Effect of environmental factors in reducing the prevalence of schistosomiasis in schoolchildren: an analysis of three extensive national prevalence surveys in Brazil (1950-2018)
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Data de Publicação: | 2023 |
Outros Autores: | , , |
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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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 |
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https://www.arca.fiocruz.br/handle/icict/60140 |
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eng |
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eng |
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info:eu-repo/semantics/openAccess |
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openAccess |
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Public Libray of Science |
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Public Libray of Science |
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