ADVANCEMENT OF THE SCIENCE. The Impact of Poverty Status on Blood Lead Levels Among Individuals in the United States From 2017-2018: An Analysis of the National Health and Nutrition Examination Survey.

POVERTY in the United States; NATIONAL health services; CROSS-sectional method; REFERENCE values; SCIENCE; POPULATION health; LOGISTIC regression analysis; SEX distribution; SMOKING; SOCIOECONOMIC factors; DISEASE prevalence; AGE distribution; CHI-squared test; DESCRIPTIVE statistics; RACE; ODDS ratio; ENVIRONMENTAL justice; CONFIDENCE intervals; LEAD; DEMOGRAPHY

This cross-sectional study examines the population prevalence of blood lead levels (BLLs) greater than the sample median of 0.76 µg/dl in the U.S. population and investigates demographic factors associated with higher BLLs using data from the 2017-2018 National Health and Nutrition Examination Survey. Logistic regression models were used to assess the impact of poverty status on BLLs, with adjustments for factors such as race, age, gender, and lifetime smoking history. This study found that individuals living in or near poverty had significantly higher odds of having a BLL >0.76 µg/dl when compared with individuals not in poverty, with an adjusted OR of 1.824 (95% CI [1.324, 2.513]) and 1.744 (95% CI [1.388, 2.190]), respectively. This nationally representative study has important implications for understanding the demographic and socioeconomic factors that affect BLLs in the U.S. population. [ABSTRACT FROM AUTHOR]

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