Secular trends in child intestinal parasitic diseases in S. Paulo city, Brazil (1984-1996)
Autor(a) principal: | |
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Data de Publicação: | 2000 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Revista de Saúde Pública |
Texto Completo: | https://www.revistas.usp.br/rsp/article/view/25077 |
Resumo: | OBJECTIVE: Data from two consecutive household surveys undertaken in mid-80s and mid-90s allow to characterize and analyse secular trends in infant and child intestinal parasitic diseases in the city of S. Paulo, Brazil. METHODS: The two surveys included random population samples aged from zero to 59 months (1,016 in the period of 1984-85 and 1,280 in 1995-96). Stool samples were collected in both surveys and examined by sedimentation techniques using both unstained and Lugol-stained preparations. For each survey, the study of the social distribution of the parasitic diseases took into account tertiles of the per capita family income. For the study of the determinants of secular trends, hierarchical causal models, multivariate regression analyses and calculations analogous to the ones used to assess population attributable risks were applied. RESULTS/CONCLUSIONS: In the time span from the first to the second survey, there was a substantial reduction in the prevalence of all parasites (from 30.9% to 10.7%), helminthes in general (from 22.3% to 4.8%), giardiasis (from 14.5% to 5.5%) and two or more species of parasites (from 13.1% to 0.5%). A significant decline in prevalence was observed in all social strata and the inverse association between income and intestinal parasites was kept unchanged in the period. Positive changes in distal (family income and maternal schooling) and intermediate determinants (housing, sanitation, and access to health care) of helminthic disease could substantially explain part of its decline in the period. The decline in giardiasis was attributed to improvement in maternal schooling, housing and sanitation. The duplication in the attendance rate to day care nurseries may have restricted the decline rate in the giardiasis prevalence in the study period. |
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Secular trends in child intestinal parasitic diseases in S. Paulo city, Brazil (1984-1996) Tendência secular das parasitoses intestinais na infância na cidade de São Paulo (1984-1996) Enteropatias parasitárias^i1^sepidemioloHelmintíase^i1^sepidemioloGiardíase^i1^sepidemioloLevantamentos epidemiológicosFatores socioeconômicosSéries de tempoEstudos transversaisCriançaIntestinal diseases^i2^sparasiIntestinal diseases^i2^sepidemiolHelminthiasis^i2^sepidemiolGiardiasis^i2^sepidemiolHealth surveysSocioeconomic factorsTime seriesCross-sectional studiesChild OBJECTIVE: Data from two consecutive household surveys undertaken in mid-80s and mid-90s allow to characterize and analyse secular trends in infant and child intestinal parasitic diseases in the city of S. Paulo, Brazil. METHODS: The two surveys included random population samples aged from zero to 59 months (1,016 in the period of 1984-85 and 1,280 in 1995-96). Stool samples were collected in both surveys and examined by sedimentation techniques using both unstained and Lugol-stained preparations. For each survey, the study of the social distribution of the parasitic diseases took into account tertiles of the per capita family income. For the study of the determinants of secular trends, hierarchical causal models, multivariate regression analyses and calculations analogous to the ones used to assess population attributable risks were applied. RESULTS/CONCLUSIONS: In the time span from the first to the second survey, there was a substantial reduction in the prevalence of all parasites (from 30.9% to 10.7%), helminthes in general (from 22.3% to 4.8%), giardiasis (from 14.5% to 5.5%) and two or more species of parasites (from 13.1% to 0.5%). A significant decline in prevalence was observed in all social strata and the inverse association between income and intestinal parasites was kept unchanged in the period. Positive changes in distal (family income and maternal schooling) and intermediate determinants (housing, sanitation, and access to health care) of helminthic disease could substantially explain part of its decline in the period. The decline in giardiasis was attributed to improvement in maternal schooling, housing and