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Losing ground at the wrong time: Trends in self-reported influenza vaccination uptake in Switzerland, Heath Survey 2007-2017
Preprint
em Inglês
| medRxiv
| ID: ppmedrxiv-20123026
ABSTRACT
ObjectivesWe studied time trends in seasonal influenza vaccination and associations with socioeconomic and health-related determinants in Switzerland, overall and in people aged [≥] 65 years. DesignThree cross-sectional surveys. ParticipantsIndividuals who participated in the Swiss Health Surveys 2007, 2012, and 2017. We calculated the proportion reporting influenza vaccination in the last 12 months, and performed multivariable logistic regression analyses. ResultsThe proportion of reporting a history of influenza vaccination overall was 31.9% (95% confidence intervals [95% CI] 31.4-32.4); and dropped from 34.5% in 2007 to 28.8% in 2017. The uptake of vaccination within the past 12 months was 16% in 2007 and similar in 2012 and 2017 (around 14%). In people with chronic disease, uptake dropped from 43.8% in 2007 to 37.1% in 2012 and to 31.6% in 2017 (p<0.001). In people aged [≥] 65 years, uptake dropped from 47.8% in 2007 to 38.5% in 2012 to 36.2% in 2017 (p<0.001). Similarly, a decrease in vaccine uptake was seen in people with poor self-reported health status (39.4%, 33.1%, and 27.0%). In logistic regression, self-reported vaccination coverage decreased in the 65 to 75 years old (adjusted odds ratio (aOR) aOR 0.56, 95% Cl 0.48-0.66 between 2007 and 2012; aOR 0.89, 95% CI 0.77-1.03). Uptake was positively associated with the [≥] 65 age group, living in French-speaking and urban areas, history of smoking, bad self-reported health status, private/semiprivate health insurance, having a medical profession, and having any underlying chronic disease. Use of any alternative medicine therapy was negatively associated with influenza vaccination (aOR 0.72, 95% CI 0.67-0.80). ConclusionInfluenza vaccination coverage was low in older and chronically ill persons. Significant efforts are required in preparing for the flu season 2020/21 to reduce the double burden of COVID-19 and seasonal influenza. These efforts should include campaigns but also novel approaches using social media. Strengths and limitations of this studyO_LIData analysis of the Swiss Health Survey 2007, 2012, and 2017 focussing on influenza vaccine uptake overall and in the age group [≥]65 years in Switzerland. C_LIO_LIThe Swiss Health Survey is a nationwide, representative survey that is repeated every five years using the same methodology. C_LIO_LIAnalyses were weighted and adjusted for a wide range of important cofactors. C_LIO_LIWe calculated percent of people reporting having been vaccinated and associations between vaccination status and socio-demographic and health-related factors. C_LIO_LIInfluenza vaccination status is self-reported in the Swiss Health Survey and the reliability of the data not ascertained. C_LI
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Texto completo:
Disponível
Coleções:
Preprints
Base de dados:
medRxiv
Tipo de estudo:
Estudo observacional
/
Estudo prognóstico
/
Rct
Idioma:
Inglês
Ano de publicação:
2020
Tipo de documento:
Preprint