Frances Boreland1, Margaret S Lesjak, David M Lyle. 1. Broken Hill Centre for Remote Health Research, Joint Initiative of the University of Sydney and Greater Western Area Health Service. fboreland@gwahs.health.nsw.gov.au
Abstract
OBJECTIVES: To describe locality-specific changes in blood lead levels of 1-4-year-old children in Broken Hill, NSW between 1991 and 2007. METHODS: Annual age-sex standardised mean blood lead levels, blood lead screening clinic attendance rates and lead-dust levels for five lead-risk zones were calculated from routinely collected data. RESULTS: Blood lead levels were similar in all localities in 2002, 2003, 2005 and 2006, after having been consistently higher in localities with highest environmental lead since 1991. CONCLUSIONS: Combining health promotion with a targeted clean-up has reduced the effect of locality on blood lead levels. Results are consistent with reduced contamination due to effective soil stabilisation and storm-water control.
OBJECTIVES: To describe locality-specific changes in blood lead levels of 1-4-year-old children in Broken Hill, NSW between 1991 and 2007. METHODS: Annual age-sex standardised mean blood lead levels, blood lead screening clinic attendance rates and lead-dust levels for five lead-risk zones were calculated from routinely collected data. RESULTS: Blood lead levels were similar in all localities in 2002, 2003, 2005 and 2006, after having been consistently higher in localities with highest environmental lead since 1991. CONCLUSIONS: Combining health promotion with a targeted clean-up has reduced the effect of locality on blood lead levels. Results are consistent with reduced contamination due to effective soil stabilisation and storm-water control.
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