sanitation. The duplication in the attendance rate to day care nurseries may have restricted the decline rate in the giardiasis prevalence in the study period. OBJETIVO: Estimar a prevalência e a distribuição social das parasitoses intestinais na infância, estabelecer a tendência secular dessas enfermidades e analisar sua determinação, com base em dois inquéritos domiciliares, realizados na cidade de São Paulo, SP, em 1984/85 e 1995/96. MÉTODOS: Os inquéritos estudaram amostras probabilísticas da população residente na cidade com idades entre zero e 59 meses (1.016 em 1984/85 e 1.280 em 1995/96). Amostras de fezes foram coletadas nos dois inquéritos e submetidas a exame parasitológico pela técnica de sedimentação, realizando-se leituras de preparações simples e de preparações coradas com lugol para exame de cistos de protozoários. O estudo da distribuição social das parasitoses levou em conta tercis da renda familiar per capita em cada um dos inquéritos. A estratégia analítica para estudar os determinantes da evolução da prevalência das parasitoses na população empregou modelos hierárquicos de causalidade, análises multivariadas de regressão e procedimentos análogos aos utilizados para calcular riscos atribuíveis populacionais. RESULTADOS/CONCLUSÕES: Houve entre os inquéritos reduções expressivas na prevalência das parasitoses em geral (de 30,9% para 10,7%), das helmintoses (22,3% para 4,8%), da giardíase (14,5% para 5,5%) e do poliparasitismo intestinal (13,1% para 0,5%). Embora declínios intensos tenham sido observados em todos os estratos sociais, manteve-se inalterada no período a forte relação inversa entre nível de renda e ocorrência de parasitismo. Mudanças positivas em determinantes distais (renda familiar e escolaridade materna) e intermediários (moradia, saneamento do meio e acesso a serviços de saúde) das helmintoses, justificaram parte substancial da redução de sua prevalência. A redução da giardíase foi atribuída a melhorias na escolaridade materna e nas condições de moradia e saneamento. A duplicação da freqüência a creches refreou o declínio da giardíase. Universidade de São Paulo. Faculdade de Saúde Pública2000-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/rsp/article/view/2507710.1590/S0034-89102000000700010Revista de Saúde Pública; Vol. 34 No. 6 supl. (2000); 73-82 Revista de Saúde Pública; Vol. 34 Núm. 6 supl. (2000); 73-82 Revista de Saúde Pública; v. 34 n. 6 supl. (2000); 73-82 1518-87870034-8910reponame:Revista de Saúde Públicainstname:Universidade de São Paulo (USP)instacron:USPporhttps://www.revistas.usp.br/rsp/article/view/25077/26904Copyright (c) 2017 Revista de Saúde Públicainfo:eu-repo/semantics/openAccessFerreira, Marcelo UrbanoFerreira, Claudio dos SantosMonteiro, Carlos Augusto2012-05-29T18:49:10Zoai:revistas.usp.br:article/25077Revistahttps://www.revistas.usp.br/rsp/indexONGhttps://www.revistas.usp.br/rsp/oairevsp@org.usp.br||revsp1@usp.br1518-87870034-8910opendoar:2012-05-29T18:49:10Revista de Saúde Pública - Universidade de São Paulo (USP)false |
dc.title.none.fl_str_mv |
Secular trends in child intestinal parasitic diseases in S. Paulo city, Brazil (1984-1996) Tendência secular das parasitoses intestinais na infância na cidade de São Paulo (1984-1996) |
title |
Secular trends in child intestinal parasitic diseases in S. Paulo city, Brazil (1984-1996) |
spellingShingle |
Secular trends in child intestinal parasitic diseases in S. Paulo city, Brazil (1984-1996) Ferreira, Marcelo Urbano Enteropatias parasitárias^i1^sepidemiolo Helmintíase^i1^sepidemiolo Giardíase^i1^sepidemiolo Levantamentos epidemiológicos Fatores socioeconômicos Séries de tempo Estudos transversais Criança Intestinal diseases^i2^sparasi Intestinal diseases^i2^sepidemiol Helminthiasis^i2^sepidemiol Giardiasis^i2^sepidemiol Health surveys Socioeconomic factors Time series Cross-sectional studies Child |
title_short |
Secular trends in child intestinal parasitic diseases in S. Paulo city, Brazil (1984-1996) |
title_full |
Secular trends in child intestinal parasitic diseases in S. Paulo city, Brazil (1984-1996) |
title_fullStr |
Secular trends in child intestinal parasitic diseases in S. Paulo city, Brazil (1984-1996) |
title_full_unstemmed |
Secular trends in child intestinal parasitic diseases in S. Paulo city, Brazil (1984-1996) |
title_sort |
Secular trends in child intestinal parasitic diseases in S. Paulo city, Brazil (1984-1996) |
author |
