Table 2. Estimates of overall risk of schistosomiasis japonicum and the magnitude of correlated and uncorrelated heterogeneities^*.

Year	Mean	Std (CH)	Std(UH)
1999	0.34(0.17,0.55)	1.67(0.02,7.49)	3.33(2.48,4.10)
2000	0.28(0.11,0.55)	3.65(0.03,6.56)	2.75(1.60,4.05)
2001	0.30(0.15,0.57)	3.64(2.58,4.80)	1.77(0.96,2.87)
2007	0.18(0.11,0.35)	2.98(0.02,6.90)	2.97(2.04,4.13)
2008	0.14(0.04,0.43)	5.91(1.06,7.79)	3.22(2.31,4.79)

*The values in the parentheses are the 95% CI of the estimates.