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Fig. 1 | Environmental Health

Fig. 1

From: Short term physician visits and medication prescriptions for allergic disease associated with seasonal tree, grass, and weed pollen exposure across the United States

Fig. 1

Location-specific relative risk of prescription medication fills on days when the (same day) pollen concentration is in the ‘high’ category compared to the ‘low’ category.’High’ pollen level is defined by pollen concentrations (grains/m3) – 250 < Tree < 1500; 50 < grass < 100, 100 < weed < 250. Relative risk estimates derived from models with weekly ILI index, air pollution measures (daily PM2.5 and Ozone) and meteorological factors (daily maximum temperature, total precipitation, and average wind speed) as covariates

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Environmental Health

ISSN: 1476-069X