Spatial statistical and environmental correlation analyses on vector density, vector infection index and Japanese encephalitis cases at the village and pigsty levels in Liyi County, Shanxi Province, China

Table 2 Linear regression model analysis on the vector density and geo-environmental features

Factor	Pearson correlation		Coefficient analysis			t	Sig	ANOVA model
	Correlation	Sig	Coefficients	95% confidence intervals				F	Sig
	Correlation	Sig	Coefficients	Lower limit	Upper limit			F	Sig
(Constant)	Na	Na	1.392	0.612	2.172	3.721	0.001	6.06	0.009
Pig number	0.469	0.024	0.013	0.00023	0.025	2.13	0.046
Cotton area	0.486	0.019	4.35e−006	0.00 e−006	8.0e−006	2.25	0.036

ISSN: 1756-3305