Driving the news: The recently released study , conducted between 2018 and 2020 and published in September by JAMA Pediatrics , is believed to be the first national analysis into the association between lead exposure and individual- and community-level factors, Axios' Marisa Fernandez writes .
Researchers analyzed blood lead tests that Quest Diagnostics administered to 1.14 million U.S. children between October 2018 and February 2020.
By the numbers: The study shows 1.4% of Colorado children had blood lead levels of 5 micrograms per deciliter or greater, a standard the CDC uses to help identify elevated cases.
According to the state, about 1.8% of children in Denver Water's coverage area ages 6 and younger tested positive for elevated blood levels, the Denver Post reports .
Between the lines: Children from predominantly Black or Hispanic ZIP codes were disproportionately affected, compared with those in predominantly white ZIP codes.
Kids from areas with pre-1950s housing had significantly higher levels.
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