Seasonal variation in paediatric blood lead levels in Syracuse,NY, USA |
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| Authors: | David L Johnson Kimberly McDade Daniel Griffith |
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| Institution: | (1) Department of Chemistry, SUNY College of Environmental Science and Forestry, 13210 Syracuse, New York, USA;(2) Department of Geography, Maxwell School, Syracuse University, 13210 Syracuse, New York, USA |
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| Abstract: | Venous blood lead values for 2,633 children aged 0–4 years in Syracuse, New York, collected between 1 April 1992 and 31 March 1993 were summarised by census tract for study of geographic variability. A demographic exposure model is presented showing housing stock and SES (socioeconomic status) parameters as the most significant predictor variables. A seasonal trend in blood lead levels was observed with late summer values about 40% higher than late winter values for census tracts with the highest geometric mean PbB levels. Seasonal variation is compared with a biokinetic uptake model to examine hypotheses about temporal variations in soil and dust lead exposure patterns. |
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| Keywords: | blood lead seasonal variation demographic correlates biokinetic uptake |
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