published, and trademarked by the American Academy of Pediatrics, 141 Northwest Point

ABSTRACT. Background. Dust control is recom-mended to prevent children’s exposure to residential lead hazards, but the long-term effect of dust control on children’s exposure to environmental lead is unknown. Objective. To determine the effect of dust control on children’s exposure to lead, as measured by blood lead concentration at 48 months of age. Design. A randomized, controlled trial. Setting. Rochester, New York. Participants. A total of 275 urban children were ran-domized at 6 months of age; 189 (69%) were available for the 48-month follow-up blood test. Intervention. Children and their families were ran-domly assigned to an intervention group that received cleaning equipment and up to 8 visits by a trained lea