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. 2020 Apr 7;14(4):e0008179. doi: 10.1371/journal.pntd.0008179

Table 2. Potential environmental predictors included in models of Kyasanur Forest Disease distribution.

Category of predictor Predictor name(abbreviation) Description / units Mean and s.d. across the region (1 km) Range across the region (1 km)
TOPOGRAPHY Elevation (elev) mean elevation (m. a. s. l.) 559 ± 190 2–1224
Slope (slope) mean slope (degree) 4.5 ± 3.7 0–32.1
LANDSCAPE CHANGE Area of forest loss proportional area of cell classified as forest lost during 2000–2014 1.1 ± 2.6 0–43
LANDSCAPE Forest type diversity diversity of forest types(Shannon-Weaver Index accounting for % area per cell per forest type) 0.77 ± 0.32 0–1.37
Area of dry deciduous proportional area of dry deciduous forest per cell 13 ± 16 0–100
Area of wet deciduous proportional area of moist deciduous forest per cell 20 ± 22 0–100
Area of wet evergreen proportional area of wet evergreen forest per cell 17 ± 24 0–100
Area of plantation proportional area of plantation per cell 15 ± 13 0–90
Area of water bodies proportional area of waterbody per cell 4 ± 14 0–100
Area of agricultural or fallow land proportional area agricultural or fallow land 25 ± 24 0–96
HOSTS Buffalo density buffalo density in mean head per km per cell 17.5 ± 17.0 0.0–245.8
Cattle density indigenous cattle density in mean head per km per cell 60.0 ± 40.5 0.1–904.0
Human population density human population size in mean head per km per cell 204.7 ± 528.8 0–7087.8
PUBLIC HEALTH Proximity to primary health centre (PHC_proximity) proximity to primary health centrewhere 1 = Primary Health Centre (PHC) within village, 2 = PHC > 5 km, 3 = PHC 5–10 km, 4 = PHC > 10 km from village 3* 1–4
No. of medics per head of population (Nmedics) no. of medics per head of population 0.0006 ± 0.0018 0–0.04

†See S3 File for the sources and processing methods for these environmental predictors.

*modal value.