Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)

Detalhes bibliográficos
Autor(a) principal: Santos, Mariana Cristina Silva
Data de Publicação: 2023
Outros Autores: Oliveira, Guilherme Lopes de, Mingoti, Sueli Aparecida, Heller, Léo
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/60140
Resumo: This work was carried out with the support of the Coordination for the Improvement of Higher Education Personnel – Brazil (CAPES) – Financing Code 001 (https://www.gov.br/capes/ptbr), which granted financial aid in the form of a scholarship granted to MCSS. The financier did not participate in the study design, data collection and analysis, publication decision or manuscript preparation.
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spelling Santos, Mariana Cristina SilvaOliveira, Guilherme Lopes deMingoti, Sueli AparecidaHeller, Léo2023-08-17T13:37:02Z2023-08-17T13:37:02Z2023SANTOS, Mariana Cristina Silva et al. Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018). PLoS Neglected Tropical Diseases, v. 17, n. 7, p. 1-19, July 2023.1935-2735https://www.arca.fiocruz.br/handle/icict/6014010.1371/journal.pntd.0010804This work was carried out with the support of the Coordination for the Improvement of Higher Education Personnel – Brazil (CAPES) – Financing Code 001 (https://www.gov.br/capes/ptbr), which granted financial aid in the form of a scholarship granted to MCSS. The financier did not participate in the study design, data collection and analysis, publication decision or manuscript preparation.Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil.Centro Federal de Educação Tecnológica de Minas Gerais. Departamento de Computação. Belo Horizonte, MG, Brazil.Universidade Federal de Minas Gerais. Departamento de Estatística. Belo Horizonte, MG, Brazil.Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil.Background: Over seven decades, Brazil has made admirable progress in controlling schistosomiasis, and a frequent question about the explanation for this reduction refers to the effect of improving environmental factors in the country. This article seeks to identify factors related to the change in the epidemiological situation of schistosomiasis mansoni infection by analyzing three national prevalence surveys conducted since 1950. Methodology/principal findings: This is an ecological study analyzing an unbalanced panel of data based on national surveys and considering the municipality as the unit of analysis. The sample consisted of 1,721 Brazilian municipalities, in which a total of 1,182,339 schoolchildren aged 7-14 were examined during the three periods corresponding to each survey (1947-1953, 1975-1979, and 2010-2015). The percentage of municipalities with zero cases of schistosomiasis was: 45.4%, 54.2% and 73.7%, respectively for those periods. A zero-inflated Poisson regression model, with fixed and random effects, was fitted to assess the association between candidate factors and disease prevalence using a significance level of 5%. There was a significant decrease in disease prevalence between the first and last periods analyzed (RR 0.214, CI 0.184-0.249), with a protective association with access to sanitation (RR 0.996, CI 0.994-0.998), urbanization (RR 0.991, CI 0.989-0.993), and living in own households (RR 0.986, CI 0.983-0.989); and an inverse association with piped water supply (RR 1.010, CI 1.008-1.011). Conclusion: The findings of this study indicate a decrease in the prevalence of schistosomiasis over seven decades in schoolchildren from the analyzed Brazilian municipalities, associated with environmental factors and social conditions. The increased access to piped water in the municipalities apparently triggers other ways of contact with unsafe water bodies, generating new transmission routes and suggesting the need for a systemic approach concerning contact with water.engPublic Libray of ScienceEffect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleSchistosomiasisSchistosomiasis Mansoni infectionSchoolchildren agedSchistosoma Mansoniinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/60140/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALEffect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren_ An analysis of three extensive national prevalence surveys in Brazil (1950–2018).pdfEffect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren_ An analysis of three extensive national prevalence surveys in Brazil (1950–2018).pdfapplication/pdf986082https://www.arca.fiocruz.br/bitstream/icict/60140/2/Effect%20of%20environmental%20factors%20in%20reducing%20the%20prevalence%20of%20schistosomiasis%20in%20schoolchildren_%20An%20analysis%20of%20three%20extensive%20national%20prevalence%20surveys%20in%20Brazil%20%281950%e2%80%932018%29.pdf43521c49cad62bf2ab58df64a087f159MD52icict/601402023-09-13 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dc.title.en_US.fl_str_mv Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)
title Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)
spellingShingle Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)
Santos, Mariana Cristina Silva
Schistosomiasis
Schistosomiasis Mansoni infection
Schoolchildren aged
Schistosoma Mansoni
title_short Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)
title_full Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)
title_fullStr Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)
title_full_unstemmed Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)
title_sort Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)
author Santos, Mariana Cristina Silva
author_facet Santos, Mariana Cristina Silva
Oliveira, Guilherme Lopes de
Mingoti, Sueli Aparecida
Heller, Léo
author_role author
author2 Oliveira, Guilherme Lopes de
Mingoti, Sueli Aparecida
Heller, Léo
author2_role author
author
author
dc.contributor.author.fl_str_mv Santos, Mariana Cristina Silva
Oliveira, Guilherme Lopes de
Mingoti, Sueli Aparecida
Heller, Léo
dc.subject.en.none.fl_str_mv Schistosomiasis
Schistosomiasis Mansoni infection
Schoolchildren aged
Schistosoma Mansoni
topic Schistosomiasis
Schistosomiasis Mansoni infection
Schoolchildren aged
Schistosoma Mansoni
description This work was carried out with the support of the Coordination for the Improvement of Higher Education Personnel – Brazil (CAPES) – Financing Code 001 (https://www.gov.br/capes/ptbr), which granted financial aid in the form of a scholarship granted to MCSS. The financier did not participate in the study design, data collection and analysis, publication decision or manuscript preparation.
publishDate 2023
dc.date.accessioned.fl_str_mv 2023-08-17T13:37:02Z
dc.date.available.fl_str_mv 2023-08-17T13:37:02Z
dc.date.issued.fl_str_mv 2023
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv SANTOS, Mariana Cristina Silva et al. Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018). PLoS Neglected Tropical Diseases, v. 17, n. 7, p. 1-19, July 2023.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/60140
dc.identifier.issn.en_US.fl_str_mv 1935-2735
dc.identifier.doi.none.fl_str_mv 10.1371/journal.pntd.0010804
identifier_str_mv SANTOS, Mariana Cristina Silva et al. Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018). PLoS Neglected Tropical Diseases, v. 17, n. 7, p. 1-19, July 2023.
1935-2735
10.1371/journal.pntd.0010804
url https://www.arca.fiocruz.br/handle/icict/60140
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Public Libray of Science
publisher.none.fl_str_mv Public Libray of Science
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
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