Table 4.

Trends in Hypertension Prevalence by Risk Factor Among Adults Aged 18 Years and Older With a Primary Healthcare Visit Within the Past Year, NHANES, 1999–2012

	Prevalence During Two‐Year NHANES Cyclea							Trend
	99–00	01–02	03–04	05–06	07–08	09–10	11–12	P‐Value
Total	32.2	30.6	34.8	33.3	33.6	33.4	32.6	0.39
Men	32.0	28.6	36.3	33.8	34.9	34.2	33.3	0.15
Women	32.3	32.4	33.5	32.8	32.5	32.7	32.0	0.83
Age, y
18–44	10.7	8.4	11.1	11.1	11.8	9.7	10.7	0.59
45–64	39.2	38.2	46.0	42.5	42.6	43.9	42.5	0.16
65–74	66.8	67.5	69.0	68.6	66.4	67.8	61.6	0.20
≥75	78.8	76.1	76.4	73.1	75.6	77.8	76.3	0.73
Race/ethnicity
Non‐Hispanic white	30.3	28.9	33.8	31.6	33.1	31.8	31.0	0.38
Non‐Hispanic black	44.6	47.5	45.4	46.8	44.5	46.1	45.9	0.99
Hispanicb	34.4	24.7	32.4	26.5	30.9	31.3	32.1	0.64
Otherc	31.7	36.2	31.9	36.2	25.2	37.5	31.0	0.85
Comorbidities
Obesity
Yes	44.8	40.5	46.3	43.7	43.5	45.0	43.0	0.89
No	26.3	25.8	29.0	27.5	28.2	26.1	26.7	0.88
Diabetes
Yes	53.2	49.1	52.7	60.6	55.0	60.6	58.8	0.10
No	31.0	29.2	33.0	31.2	31.4	30.9	29.8	0.81
CKD
Yes	46.1	47.8	49.7	51.3	47.2	48.3	46.4	0.68
No	29.3	28.0	32.0	30.0	30.7	31.0	29.6	0.46
Number of comorbiditiesd
None	23.9	23.2	26.4	24.2	24.8	23.4	23.8	0.72
1	38.9	36.6	40.7	37.6	39.7	39.2	36.8	0.88
2–3	58.8	55.7	58.6	62.1	53.6	63.4	60.4	0.25

Abbreviations: CKD, chronic kidney disease; NHANES, National Health and Nutrition Examination Survey. ^aUnadjusted prevalence by NHANES cycle. ^bRepresents just Mexican Americans for 1999–2006 and all Hispanics from 2007–2012. ^cIncludes non–Mexican American Hispanics from 1999–2006. ^dComorbidities include obesity, diagnosed diabetes, and CKD.