Table 1 Candidate factors, considered in both the Endemic Regions and Contiguous US models, along with their units, data sources, and spatial resolution
From: Factors associated with Anaplasma spp. seroprevalence among dogs in the United States
Category | Factor(s) | Scale | Source |
|---|---|---|---|
Climate | Annual temperature (F) | Division | National Climate Data Center (NCDC) |
Annual precipitation (in) | Division | NCDC | |
Annual relative humidity (%) | Station | NCDC | |
Geographic | Elevation (ft) | County | |
Percentage forest coverage (%) | County | United States Department of Agriculture (USDA) | |
Percentage surface water coverage (%) | County | US Census Bureau | |
Societal | Population density (persons per square mile) | County | US Census Bureau |
Median household income ($) | County | US Census Bureau | |
Prostriate Tick Amplification | Deer/vehicle collisions (probability) | State | State Farm Insurance Company |