Spatial distribution and determinants of health loss from Kashin-Beck disease in Bin County, Shaanxi Province, China

Table 2 Spearman’s correlation coefficients for YLDs, YLD rate, prevalence and environmental factors

	Natural environmental factors				Socio-economic factors
	Soil Se	Wheat Se	Available Se^a	Organic Se	Poverty	Education
YLDs	0.153	−0.008	−0.052	0.216^b	0.203	0.223
YLD/1000	0.150	0.064	−0.070	0.217^b	0.267^b	0.220
Prevalence	0.140	0.089	−0.060	0.213	0.264^b	0.213

^aAvailable Se represents water-soluble and exchangeable fractions of Se in soil
^bindicates significant (p < 0.05)

ISSN: 1471-2458