Fig. 4
From: Spatial and temporal disparities in air pollution exposure at Italian schools
Relationship between school SES and air pollution by macro-areas. This shows the relationship between the deciles of real estate value computed at the provincial level and the Log of PM2.5 by macro-areas. The model includes control variables described in Eq. (1) and province FE. Standard errors clustered at the provincial level. The 1st decile is set at the reference level. 95% confidence intervals