Table 3 Environmental factors evaluated from 1996 (Step 1) and 2007 (Step 2) SPOT satellite images and associated with the 1994-97 anopheline aggressiveness.
| Â | 1996 SPOT-4 image (20 m) (Step 1) | 2007 SPOT-5 image (2.5 m degraded to 20 m) (Step 2) | ||||||
|---|---|---|---|---|---|---|---|---|
| Â | Coefficient | 95% IC | p-value | Adjusted R2 | Coefficient | 95% IC | p-value | Adjusted R2 |
Distance to vegetation (per 100 m and square root transformed) | -0.33 | -0.51; -0.15 | 0.0010 | 0.38 | -0.41 | -0.60; -0.21 | 0.0003 | 0.45 |
Built-up area in 300-m radius buffer (per Ha) | -0.04 | -0.06; -0.02 | 0.0005 | 0.42 | -0.06 | -0.07; -0.04 | < 0.0001 | 0.57 |