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      Fatores relacionados à vacinação contra a gripe em idosos: estudo transversal, Cambé, Paraná, Brasil Translated title: Factors associated with influenza vaccination among the elderly: a cross-sectional study in Cambé, Paraná State, Brazil

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          Abstract

          Este trabalho teve como objetivo verificar a cobertura vacinal contra a gripe em idosos e a associação entre a vacinação e variáveis socioeconômicas, demográficas, de saúde e estilo de vida. Estudo de natureza epidemiológico-descritiva, transversal, realizado de abril de 2008 a setembro de 2009, com 990 idosos do Município de Cambé, Paraná, Brasil. A cobertura vacinal foi de 74,6%. A maior taxa de adesão foi entre os indivíduos com idades de 70-79 anos [razão de prevalência ajustada (RP) = 1,05] e 80 anos ou mais (RP = 1,03), hipertensos, e com renda mensal de até 3 salários mínimos (RP = 1,10) ou superior (RP = 1,17) comparados aos idosos sem renda. Idosos sedentários (RP = 0,96) aderiram menos à vacinação, e divorciados/separados (RP = 0,92) apresentaram menor adesão comparados aos casados. Os resultados sugerem a necessidade de estratégias de atenção à saúde, considerando os fatores que interferem na adesão voluntária à vacinação, contribuindo para aumentar as chances de sucesso dos programas de imunização.

          Translated abstract

          The aim of this study was to assess influenza immunization coverage in the elderly and the association between vaccination and socioeconomic, demographic, health, and lifestyle variables, using a descriptive cross-sectional epidemiological approach from April 2008 to September 2009 with 990 elderly in Cambé, Paraná State, Brazil. Vaccination coverage was 74.6%. The highest vaccination rate was among individuals 70 to 79 years of age [adjusted prevalence ratio (PR) = 1.05] and 80 or older (PR = 1.03), with hypertension, and with monthly income up to 3 times the minimum wage (PR = 1.10) or higher (PR = 1.17) compared to elderly without income. Sedentary elderly (PR = 0.96) adhered less to vaccination, and divorced/separated individuals (PR = 0.92) had lower adherence compared to the married. The results suggest the need for healthcare strategies considering the factors that affect voluntary vaccination in order to help increase the odds of success for immunization programs.

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          A modified poisson regression approach to prospective studies with binary data.

          G Zou (2004)
          Relative risk is usually the parameter of interest in epidemiologic and medical studies. In this paper, the author proposes a modified Poisson regression approach (i.e., Poisson regression with a robust error variance) to estimate this effect measure directly. A simple 2-by-2 table is used to justify the validity of this approach. Results from a limited simulation study indicate that this approach is very reliable even with total sample sizes as small as 100. The method is illustrated with two data sets.
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            Validation of self-report of influenza and pneumococcal vaccination status in elderly outpatients.

            To assess the validity of self-reported influenza and pneumococcal vaccination status. Cross-sectional surveys of outpatients aged 65 years or older. A Veterans Affairs Medical Center (VA) and a community managed care organization (MCO). Both organizations have organized influenza and pneumococcal vaccination programs. VA subjects included all elderly respondents to a mailed survey of 500 randomly selected outpatients. MCO subjects included all respondents to a telephone survey of 300 randomly selected elderly members of the MCO. The VA survey was conducted following the 1995-1996 influenza season while the MCO survey was conducted following the 1994-1995 season. Self-report from the mailed survey for VA subjects and from the telephone survey for MCO subjects was compared to medical record documentation (paper and computerized combined). The response rate was 77% (n = 369) for the VA subjects of whom 195 (53%) were aged 65 or older. The response rate for the MCO subjects was 84% (n = 237). Self-report of influenza vaccination had a sensitivity (SENS) of 1.0 and a specificity (SPEC) of .79 with a kappa of .72 (95% CI .58-.86) among VA patients. Among MCO patients, self-report of influenza vaccination had a SENS of .98 and a SPEC of .71 with kappa of .75 (95% CI .69-.89). Self-report of pneumococcal vaccination status among VA patients had a SENS of .97 and a SPEC of .53 with a kappa of .42 (95% CI .32-.52). Among MCO patients, self-report of pneumococcal vaccination had a SENS of .90 and a SPEC of .64 with a kappa of .54 (95% CI .40-.68). A secondary analysis excluding subjects living outside of the VA's catchment area improved the specificity and indices of concordance of self-report of both influenza and pneumococcal vaccination. A secondary analysis of MCO data which excluded subjects who received a pneumococcal vaccination > 2 years prior to the study also improved concordance and the negative predictive value of self-report. Self-report of influenza vaccination is a highly sensitive and moderately specific measure. Self-report of pneumococcal vaccination is also a highly sensitive but less specific measure of vaccination status. Lower rates of validity for pneumococcal vaccination may reflect both less accurate recall, particularly for more distant vaccination, and less complete documentation in medical records.
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              Prevention and control of influenza with vaccines: recommendations of the Advisory Committee on Immunization Practices (ACIP), 2010.

