Table 4. Univariable analysis results for dog rabies cases in South Africa between 1998 and 2002 excluding the Kruger National Park.

Variables	Estimate	Standard error	p-value
Dog population	0.002	0.039	0.959
Human footprint	0.035	0.100	0.727
Densely-populated area	0.000	0.001	0.435
PC1	0.211	0.170	0.216
PC2	-0.452	0.22	0.043
Temperature	0.056	0.089	0.530
Precipitation	0.054	0.025	0.034

PC: Principal component