Table 1.

Distribution (% (Standard Error)) of Blood Pressure Levels Among Persons With Hypertension and Persons With Treated Hypertension, by Age Group, in US Adults Aged ≥25 Years, National Health and Nutrition Examination Survey, 1999–2016

Age Group (years) and Blood Pressure, mm Hg	Time Period			χ2P Value
	1999–2004 (P1)	2005–2010 (P2)	2011–2016 (P3)
				P2 vs. P1	P3 vs. P2	P3 vs. P1
Persons With Hypertension
25–44				0.23	0.14	<0.001
<130/80	15.3 (1.8)	21.2 (1.9)	28.4 (2.2)
140/90	18.2 (2.2)	17.4 (1.9)	16.2 (1.8)
150/90	18.2 (2.2)	18.8 (2.2)	16.8 (1.8)
≥150/90	48.2 (3.3)	42.7 (2.9)	38.6 (2.3)
45–64				<0.001	0.13	<0.001
<130/80	22.2 (1.2)	32.3 (1.4)	37.2 (1.8)
140/90	17.1 (1.1)	19.5 (1.1)	18.4 (1.3)
150/90	19.4 (1.4)	19.5 (1.2)	17.1 (1.4)
≥150/90	41.3 (1.8)	28.8 (1.2)	27.2 (1.4)
≥65				<0.001	0.65	<0.001
<130/80	17.2 (1.1)	31.3 (1.1)	31.6 (1.5)
140/90	14.3 (0.8)	18.0 (0.9)	18.3 (1.1)
150/90	21.1 (0.9)	20.0 (1.0)	21.4 (1.1)
≥150/90	47.2 (1.5)	30.7 (1.0)	28.7 (1.4)
Persons With Treated Hypertension
25–44				0.34	0.14	0.002
<130/80	33.1 (3.2)	41.3 (2.7)	50.2 (3.3)
140/90	39.5 (3.4)	34.0 (3.1)	28.6 (2.9)
150/90	7.3 (1.8)	6.7 (1.6)	4.1 (1.1)
≥150/90	20.0 (2.9)	18.0 (2.1)	17.1 (1.9)
45–64				<0.001	0.03	<0.001
<130/80	35.3 (1.6)	44.1 (1.6)	49.9 (2.0)
140/90	27.2 (1.4)	26.6 (1.5)	24.7 (1.6)
150/90	11.1 (1.1)	13.0 (0.8)	9.3 (1.1)
≥150/90	26.3 (1.5)	16.3 (1.2)	16.1 (1.1)
≥65				<0.001	0.83	<0.001
<130/80	25.8 (1.5)	39.2 (1.3)	38.5 (1.7)
140/90	21.4 (1.1)	22.5 (1.1)	22.3 (1.3)
150/90	15.6 (0.9)	14.7 (0.8)	16.1 (1.1)
≥150/90	37.2 (1.4)	23.6 (0.9)	23.1 (1.3)

Abbreviation: P, period.