Table 2.

Model estimations for the human prevalence of schistosomiasis in Xingzi, Jiangxi, China, 2004–2011^*

Year	Distance to snail habitat	Distance to water body	Spatial error coefficient	Likelihood ratio test
2004	−0.92 × 10–2 (0.27)	−0.70 × 10–2 (0.92)		0.81 × 10–3 (0.98)
2005	−0.56 × 10–2 (< 0.01)	−0.18 × 10–2 (0.16)		0.68 (0.41)
2006	−0.15 × 10–2 (< 0.01)	−0.03 × 10–2 (0.78)		0.45 (0.52)
2007	−0.44 × 10–2 (0.02)	−0.10 × 10–2 (0.63)		0.02 (0.88)
2008	−0.32 × 10–2 (0.01)	0.26 × 10–2 (0.36)		2.06 (0.15)
2009	−0.91 × 10–2 (< 0.01)	−0.89 × 10–2 (0.86)		3.41 (0.06)
2010	−0.30 × 10–2 (< 0.01)	−0.41 × 10–2 (0.81)		0.03 (0.86)
2011	−0.41 × 10–2 (0.01)	−0.12 × 10–2 (0.72)	0.64 (< 0.01)	8.61 (< 0.01)

^*Values in parentheses are corresponding P values. Coefficients in bold are significant at the 5% level. An ordinary least square regression model was used to fit data for 2004–2010, and a spatial error model was used to fit data for 2011.