Covariates | Number of studies | Percentage (%) | |
---|---|---|---|
Climatic factors | |||
 | Temperature | 97 | 55.1 |
 |  Mean temperature | 78 | 44.3 |
 |  Min temperature | 21 | 11.9 |
 |  Max temperature | 16 | 9.1 |
 | Rainfall | 78 | 44.3 |
 |  Total rainfall | 42 | 23.9 |
 |  Mean rainfall | 23 | 13.1 |
 |  Max rainfall | 6 | 3.4 |
 | Humidity | 25 | 14.2 |
 | Temperature suitability | 22 | 12.5 |
 | Bioclimatic variables | 6 | 3.4 |
 | El Niño Southern Oscillation Index | 4 | 2.3 |
 | Soil moisture (water stress/wetness) | 4 | 2.3 |
Demographic factors | |||
 | Population density | 43 | 24.4 |
 | Age | 25 | 14.2 |
 | Air travel | 15 | 8.5 |
 | Human daily mobility | 13 | 7.4 |
 | Vaccination coverage | 7 | 4.0 |
 | Sex | 7 | 4.0 |
Socio-economic factors | |||
 | Gross domestic product | 15 | 8.5 |
 | Household income | 11 | 6.3 |
 | Education/literacy rate | 6 | 3.4 |
 | Occupation and employment status | 5 | 2.8 |
 | Socio-economic strata | 6 | 3.4 |
Ecology | |||
 | Non-human primates species | 6 | 3.4 |
 | Location of breeding sites | 4 | 2.3 |
 | Breteau index | 3 | 1.7 |
 | Adult mosquito abundance | 2 | 1.1 |
Environmental factors | |||
 | Vegetation | 27 | 15.3 |
 | Elevation/altitude | 25 | 14.2 |
 | Urbanisation | 22 | 12.5 |
 | Distance to roads, road density | 14 | 8.0 |
 | Land use/land cover | 13 | 7.4 |
 | Distance to water bodies/river | 9 | 5.1 |
Spatiotemporal incidence | |||
 | Case count across time periods and neighbouring regions | 18 | 10.2 |