Table 4.
Effect of built environmental variables on dengue-related risk.
| Types | Variables | Positive | Negative | Nonlinear | Unknown |
|---|---|---|---|---|---|
| Land Cover | Built-up/ impervious area |
D7, D8 *, D17, D18 *; | |||
| A2, A5, A6 | A1 (asphalt) | A6 * | |||
| NDVI (EVI) | D17; A5, A7 |
D8 *, D9, D11, D13 | D7 (warm season); A6 * | D15 | |
| Trees density/canopy | D14 | A6 * | |||
| NDWI | A2 | A4 * | A6 * | ||
| Land Use | Residential use | D11, D13; A4 * |
|||
| Open space use | A4 * | ||||
| Greenings | A3, A4 | A1, A6 * | |||
| Vacant use | A2 | ||||
| Unplanned area | D13; A4 | ||||
| Morphology | Property size | A8 | |||
| Landscape | Proximity to parks/managed vegetation | D3 * | |||
| Proximity to water bodies/rivers | D13; A5 |
D14; | D3 * | ||
| Road | Road density | D8 *, D11, D7, D18 | D3 * | ||
| Road length | A8 | ||||
| Establishment | Proximity to specific establishment | D14 (tires and plant nurseries); A5 (cemeteries, tires) |
D6 (hospital) |
D2 (species), D3 * (workplaces) |
|
| Infrastructure | Container density | D19 (types) | |||
| Water tanks | A8 | ||||
| Drain network | D13 | ||||
| Topography | Flow accumulation | A6 * | |||
| Elevation | D13 | D3; A3 | A6 * | ||
| Slope | A6 * |
* Aedes albopictus.