Skip to main content
. 2020 Nov 2;104(1):151–165. doi: 10.4269/ajtmh.20-0416

Table 1.

List of covariates available for analysis by scale study area.

Covariate Information Model Name
Designation Description Notation Ultra-fine-scale Local County
Abiotic Weather Temperature Average temperature current week tempc X X
Average temperature of one week before templag1 X X X
Average temperature of two weeks before templag2 X X X
Average temperature of three weeks before templag3 X X X
Average temperature of four weeks before templag4 X X X
Mean January temperature Jantemp X X X
Precipitation Average precipitation current week preci X X
Average precipitation of one week before precilag1 X X X
Average precipitation of two weeks before precilag2 X X X
Average precipitation of three weeks before precilag3 X X X
Average precipitation of four weeks before precilag4 X X X
Biotic Environmental Land Cover Proportion of developed open space dospct X X X
Proportion of developed low intensity dlipct X X X
Proportion of developed medium intensity dmipct X X X
Proportion of developed high intensity dhipct X X X
Proportion of deciduous forests dfpct X X X
Proportion of evergreen forests efpct X X X
Proportion of mixed forests mfpct X X X
Proportion of barren land blpct X X X
Proportion of shrubs shrubspct X X X
Proportion of grassland glandpct X X X
Proportion of pasture pasturepct X X X
Proportion of cultivated land clpct X X X
Proportion of woody wetlands wwpct X X X
Proportion of herbaceous wetlands hwpct X X X
Proportion of total forest ftotpct X X
Proportion of total wetlands wtotpct X X
Proportion of open water owpct X X X
Normalized Difference Vegetation Index NDVI X X
Biological Minimum Infection Rate (MIR) MIR one week before mirlag1 X X X
MIR two weeks before mirlag2 X X X
MIR three weeks before mirlag3 X X X
MIR four weeks before mirlag4 X X X
Average MIR current week MIRmean X X
Difference in weekly average MIR from 12-year average MIRdiff X X
Vector Index current week Vector Index X X
Vector Index one week before VIlag1 X X
Vector Index two weeks before VIlag2 X X
Mosquito Abundance
Vector Index three weeks before VIlag3 X X
Vector Index four weeks before VIlag4 X X
Light and gravid trap collection mean current week Trap_Mean X X
Light and gravid trap collection mean one week before Trap_Meanlag1 X X
Light and gravid trap collection mean two weeks before Trap_Meanlag2 X X
Light and gravid trap collection mean three weeks before Trap_Meanlag3 X X
Light and gravid trap collection mean four weeks before Trap_Meanlag4 X X
Mosquito Biting Rates (HLC) Mosquitoes per visit mosquitoes per visit X
Culex spp. per visit Cx per visit X
Biotic Anthropogenic Socio-demographic Percentage of White population whitepct X X X
Percentage of African American population blackpct X X X
Percentage of Asian population asianpct X X X
Percentage of Hispanic population hispanicpct X X X
Median household income Income X X X
Percentage of housing constructed before WWII hpctpreww X X X
Percentage of housing constructed post WWII (1945-1969) hpctpostww X X X
Percentage of housing constructed from 1970-1989 hpct7089 X X X
Percentage of housing constructed in 1990 or later hpctpost90 X X X
Land change & manipulation Catch basin density CB X X
Total area of building structures bldg_footprint_area_total X
Average area of building structures bldg_footprint_area_avg X
Total perimeter of building structures Building_Footprint_peri_total X
Average perimeter of building structures Building_Footprint_peri_avg X
Total area of residential lot Residential_lot_area_total X
Average area of residential lot Residential_lot_area_avg X
Total perimeter of residential lot Residential_lot_peri_total X
Average perimeter of residential lot Residential_lot_peri_avg X
Ratio of total building area by total lot area total_bldg_area/total_lot_area X
Ratio of average building area by average lot area avg_bldg_area/avg_lot_area X
Ratio of total building perimeter by total lot area total_bldg_peri/total_lot_area X
Ratio of average building perimeter by average lot area avg_bldg_peri/avg_lot_area X
Number of buildings buildings X
Building density per mi.2 bldg_density X
Number of residents per building persons_per_bldg X
Human population
Total human population totpop X X X
Mean light pollution lightpol X X
Activity Observations Senior Citizen Observations per visit Senior_obs per visit X
Adults Observations per visist Adults_obs per visit X
Children Observations per visit Child_obs per visit X
Male Observations per visit Male_obs per visit X
Female Observations per visit Female_obs per visit X
Total Observations per visit Total_obs per visit X
N/A Other Year yr X X X
Hexagon Designation hexid X X X
Total Covariates Evaluated 82 59 40