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Overall, 42% of the entire study population lived in block groups where at least half the population subgroup lived in blocks with no tree canopy in the NLCD, 62% lived in block groups where at least half the population subgroup lived in blocks with [greater than or equal to] 50% impervious surface, and 36% lived in block groups that met both HRRLC criteria.
Residents of metropolitan areas with a [D.sub.m] between 0.50 and 0.60 were the most likely to have HRRLC characteristics (Table 1).
In the baseline models, the association between HRRLC and segregation was largest among whites (12% increased prevalence per 0.10 increase in [D.sub.m]; 95% CI: 10%, 13%), and was slightly negative among blacks.
Specifically, in most cases HRRLC increased monotonically with increasing segregation in each race/ethnicity group, though there was some heterogeneity depending on which cut-point schema is used.
At a national scale, we found racial/ethnic disparities in HRRLC characteristics.
Adjusting for home ownership and household poverty did not substantially alter associations between HRRLC and race/ethnicity or metropolitan area segregation levels within each racial/ethnic group.
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- HRR test