BMC Oral Health

Table 1 Age and sex distribution of the Tobishima study participants

From: Behavioral factors to include in guidelines for lifelong oral healthiness: an observational study in Japanese adults

	Study participants				Whole village^a
Age (years)	Male	Female	Total	(%)	Male	Female	Total	(%)
20–29	7	8	15	1.9	339	258	597	16.5
30–39	49	80	129	16.6	233	264	497	13.7
40–49	107	117	224	28.8	372	347	719	19.9
50–59	94	85	179	23.0	357	298	655	18.1
60–69	97	79	176	22.7	265	284	549	15.2
over 70	36	18	54	6.9	229	373	602	16.6
Total	390	387	777	100.0	1795	1824	3619	100.0

a) In July 1998

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ISSN: 1472-6831

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