Table 1.

Different townships and counties stratified according to HCV SMR

SMR	Test results (township number)	Townships (sorting by prevalence of anti-HCV in descending order)
≧2 (12 townships)	Significantly higher (12)	Lucao (Chiayi),a Mailiao (Yunlin),a Guantian (Tainan),a Lioujia (Tainan),a Zihguan (Kaohsiung),a Jhuci (Chiayi),a Siluo (Yunlin),a Jhongpu (Chiayi),a Liouying (Tainan),a Gukeng (Yunlin),a Singang (Chiayi),a Houli (Taichung)a
	Not significantly different (0)	None
1.5≦SMR<2 (30 townships)	Significantly higher (13)	Siaying (Tainan),a Yuanli (Miaoli),a Dongshih (Taichung),a Yijhu (Chiayi),a Lunbei (Yunlin),a Minsyong (Chiayi),a Sinying (Tainan),a Chiayi City,a Yanshuei (Tainan),a Alian (Kaohsiung),a West district (Taichung City), Caotun (Nantou), Sihu (Changhua)
	Not significantly different (17)	Fangshan (Pingtong),a Sanyi (Miaoli),a Jiasian (Kaohsiung),a Dapi (Yunlin),a Baojhong (Yunlin),a Sikou (Chiayi), Yuanchang (Yunlin),a Sinyi (Keelung City),a Dalin (Chiayi),a Taibao (Chiayi),a Taisi (Yunlin),a Rueifang (Taipei), Anping (Tainan City), Jiangjyun (Tainan), Gueiren (Tainan), Mingjian (Nantou), Linluo (Pingtung)
1≦SMR<1.5 (69 townships)	Significantly higher (0)	None
	Not significantly different (69)	Not listed
0.5≦SMR<1 (114 townships)	Significantly lower (6)	Changhua (Changhua), Siaogang (Kaohsiung City), Wanhua (Taipei City), Situn (Taichung City), Pingtung (Pingtung), Banciao (Taipei)
	Not significantly different (108)	Not listed
<0.5 (38 townships)	Significantly lower (16)	Jhonghe (Taipei), Wandan (Pingtung), Wurih (Taichung), Neipu (Pingtung), Jhongli (Taoyuan), Huatan (Changhua), Lujhou (Taipei), Hemei (Changhua), Shanhua (Tainan),b Sinhua (Tainan),b Sinshih (Tainan),b Yuli (Hualien),b Hengchun (Pingtung),b Gaoshu (Pingtung),b Gongguan (Miaoli),b Nuannuan (Keelung City)b
	Not significantly different (22)	Not listed
Sample size <5	93 townships	Not listed

^aPrevalence of anti-HCV in 33 townships was more than 50%

^bPrevalence of anti-HCV was 0%