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EXPOSURE TO LEAD AND CADMIUM AND ASSOCIATED FACTORS IN CHILDREN 0–17 YEARS OF AGE LIVING IN AN AREA CONTAMINATED BY METALS
Author
Affilliation
Federal University of Bahia. Department of Science and Technology of Materials. Salvador, BA, Brazil
Federal University of Bahia. Department of Science and Technology of Materials. Salvador, BA, Brazil
Catholic University of Salvador. School of Engineering. Salvador, BA, Brazil
Fundação Oswaldo Cruz. Centro de Pesquisas Gonçalo Moniz. Salvador, BA, Brasil
Fundação Oswaldo Cruz. Centro de Pesquisas Gonçalo Moniz. Salvador, BA, Brasil
Catholic University of Salvador. Laboratory of Studies in Environment. Salvador, BA, Brazil
Research Federal University of Bahia. Institute of Geosciences. Center Geophysics and Geology. Salvador, BA, Brazil
Federal University of Bahia. Department of Science and Technology of Materials. Salvador, BA, Brazil
Catholic University of Salvador. School of Engineering. Salvador, BA, Brazil
Fundação Oswaldo Cruz. Centro de Pesquisas Gonçalo Moniz. Salvador, BA, Brasil
Fundação Oswaldo Cruz. Centro de Pesquisas Gonçalo Moniz. Salvador, BA, Brasil
Catholic University of Salvador. Laboratory of Studies in Environment. Salvador, BA, Brazil
Research Federal University of Bahia. Institute of Geosciences. Center Geophysics and Geology. Salvador, BA, Brazil
Abstract
This article analyzes some characteristics and conditions associated
with Pb and Cd exposure using an exploratory approach, relating them
to the levels of Pb and Cd in blood (blood lead levels [BLL] and blood
cadmium levels [BCL]) in children 0–17 years of age living in an area
contaminated by metals. BLL and BCL values were determined for each
child and questionnaires were applied to their parents. Significant
differences were found in mean BLL values according to race (p D .03),
family history of intoxication by Pb (p D .004), if a family member was a
metallurgy worker (p D .047), if a family member performed activities in
the area of metallurgy (p D .03), and mother’s employment status (p D
.014). The following characteristics were associated with increased risk
of BLL above 5.0 mg/dL in children: race, having a family record of
intoxication by lead, and having a parent who worked at the plant. BLC
values are not significantly associated with any of the studied
characteristics. It may be concluded that BLL values are influenced by
the social indicators of the population.
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