Table 1.

Prevalence of prehypertension and hypertension by sex and age group

Age (years)	n	Optimal BP (%)	Prehypertension (%)	Hypertension (%)
Male
35–49	970	48.1	34.4	17.4
50–64	996	27.1	48.0	24.9
≥65	708	20.6	49.6	29.8
Total	2037	33.0	43.5	23.5
Female
35–49	758	59.8	26.5	12.9
50–64	797	42.3	36.3	22.2
≥65	482	35.1	34.4	30.5
Total	2674	47.1	32.2	20.7
All
35–49	1728	53.2	31.0	15.5
50–64	1793	33.9	42.8	23.7
≥65	1190	26.5	43.4	30.1
Total	4711	39.1	38.6	22.3

BP, blood pressure.