Ferreira, Marcelo Urbano |
author_facet |
Ferreira, Marcelo Urbano Ferreira, Claudio dos Santos Monteiro, Carlos Augusto |
author_role |
author |
author2 |
Ferreira, Claudio dos Santos Monteiro, Carlos Augusto |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Ferreira, Marcelo Urbano Ferreira, Claudio dos Santos Monteiro, Carlos Augusto |
dc.subject.por.fl_str_mv |
Enteropatias parasitárias^i1^sepidemiolo Helmintíase^i1^sepidemiolo Giardíase^i1^sepidemiolo Levantamentos epidemiológicos Fatores socioeconômicos Séries de tempo Estudos transversais Criança Intestinal diseases^i2^sparasi Intestinal diseases^i2^sepidemiol Helminthiasis^i2^sepidemiol Giardiasis^i2^sepidemiol Health surveys Socioeconomic factors Time series Cross-sectional studies Child |
topic |
Enteropatias parasitárias^i1^sepidemiolo Helmintíase^i1^sepidemiolo Giardíase^i1^sepidemiolo Levantamentos epidemiológicos Fatores socioeconômicos Séries de tempo Estudos transversais Criança Intestinal diseases^i2^sparasi Intestinal diseases^i2^sepidemiol Helminthiasis^i2^sepidemiol Giardiasis^i2^sepidemiol Health surveys Socioeconomic factors Time series Cross-sectional studies Child |
description |
OBJECTIVE: Data from two consecutive household surveys undertaken in mid-80s and mid-90s allow to characterize and analyse secular trends in infant and child intestinal parasitic diseases in the city of S. Paulo, Brazil. METHODS: The two surveys included random population samples aged from zero to 59 months (1,016 in the period of 1984-85 and 1,280 in 1995-96). Stool samples were collected in both surveys and examined by sedimentation techniques using both unstained and Lugol-stained preparations. For each survey, the study of the social distribution of the parasitic diseases took into account tertiles of the per capita family income. For the study of the determinants of secular trends, hierarchical causal models, multivariate regression analyses and calculations analogous to the ones used to assess population attributable risks were applied. RESULTS/CONCLUSIONS: In the time span from the first to the second survey, there was a substantial reduction in the prevalence of all parasites (from 30.9% to 10.7%), helminthes in general (from 22.3% to 4.8%), giardiasis (from 14.5% to 5.5%) and two or more species of parasites (from 13.1% to 0.5%). A significant decline in prevalence was observed in all social strata and the inverse association between income and intestinal parasites was kept unchanged in the period. Positive changes in distal (family income and maternal schooling) and intermediate determinants (housing, sanitation, and access to health care) of helminthic disease could substantially explain part of its decline in the period. The decline in giardiasis was attributed to improvement in maternal schooling, housing and sanitation. The duplication in the attendance rate to day care nurseries may have restricted the decline rate in the giardiasis prevalence in the study period. |
publishDate |
2000 |
dc.date.none.fl_str_mv |
2000-12-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.revistas.usp.br/rsp/article/view/25077 10.1590/S0034-89102000000700010 |
url |
https://www.revistas.usp.br/rsp/article/view/25077 |
identifier_str_mv |
10.1590/S0034-89102000000700010 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/rsp/article/view/25077/26904 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2017 Revista de Saúde Pública info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2017 Revista de Saúde Pública |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade de São Paulo. Faculdade de Saúde Pública |
publisher.none.fl_str_mv |
Universidade de São Paulo. Faculdade de Saúde Pública |
dc.source.none.fl_str_mv |
Revista de Saúde Pública; Vol. 34 No. 6 supl. (2000); 73-82 Revista de Saúde Pública; Vol. 34 Núm. 6 supl. (2000); 73-82 Revista de Saúde Pública; v. 34 n. 6 supl. (2000); 73-82 1518-8787 0034-8910 reponame:Revista de Saúde Pública instname:Universidade de São Paulo (USP) instacron:USP |
instname_str |
Universidade de São Paulo (USP) |
instacron_str |
USP |
institution |
USP |
reponame_str |
Revista de Saúde Pública |
collection |
Revista de Saúde Pública |
repository.name.fl_str_mv |
Revista de Saúde Pública - Universidade de São Paulo (USP) |
repository.mail.fl_str_mv |
revsp@org.usp.br||revsp1@usp.br |
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1800221779838369792 |