Figure 1.
Standardized differences in both individual and ZIP Code level covariates at the new ZIP Code comparing movers with change in exposure above the median* to those with change in exposure below the median in weighted and unweighted populations. A, Black movers. B, White movers. *Median change in exposure is −0.9 µg/m3 among blacks and −0.7 µg/m3 among whites.