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Prevalence of influenza and adherence to the anti-flu vaccination among elderly.

Identifieur interne : 000202 ( Main/Exploration ); précédent : 000201; suivant : 000203

Prevalence of influenza and adherence to the anti-flu vaccination among elderly.

Auteurs : Eduardo Yukio Nakamura [Brésil] ; Luane Marques De Mello ; Anderson Soares Da Silva ; Altacílio Aparecido Nunes

Source :

RBID : pubmed:23295866

Descripteurs français

English descriptors

Abstract

INTRODUCTION

The flu, a condition that can affect the elderly by increasing the risk of serious complications can be prevented through vaccination. Estimate the prevalence of signs and symptoms suggestive of influenza in a group of elderly either vaccinated or unvaccinated against influenza was the objective this study.

METHODS

This is a cross-sectional study performed in a Brazilian City. A structured questionnaire was employed to identify the presence of signs and symptoms of influenza in individuals aged 60 years or over. For analysis of associations between variables the prevalence ratio (PR) and its 95% confidence interval (95% CI) were used.

RESULTS

One hundred ninety-six participants were interviewed, of whom 57.7% were female. The average age was 69.7 years. About 25% of the vaccinated and 20% of the unvaccinated in 2009, and 25% of the vaccinated and 22.5% of the unvaccinated in 2010 reported having the flu. Among the vaccinated and unvaccinated in 2009 and 2010, there was no verified association between vaccination and influenza (PR=1.24; [95% CI: 0.63-2.43] and PR=1.11; [95% CI: 0.59-2.09], respectively).

CONCLUSIONS

This study suggests that, among the elderly selected, the vaccination coverage for influenza is below the ideal, even with projection of the best indices for 2011 (~ 84%). The data on vaccination and disease protection needs further research; however, the results point to the need for measures to better clarify to this population about the disease, its complications and the benefits of vaccination, in addition to combatting the stigma related to low adherence.


DOI: 10.1590/s0037-86822012000600003
PubMed: 23295866


Affiliations:


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Le document en format XML

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<nlm:affiliation>Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP.</nlm:affiliation>
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<name sortKey="Mello, Luane Marques De" sort="Mello, Luane Marques De" uniqKey="Mello L" first="Luane Marques De" last="Mello">Luane Marques De Mello</name>
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<name sortKey="Silva, Anderson Soares Da" sort="Silva, Anderson Soares Da" uniqKey="Silva A" first="Anderson Soares Da" last="Silva">Anderson Soares Da Silva</name>
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<name sortKey="Nunes, Altacilio Aparecido" sort="Nunes, Altacilio Aparecido" uniqKey="Nunes A" first="Altacílio Aparecido" last="Nunes">Altacílio Aparecido Nunes</name>
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<term>Cross-Sectional Studies (MeSH)</term>
<term>Female (MeSH)</term>
<term>Humans (MeSH)</term>
<term>Influenza Vaccines (therapeutic use)</term>
<term>Influenza, Human (epidemiology)</term>
<term>Influenza, Human (prevention & control)</term>
<term>Male (MeSH)</term>
<term>Middle Aged (MeSH)</term>
<term>Patient Compliance (statistics & numerical data)</term>
<term>Socioeconomic Factors (MeSH)</term>
<term>Surveys and Questionnaires (MeSH)</term>
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<term>Adulte d'âge moyen (MeSH)</term>
<term>Brésil (épidémiologie)</term>
<term>Enquêtes et questionnaires (MeSH)</term>
<term>Facteurs socioéconomiques (MeSH)</term>
<term>Femelle (MeSH)</term>
<term>Grippe humaine (prévention et contrôle)</term>
<term>Grippe humaine (épidémiologie)</term>
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<term>Sujet âgé de 80 ans ou plus (MeSH)</term>
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<b>INTRODUCTION</b>
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<p>The flu, a condition that can affect the elderly by increasing the risk of serious complications can be prevented through vaccination. Estimate the prevalence of signs and symptoms suggestive of influenza in a group of elderly either vaccinated or unvaccinated against influenza was the objective this study.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>METHODS</b>
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<p>This is a cross-sectional study performed in a Brazilian City. A structured questionnaire was employed to identify the presence of signs and symptoms of influenza in individuals aged 60 years or over. For analysis of associations between variables the prevalence ratio (PR) and its 95% confidence interval (95% CI) were used.</p>
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<div type="abstract" xml:lang="en">
<p>
<b>RESULTS</b>
</p>
<p>One hundred ninety-six participants were interviewed, of whom 57.7% were female. The average age was 69.7 years. About 25% of the vaccinated and 20% of the unvaccinated in 2009, and 25% of the vaccinated and 22.5% of the unvaccinated in 2010 reported having the flu. Among the vaccinated and unvaccinated in 2009 and 2010, there was no verified association between vaccination and influenza (PR=1.24; [95% CI: 0.63-2.43] and PR=1.11; [95% CI: 0.59-2.09], respectively).</p>
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<p>
<b>CONCLUSIONS</b>
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<p>This study suggests that, among the elderly selected, the vaccination coverage for influenza is below the ideal, even with projection of the best indices for 2011 (~ 84%). The data on vaccination and disease protection needs further research; however, the results point to the need for measures to better clarify to this population about the disease, its complications and the benefits of vaccination, in addition to combatting the stigma related to low adherence.</p>
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