2007
DOI: 10.1289/ehp.9949
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The Relationship between Early Childhood Blood Lead Levels and Performance on End of Grade Tests

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Cited by 44 publications
(52 citation statements)
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“…The neurotoxic issue was indicated in New Orleans by 4th grade students whose achievement scores were directly associated with the amount of lead accumulated in the soils of each school district (Mielke et al 2005). Similar results were found in a North Carolina study where a discernible impact on 4th grade achievement scores were related to childhood blood lead levels as low as 2 lg/dl, and a blood lead level of 5 lg/dl was associated with about a 15% decline in reading and mathematics scores (Miranda et al 2007). The exposure related declines continue into adulthood (Shih et al 2007).…”
Section: Discussionsupporting
confidence: 71%
“…The neurotoxic issue was indicated in New Orleans by 4th grade students whose achievement scores were directly associated with the amount of lead accumulated in the soils of each school district (Mielke et al 2005). Similar results were found in a North Carolina study where a discernible impact on 4th grade achievement scores were related to childhood blood lead levels as low as 2 lg/dl, and a blood lead level of 5 lg/dl was associated with about a 15% decline in reading and mathematics scores (Miranda et al 2007). The exposure related declines continue into adulthood (Shih et al 2007).…”
Section: Discussionsupporting
confidence: 71%
“…The neurotoxic issue was indicated in New Orleans by fourth-grade students whose achievement scores were directly associated with the amount Pb accumulated in the soils of each school district (Mielke et al, 2005a). Similar results were found in a North Carolina study, where a discernible impact on fourth-grade achievement scores was related to childhood blood-Pb levels as low as 2 mg/dL, and a blood-Pb level of 5 mg/dL was associated with about a 15% decline in reading and mathematics scores (Miranda et al, 2007). The most detailed New Orleans blood-Pb and school performance study indicated that blood-Pb exposures !10 mg/dL were associated with reductions in test scores across all subjects and depressed variation in student performance across all achievement categories (Zahran et al, 2009).…”
Section: Lead (Pb)supporting
confidence: 77%
“…The critical value for lead poisoning was identiWed aş 10 g/dl of blood lead level in children by the Center for Disease Control and Prevention (CDC) in 1991 (Gardella 2001). Further studies showed that the eVects of lead exposure on cognitive function occur well below 10 g/dl (Jusko et al 2008), even at blood levels as low as 2 g/dl (Miranda et al 2007;Jedrychowski et al 2009). Hence, there seems to be no threshold below which lead is not toxic to the developing central nervous system.…”
Section: Introductionmentioning
confidence: 96%