean population. p for trend was determined by logistic regression after setting the KNHANES phase as the continuous variable. KNHANES, Korean National Health and Nutrition Examination Survey.
