PMID: 16619865Apr 20, 2006Paper

Usefulness of the geographic information system (GIS) in the identification of contributing factors to lead blood concentrations in a population of Venezuelan children

Salud pública de México
Carlos EspinosaDavid Seijas

Abstract

To identify environmental factors that contribute to blood lead levels (BPb) in children living in an urban area in Valencia, Venezuela, using a Geographical Information System (GIS) as an association tool. An analytical-ecological study was carried out. 60 children. Demography, potential sources of environmental lead and BPb concentrations. An association was made between environmental variables and BPb, using a buffer analysis. There was a statistically significant difference between BPb in males (11.1+/-3.1 microg/dl) compared to females (9.5+/-2.7 microg/dl). Average BPb of children living within the buffer areas (10.7+/-3.2 microg/dl) was higher than that of the rest of the children (9.9+/-2.5 microg/dl). Children with BPb levels higher than the permissible limit who live in the southern region of the area studied had an average BPb significantly higher than the rest. The GIS enabled the identification of a soldering/welding shop as the nearest source of exposure to the male children's homes. GIS made it possible to recognize sources of lead exposure in the area and its association with the BPb levels of children that live near such sources. It is suggested to further evaluate additional factors that could influence the ri...Continue Reading

Citations

May 16, 2012·Health Policy and Planning·Jesse B Bump, Michael R Reich
Oct 31, 2009·Health Promotion International·Sara M Ulla Díez, Adriana Pérez-Fortis
Jul 6, 2010·Health Education Research·L M LotreanH De Vries
Jan 1, 2011·Archives of Environmental & Occupational Health·Osmel La-Llave-LeónGonzalo García Vargas

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