Decrease in seroprevalence of Hepatitis A after the implementation of nationwide disposable tableware use in Taiwan

Table 1 Seroprevalence Rates of Hepatitis A among Different Subsets of the Study Population

Characteristics		Participants	Seropositive*	Rate (%)	p
All
		11777	2592	22.0
Gender					< 0.001
	Women	6704	1206	18.0
	Men	5073	1386	27.3
Age (year)					< 0.001
	15-19	162	3	1.9
	20-24	2967	108	3.6
	25-29	5461	959	17.6
	30-34	2433	1050	43.2
	35-39	662	405	61.2
	≥40	92	67	72.8
Year of birth					< 0.001
	≤1965	114	84	80.0
	1966	72	48	66.7
	1967	98	62	63.3
	1968	119	84	70.6
	1969	220	122	55.5
	1970	247	139	56.3
	1971	347	191	55.0
	1972	391	181	46.3
	1973	517	222	42.9
	1974	621	238	38.3
	1975	796	287	36.1
	1976	1043	270	25.9
	1977	1095	201	18.4
	1978	1159	167	14.4
	1979	1205	144	12.0
	1980	1063	73	6.9
	1981	951	32	3.4
	1982	694	14	2.0
	1983	413	12	2.9
	1984	330	12	3.6
	1985	191	9	4.7
	1986	91	0	0.0
Birth in or after 1982					< 0.001
	Yes	1719	47	2.7
	No	10058	2545	25.3
Childhood residence area					< 0.001
	Urban	4795	826	17.2
	Rural	6216	1616	26.0

ISSN: 1471-2458