By Norm Roulet, 21 October, 2024 Demographic categories associated with Detectable and Elevated Blood Lead Levels in US Children include pre-1950s housing, poverty, predominant race and ethnicity, and geographical regions Original InvestigationSeptember 27, 2021Individual- and Community-Level Factors Associated With Detectable and Elevated Blood Lead Levels in US ChildrenResults From a National Clinical Laboratory Tags Community-level demographics Elevated Blood Lead Levels Detectable Blood Lead Levels pre-1950s housing poverty predominant race Black Non-Hispanic Hispanic predominant ethnicity geographical region Lead-Crime Hypothesis