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FIGURE 1—— Regional differences in incidence rate ratios for pediatric tuberculosis and ecologic variables, by race/ethnicity (a) and sociodemographic variables (b).

Note. Incidence rate ratios reflect the change in the incidence rate that occurs when the area-based measure increases by 1 standard deviation. Standardized values for median income are inverted. Incidence rate ratio shows change for a 1-standard-deviation decrease in median income.