Fig. 1From: Socioeconomic and environmental determinants of asthma prevalence: a cross-sectional study at the U.S. County level using geographically weighted random forestsSpatial distribution of the data at the county level; a) Asthma prevalence (%) b) Poverty (%) c) Minority (%) d) Limited language (%) e) Uninsured (%) f) Obesity prevalence (%) g) Depression prevalence (%) h) Smoking prevalence (%) i) PM2.5 concentration (ug/m3) j) O3 concentration (ppb) k) Mean temperature (°C) l) NDVI (Normalized difference vegetation index).Back to article page