              This report updates the 2009 recommendations by CDC's Advisory Committee on Immunization Practices (ACIP) regarding the use of influenza vaccine for the prevention and control of influenza (CDC. Prevention and control of influenza: recommendations of the Advisory Committee on Immunization Practices [ACIP]. MMWR 2009;58[No. RR-8] and CDC. Use of influenza A (H1N1) 2009 monovalent vaccine---recommendations of the Advisory Committee on Immunization Practices [ACIP], 2009. MMWR 2009;58:[No. RR-10]). The 2010 influenza recommendations include new and updated information. Highlights of the 2010 recommendations include 1) a recommendation that annual vaccination be administered to all persons aged >or=6 months for the 2010-11 influenza season; 2) a recommendation that children aged 6 months--8 years whose vaccination status is unknown or who have never received seasonal influenza vaccine before (or who received seasonal vaccine for the first time in 2009-10 but received only 1 dose in their first year of vaccination) as well as children who did not receive at least 1 dose of an influenza A (H1N1) 2009 monovalent vaccine regardless of previous influenza vaccine history should receive 2 doses of a 2010-11 seasonal influenza vaccine (minimum interval: 4 weeks) during the 2010--11 season; 3) a recommendation that vaccines containing the 2010-11 trivalent vaccine virus strains A/California/7/2009 (H1N1)-like (the same strain as was used for 2009 H1N1 monovalent vaccines), A/Perth/16/2009 (H3N2)-like, and B/Brisbane/60/2008-like antigens be used; 4) information about Fluzone High-Dose, a newly approved vaccine for persons aged >or=65 years; and 5) information about other standard-dose newly approved influenza vaccines and previously approved vaccines with expanded age indications. Vaccination efforts should begin as soon as the 2010-11 seasonal influenza vaccine is available and continue through the influenza season. These recommendations also include a summary of safety data for U.S.-licensed influenza vaccines. These recommendations and other information are available at CDC's influenza website (http://www.cdc.gov/flu); any updates or supplements that might be required during the 2010-11 influenza season also will be available at this website. Recommendations for influenza diagnosis and antiviral use will be published before the start of the 2010-11 influenza season. Vaccination and health-care providers should be alert to announcements of recommendation updates and should check the CDC influenza website periodically for additional information.
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                Author and article information

                Journal
                csp
                Cadernos de Saúde Pública
                Cad. Saúde Pública
                Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz (Rio de Janeiro, RJ, Brazil )
                0102-311X
                1678-4464
                May 2012
                : 28
                : 5
                : 878-888
                Affiliations
                [02] Curitiba orgnameUniversidade Tecnológica Federal do Paraná Brasil
                [01] Londrina orgnameUniversidade Norte do Paraná Brasil
                Article
                S0102-311X2012000500007 S0102-311X(12)02800507
                7013a847-e72d-4d3a-ae8f-ef1141a75ef2

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 21 June 2011
                : 21 December 2011
                : 26 January 2012
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 34, Pages: 11
                Product

                SciELO Brazil

                Self URI: Texto completo somente em PDF (PT)
                Categories
                Artigo

                Saúde do Idoso,Influenza Vaccines,Programas de Imunização,Vacinas Contra Influenza,Health of the Elderly,Immunization Programs

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