| Early childhood lead exposure and exceptionality designations for students. | |
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MedLine Citation:
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PMID: 21533004 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The achievement gap continues to be an important educational issue, with disadvantaged groups exhibiting poorer school performance. Recently, literature has shown that even very low levels of early lead exposure affect cognitive and academic performance. As individuals at the lower end of the socioeconomic spectrum are more likely to be exposed to lead, this exposure may be an important contributor to the achievement gap. In this paper, we explore whether early childhood blood lead levels are associated with membership in exceptionality designation groups. In addition, we examine the racial and socioeconomic composition of these exceptional groups. Data from the North Carolina Childhood Lead Poisoning Prevention Program surveillance registry were linked at the individual child level to educational outcomes available through the North Carolina Education Research Data Center. Designation into exceptionality groups was obtained from the end-of-grade (EOG) data. Both standard bivariate and multivariate analyses were employed. Bivariate analyses indicate that blood lead levels and reading EOG scores differ by exceptionality, as well as by race and enrollment in free/reduced lunch. Logistic regression confirmed the relationship between blood lead levels and likelihood of exceptionality. Contextual factors - enrollment in the free/reduced lunch program, race, and parental education - are also significant with regard to exceptionality. This study demonstrates that early childhood lead exposure significantly influences the likelihood of being designated exceptional. These results provide additional evidence that early childhood lead exposure is a significant explanator of the achievement gap. |
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Authors:
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Marie Lynn Miranda; Pamela Maxson; Dohyeong Kim |
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Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: International journal of child and adolescent health Volume: 3 ISSN: 1939-5930 ISO Abbreviation: - Publication Date: 2010 |
Date Detail:
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Created Date: 2011-5-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101481433 Medline TA: Int J Child Adolesc health Country: - |
Other Details:
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Languages: ENG Pagination: 77-84 Citation Subset: - |
Affiliation:
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Associate Professor, Director, Children's Environmental Health Initiative, Nicholas School of the Environment, A134 LSRC, Duke University, Box 90328, Durham, NC 27708, mmiranda@duke.edu. |
Export Citation:
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Descriptor/Qualifier:
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| Grant Support | |
ID/Acronym/Agency:
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R01 ES014843-01A2//NIEHS NIH HHS; R01 ES014843-02//NIEHS NIH HHS; P30 ES011961-02//NIEHS NIH HHS |
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