Prevalence of trachoma in a population of the upper Rio Negro basin and risk factors for active disease

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dc.contributor.authorCruz, Antonio Augusto V.
dc.contributor.authorMedina, Norma H.
dc.contributor.authorIbrahim, Marlon M.
dc.contributor.authorSouza, Roberto M.
dc.contributor.authorGomes, Uilho A.
dc.contributor.authorGonçalves, Glauco F. O. R.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:23:35Z
dc.date.available2014-05-27T11:23:35Z
dc.date.issued2008-07-01
dc.description.abstractPurpose: To determine the prevalence of trachoma in Sao Gabriel da Cachoeira (SGC), the only urban community of the upper Rio Negro Basin of the Amazon state in Brazil, near the Colombian border, and to investigate the risk factors associated with the active forms of the disease. Methods: A total of 1702 people (440 children up to 9 years and 1069 adults aged 15 years and above) were examined. The sample was selected from a probabilistic household sampling procedure based on census data and a previous study of trachoma prevalence in Sao Gabriel da Cachoeira. A two-stage probabilistic household cluster sample was drawn. Household units were randomly selected within each cluster. A variety of socioeconomic and hygiene variables were studied in order to determine the risk factors for active trachoma in a household. Results: The total prevalence of trachoma was 8.9%. Prevalence of active trachoma (TF and/or TI) in children aged 1-9 years was 11.1% and trachomatous trichiasis in adults aged 15 years and above was 0.19%. Trachomatous scarring reached a peak of 22.4% for subjects between 50 to 60 years of age. Corneal opacity occurred in subjects aged 50 years and older with a prevalence of 2.0%. No sex effect was found on the overall prevalence of trachoma in SGC. Risk factors associated with active trachoma were mainly related to poor socioeconomic indicators. Conclusions: Despite the ubiquitous presence of water, the analysis of the risk factors associated with the active forms of the disease supports the idea that a low personal standard of hygiene and not water availability per se, is the key factor associated with trachoma. Copyright © 2008 Informa Healthcare USA, Inc.en
dc.description.affiliationDepartment of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery School of Medicine of Ribeirão Preto University of São Paulo, Sao Paulo
dc.description.affiliationDepartment of Social Medicine School of Medicine of Ribeirão Preto University of São Paulo, Sao Paulo
dc.description.affiliationSanitary Ophthalmology Service Epidemiological Surveillance Center of São Paulo State, Sao Paulo
dc.description.affiliationFaculdade de Medicina de Ribeirão Preto-USP Departamento de Oftalmologia, Otorrinolaringologia e Cirurgia de Cabeça e Pescoço Hospital Das Clínicas-Campus, Av. Bandeirantes 3900, 14049-900 Ribeirão Preto, São Paulo
dc.format.extent272-278
dc.identifierhttp://dx.doi.org/10.1080/09286580802080090
dc.identifier.citationOphthalmic Epidemiology, v. 15, n. 4, p. 272-278, 2008.
dc.identifier.doi10.1080/09286580802080090
dc.identifier.issn0928-6586
dc.identifier.issn1744-5086
dc.identifier.scopus2-s2.0-51549102844
dc.identifier.urihttp://hdl.handle.net/11449/70450
dc.language.isoeng
dc.relation.ispartofOphthalmic Epidemiology
dc.relation.ispartofjcr1.297
dc.relation.ispartofsjr0,864
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.subjectBrazil
dc.subjectPrevalence
dc.subjectRisk factors
dc.subjectTrachoma
dc.subjectadolescent
dc.subjectadult
dc.subjectchild
dc.subjectcornea opacity
dc.subjectfemale
dc.subjecthuman
dc.subjecthygiene
dc.subjectinfant
dc.subjectmajor clinical study
dc.subjectmale
dc.subjectprevalence
dc.subjectpriority journal
dc.subjectrisk factor
dc.subjectscar formation
dc.subjectsocioeconomics
dc.subjecttrachoma
dc.subjecttrichiasis
dc.subjectwater supply
dc.subjectAdolescent
dc.subjectAdult
dc.subjectChild
dc.subjectChild, Preschool
dc.subjectFemale
dc.subjectHealth Surveys
dc.subjectHumans
dc.subjectInfant
dc.subjectMale
dc.subjectMiddle Aged
dc.subjectRisk Factors
dc.titlePrevalence of trachoma in a population of the upper Rio Negro basin and risk factors for active diseaseen
dc.typeArtigo
dcterms.licensehttp://informahealthcare.com/userimages/ContentEditor/1255620309227/Copyright_And_Permissions.pdf

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