Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/6545
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dc.contributor.authorBaghurst, P.-
dc.contributor.authorTong, S.-
dc.contributor.authorSawyer, M.-
dc.contributor.authorBurns (nee Mudge), J.-
dc.contributor.authorMcMichael, A.-
dc.date.issued1999-
dc.identifier.citationMedical Journal of Australia, 1999; 170(2):63-67-
dc.identifier.issn0314-514X-
dc.identifier.issn1326-5377-
dc.identifier.urihttp://hdl.handle.net/2440/6545-
dc.description.abstract<h4>Objective</h4>To describe the determinants of blood lead concentration in children with long term environmental exposure to lead.<h4>Design</h4>Prospective cohort study.<h4>Setting</h4>The lead smelting town of Port Pirie, South Australia, and surrounding townships.<h4>Participants</h4>326 children born in and around Port Pirie, 1979-1982, followed up until age 11-13 years in 1993-1994.<h4>Main outcome measures</h4>Blood lead concentrations assessed at birth and at multiple ages up to 11-13 years; average lifetime blood lead concentration.<h4>Results</h4>Mean blood lead concentration rose sharply over the ages 6 to 15 months, reached a maximum around 2 years of age, and declined steadily as the children grew older. There was no difference in blood lead concentration between boys and girls until they reached the age of 11-13 years, when mean blood lead concentration in boys (8.4 micrograms/dL [0.41 mumol/L]) was slightly higher than in girls (7.5 micrograms/dL [0.36 mumol/L]). Residential area and father's employment site were the two variables most strongly predictive of a child's blood lead concentration at the end of primary school. Poorer-quality home environment was also found to be an independent contributor to blood lead concentrations.<h4>Conclusions</h4>Age-related factors, and possibly recent concerted efforts to decrease entry or re-entrainment of lead into the environment at Port Pirie, have resulted in most children in our study having blood lead concentrations below 10 micrograms/dL (0.48 mumol/L) at the end of their primary school years. Lead exposure during a child's early years remains an important contributor to average lifetime exposure.-
dc.language.isoen-
dc.publisherAUSTRALASIAN MED PUBL CO LTD-
dc.source.urihttp://dx.doi.org/10.5694/j.1326-5377.1999.tb126884.x-
dc.subjectHumans-
dc.subjectLead Poisoning-
dc.subjectLead-
dc.subjectRisk Factors-
dc.subjectRegression Analysis-
dc.subjectProspective Studies-
dc.subjectChild Behavior-
dc.subjectFingersucking-
dc.subjectSucking Behavior-
dc.subjectEnvironmental Exposure-
dc.subjectAge Factors-
dc.subjectResidence Characteristics-
dc.subjectSocioeconomic Factors-
dc.subjectExtraction and Processing Industry-
dc.subjectChild-
dc.subjectUrban Health-
dc.subjectSouth Australia-
dc.subjectFemale-
dc.subjectMale-
dc.titleSociodemographic and behavioural determinants of blood lead concentrations in children aged 11-13 years. The Port Pirie Cohort Study.-
dc.typeJournal article-
dc.identifier.doi10.5694/j.1326-5377.1999.tb126884.x-
pubs.publication-statusPublished-
dc.identifier.orcidSawyer, M. [0000-0002-7834-0561]-
Appears in Collections:Aurora harvest 5
Psychiatry publications

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