Trends in Blood Pressure Control Among US Adults With Hypertension, 1999-2000 to 2017-2018

Has blood pressure control changed among adults with hypertension over the past 20 years in the US? In this serial cross-sectional study that included 18 262 US adults aged 18 years or older with hypertension, with data weighted to be representative of the US population, the age-adjusted estimated proportion with controlled blood pressure increased from 31.8% in 1999-2000 to 48.5% in 2007-2008, remained stable through 2013-2014 (53.8%), and then declined to 43.7% in 2017-2018.