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Abstract
Children with accidental ingestions exhibit excessive hand-to-mouth behavior. In a lead-burdened environment, hand-to-mouth behavior contributes to increased lead absorption. To test the hypothesis that accidental-ingestion patients experience greater lead absorption than other urban children, 95 children under 6 years of age with recent ingestions of nonlead-containing materials and a matched control group were compared. Ingestors had higher mean blood lead levels than controls (25.0 micrograms/dl versus 22.2 micrograms/dl, P = 0.036) and higher mean erythrocyte protoporphyrin levels (40.6 micrograms/dl versus 28.6 micrograms/dl, P = 0.006). Ingestion victims were more than three times as likely as controls to be classified as having increased lead absorption. Thumb-sucking was twice as common among ingestors as controls (37% versus 19%). These findings indicate that children with accidental ingestions are at greater risk of increased lead absorption than other urban children.
View details for Web of Science ID A1985ALX9200004
View details for PubMedID 4004998