Table 2 Summary of static variable testing, standardization, model ranking and weight calculations.
From: Avian GIS models signal human risk for West Nile virus in Mississippi
Variable | Relation to ecology of WNV vector mosquitoes | Mean for zip codes with | T-test significance | WNV risk level | Variable | ||
|---|---|---|---|---|---|---|---|
|  |  | WNV bird occurrence | no WNV bird occurrence | (p-value) | 1 – low risk 10 – high risk | Rank | Weight |
Road density | Breeding sites along roads | 1.7568 | 1.1550 | .001 | High rd. 10 Low rd. 1 | 1 | 0.4 |
Stream density | Water as habitat | 1.1200 | 1.1868 | .010 | High sd. 1 Low sd. 10 | 2 | 0.3 |
Slope percent | Aspect of water outflow rate | 7.1416 | 7.9886 | .028 | Gentle sl. 10 Steep sl. 1 | 3 | 0.2 |
NDVI vegetation | Vegetation as resting and breeding sites | 164.6797 | 160.9131 | .251 | High NDVI 10 Low NDVI 1 | 4 | 0.1 |