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Childhood Elevated Lead Levels

Time Range: 2004-2010       Resolution: Census Block Group

Elevated blood lead levels for children under 6 years of age represents the rate for the children under 6 years of age in a zip code area who received a confirmed lead screening from 2004-10, and had elevated blood lead levels equal to or exceeding 10 micrograms of lead per deciliter of blood as measured in a venous blood specimen. When an individual has multiple positive tests, only the earliest positive test is considered part of the measure.
Rationale
Childhood lead poisoning can lead to a life-time of cognitive and health problems. Older housing stocks may still contain substantial levels of lead paint which can be both ingested by children and inhaled. Older housing stock may also be using lead pipes, which introduces another vector for lead ingestion. Neighborhoods can also have high levels of lead in the environment from a variety of sources.
Source
Connecticut Department of Health, Lead Poisoning Prevention and Control Program, lead screening surveillance data, 2004-10. http://www.ct.gov/dph/lead, Population estimates come from the Nielsen Claritas Pop-Facts Demographic Report for 2007

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