From: Assessment of malaria risk in Southeast Asia: a systematic review
Environmental factors | Number of studies | References |
---|---|---|
Types of plantations or crops | 6 | |
Hilly or flat areas | 5 | |
Households or forest areas | 3 | |
Distance to forest or river, and the coverage of forest | 6 | |
Others | 5 | Â |
 Rice yield per square kilometer (RYPSK) | 1 | [23] |
 Enhanced Vegetation Index (EVI) | 1 | [30] |
 Normalized difference vegetation index (NDVI) | 1 | [21] |
 Normalized difference water index (NDWI) | 1 | [21] |
 Topographic wetness index (TWI) | 1 | [21] |