Fig. 2
From: Air pollution exposure and head and neck cancer incidence
Adjusted PM2.5 pollution effect on Head and Neck Cancer incidence and by subsite. The model adjusted for percentage of binge drinking, daily smoking, female, race and ethnicity, median income, and population. Lag: years. Blue denotes statistical significance and orange denotes insignificant effect. By “statistically significant” it is meant that the PM2.5 is statistically significant at 5% level of significance (p value < 0.05).
