Table 5.

Age distribution of hypertensive and non-hypertensive individuals in a representative sample of participants in the 2006 Japan National Health and Nutrition Survey

Age (years)	Total	Hypertensive		Non-hypertensive
	N	N	%	N	%
20–29	297	10	3.4	287	96.7
30–39	614	60	9.8	554	90.2
40–49	593	130	21.9	463	78.1
50–59	907	428	47.2	479	52.8
60–69	972	597	61.4	375	38.5
≥70	1135	821	72.3	314	27.6
Total	4518	2046	45.3	2472	54.7