Prevalence of Trachoma in Schoolchildren in Brazil

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorLUNA, Expedito Jose de Albuquerque
dc.contributor.authorLOPES, Maria de Fatima Costa
dc.contributor.authorMEDINA, Norma Helen
dc.contributor.authorFAVACHO, Joana
dc.contributor.authorCARDOSO, Maria Regina Alves
dc.date.accessioned2017-02-16T12:57:24Z
dc.date.available2017-02-16T12:57:24Z
dc.date.issued2016
dc.description.abstractPurpose: Trachoma was hyperendemic in Brazil until the 20th century. The prevalence has declined sharply in the past decades. The aim of this study was to estimate trachoma prevalence in schoolchildren in Brazilian municipalities with a Human Development Index (HDI) below the national mean. Methods: A cluster random sampling survey on trachoma prevalence was carried out. Brazilian municipalities with HDI below the national mean, within each of the 27 states, were stratified into three strata according to population size. In each stratum, schools were systematically selected to comprise a sample of 2400 schoolchildren, totaling 7200 per state. In each selected school, children enrolled from 1st to 4th grade were examined for trachoma. The simplified trachoma grading system was used. At a meeting held in each school, the study was explained to parents, and verbal consent sought. Results: A total of 185,862 children were enrolled in the selected schools. Of these, 171,973 (92.5%) participated in the study. The overall prevalence of trachomatous inflammation - follicular was 5.0% (95% confidence interval 4.7-5.3%), varying from 1.5% to 9.0% among the states. Prevalence was significantly associated with the sampling stratum (being higher in small municipalities), the zone in which the school was located (higher in rural schools), and with age (higher among younger children). Conclusion: Trachoma is still a public health problem in Brazil, although at a low level of endemicity. As the country advances towards the elimination of blinding trachoma, this survey provides a baseline for evaluation of ongoing and future elimination interventions.
dc.description.indexMEDLINE
dc.description.sponsorshipBrazilian Public Health System (Sistema Unico de Saude - SUS)
dc.identifier.citationOPHTHALMIC EPIDEMIOLOGY, v.23, n.6, p.360-365, 2016
dc.identifier.doi10.1080/09286586.2016.1244274
dc.identifier.eissn1744-5086
dc.identifier.issn0928-6586
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/18154
dc.language.isoeng
dc.publisherTAYLOR & FRANCIS INC
dc.relation.ispartofOphthalmic Epidemiology
dc.rightsrestrictedAccess
dc.rights.holderCopyright TAYLOR & FRANCIS INC
dc.subjectBrazil
dc.subjectepidemiological surveillance
dc.subjectprevention and control
dc.subjecttrachoma
dc.subject.otherconditional cash transfer
dc.subject.otherstate
dc.subject.wosOphthalmology
dc.titlePrevalence of Trachoma in Schoolchildren in Brazil
dc.typearticle
dc.type.categoryoriginal article
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.author.externalLOPES, Maria de Fatima Costa:Minist Hlth, Trachoma Control Program, Brasilia, DF, Brazil
hcfmusp.author.externalMEDINA, Norma Helen:Sao Paulo State Hlth Secretariat, Sanit Ophthalmol Ctr, Epidemiol Surveillance Ctr, Sao Paulo, Brazil
hcfmusp.author.externalFAVACHO, Joana:Minist Hlth, Inst Evandro Chagas, Brasilia, DF, Brazil
hcfmusp.author.externalCARDOSO, Maria Regina Alves:Univ Sao Paulo, Publ Hlth Sch, BR-05508 Sao Paulo, Brazil
hcfmusp.citation.scopus15
hcfmusp.contributor.author-fmusphcEXPEDITO JOSE DE ALBUQUERQUE LUNA
hcfmusp.description.beginpage360
hcfmusp.description.endpage365
hcfmusp.description.issue6
hcfmusp.description.volume23
hcfmusp.origemWOS
hcfmusp.origem.pubmed27824506
hcfmusp.origem.scopus2-s2.0-84994607569
hcfmusp.origem.wosWOS:000388588300004
hcfmusp.publisher.cityPHILADELPHIA
hcfmusp.publisher.countryUSA
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hcfmusp.scopus.lastupdate2024-05-17
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relation.isAuthorOfPublication.latestForDiscovery68ca9ace-34dc-4608-8ffa-b42f5278e34e
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