Table 1 . Baseline Characteristics of the study population, Iran, 2013 .

		Total	Normal BP a	Prehypertension	Hypertension
		N=2036	N=696	N=608	N=726
Gender (Female %)		42%	61%	26%	35%
Age (years)	Mean ± SD	53.4±12.86	48.3±11.74	51.7±12.32	59.7±11.96
	25-50 (%)	56.2%	50.4%	61%	23.4%
	51-64 (%)	31.1%	34%	28.7%	41.3%
	>65 (%)	12.7%	15.6%	10.3%	35.2%
BMI c (Kg/m2)		27.5±4.11	26.9±4.18	27.6±3.72	27.9±4.31
Education	Illiterate	1%	1%	1%	2%
	Educated	66%	63%	64%	70%
	Academic education	33%	36%	35%	28%

^aBP: Blood Pressure

^cBMI: Body Mass Index