Table 4. Parameter estimates from geostatistical model for snakebite incidence.

Variable	Estimate	Std. Error	Z value	P value
(Intercept)	-6.6239	0.13456	-49.2246	<0.001
Elevation	0.0032	0.00079	4.0771	<0.001
Elevation more than 160 meters	-0.0046	0.00085	-5.4389	<0.001
Climate zone 2 (Intermediate)	0.2225	0.10564	2.1068	0.035
Climate zone 3 (Wet)	0.5586	0.11763	4.7492	<0.001
Population density	-0.0002	0.00002	-10.8101	<0.001
Percentage of agricultural workers	7.2235	1.33660	5.4043	<0.001
Percentage of agricultural workers > 9%	-6.4166	1.40170	-4.5778	<0.001
Covariance parameters Matern function (kappa = 0.5)
sigma2	0.189	0.8778
Phi	0.091	2.5249
tau2	0.304	1.5944