Table 4.
Influencing variables | P value | OR | 95% Cl |
---|---|---|---|
Elevation (30 m)* | 0·30 | 0·99 | 0·98–1·06 |
Land use types† | 0·03 | 1·67 | 1·06–2·31 |
NDVI‡ | 0·73 | 2·54 | 0·32–5·17 |
A continuous variable with the minimum interval of 30 m.
Five kinds of land use types are rainfed cropland, irrigated cropland, orchard, shrubland and forest.
Normalized difference vegetation index.