Abstract:
:A population-based survey to provide information on the prevalence of hepatitis viral infection and the pattern of risk factors was carried out in the urban population of all Brazilian state capitals and the Federal District, between 2005 and 2009. This paper describes the design and methodology of the study which involved a population aged 5 to 19 for hepatitis A and 10 to 69 for hepatitis B and C. Interviews and blood samples were obtained through household visits. The sample was selected using stratified multi-stage cluster sampling and was drawn with equal probability from each domain of study (region and age-group). Nationwide, 19,280 households and ~31,000 residents were selected. The study is large enough to detect prevalence of viral infection around 0.1% and risk factor assessments within each region. The methodology seems to be a viable way of differentiating between distinct epidemiological patterns of hepatitis A, B and C. These data will be of value for the evaluation of vaccination policies and for the design of control program strategies.
journal_name
Cad Saude Publicajournal_title
Cadernos de saude publicaauthors
Ximenes RA,Pereira LM,Martelli CM,Merchán-Hamann E,Stein AT,Figueiredo GM,Braga MC,Montarroyos UR,Brasil LM,Turchi MD,Fonseca JC,Lima ML,Alencar LC,Costa M,Coral G,Moreira RC,Cardoso MRdoi
10.1590/s0102-311x2010000900003subject
Has Abstractpub_date
2010-09-01 00:00:00pages
1693-704issue
9eissn
0102-311Xissn
1678-4464pii
S0102-311X2010000900003journal_volume
26pub_type
杂志文章,评审abstract::From 1997 to 1999, the Chilean Ministry of Health conducted studies on the health care networks in each of the country's 13 regions in order to help plan regional health sector development and define investment projects. Health insurance coverage displayed major geographic, age, and gender variations. Out-patient and ...
journal_title:Cadernos de saude publica
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journal_title:Cadernos de saude publica
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journal_title:Cadernos de saude publica
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journal_title:Cadernos de saude publica
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journal_title:Cadernos de saude publica
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journal_title:Cadernos de saude publica
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journal_title:Cadernos de saude publica
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