Table 1.

Distribution of the 103 subjects among 1,386 persons (whose hair mercury concentrations were measured) separated by the exposure category.

	0–20 μg/g	20–50 μg/g	50–100 μg/g	>100 μg/g	Total
	(n = 926)	(n = 308)	(n = 91)	(n = 61)	(n = 1386)
Persons who did not consult two medical institutions	901	283	67	26	1277
Subjects in the present study	24 + 1*(2.7%)	24 + 1(8.1%)	21 + 3(26.4%)	34 + 1(57.4%)	103 + 6(7.9%)

^∗Number after the plus sign shows the number of persons younger than 20 years old. Consequently, 103 subjects were included in the present study.

Source: Ministry of Health and Welfare.