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Revista de Saúde Pública
versão On-line ISSN 1518-8787
GOUVEIA, Nelson e PRADO, Rogerio Ruscitto do. Health risks in areas close to urban solid waste landfill sites. Rev. Saúde Pública [online]. 2010, vol.44, n.5, pp.859-866. Epub 03-Set-2010. ISSN 1518-8787. http://dx.doi.org/10.1590/S0034-89102010005000029.
OBJECTIVE: To evaluate the association between living close to solid waste landfill sites and occurrences of cancer and congenital malformations among populations in their vicinity. METHODS: Deaths among people living in the municipality of São Paulo, Southeastern Brazil, between 1998 and 2002 were selected and geocoded, according to selected causes. Over the period evaluated, there were 351 deaths due to liver cancer, 160 due to bladder cancer and 224 due to leukemia, among adults, 25 due to childhood leukemia and 299 due to congenital malformation, in areas close to landfill sites. Buffer zones of radius 2 km around the 15 sites delimited the areas exposed. Standardized mortality ratios for each outcome were analyzed in Bayesian spatial models. RESULTS: In a general manner, the highest values for the standardized mortality ratios were found in more central areas of the municipality, while the landfill sites were located in more peripheral areas. The standardized mortality ratios did not indicate any excess risk for people living in areas close to solid waste landfill sites in the municipality of São Paulo. For landfill sites in operation, there was a greater risk of bladder and liver cancer, and death due to congenital malformation, but without statistical significance. CONCLUSIONS: No increase in the risk of cancer or congenital malformations was found in areas in the vicinity of urban waste dumps in the municipality of São Paulo. The weak associations and the imprecision of the estimates obtained did not allow any causal relationship to be established.
Palavras-chave : Environmental Risks; Housing; Sanitary Landfill; Solid Wastes; Cause of Death; Neoplasms; Mortality Rate; Geographic Information Systems.