Abstract
Objective
To identify the sociodemographic, health and knowledge factors related to the adherence to influenza vaccination in older adults in 2019, in a municipality of the state of Mato Grosso do Sul, Brazil.
Methods
This is a quantitative and cross-sectional study, carried out with 172 older adults users of health and coexistence services. A questionnaire was applied that covered sociodemographic, health and knowledge about vaccination issues, in addition to vaccination adherence in the 2019 campaign. Log-linear regression and Bayesian networks were used to analyze the data.
Results
There was a predominance of women, with a partner, between 60-69 years of age and elementary school. The adherence rate was 91.28% in 2019. Older adults with neuropsychiatric diseases, who used to get the vaccine annually and who had gotten it in the years of 2018, 2016 and 2015 had a higher prevalence of adherence to influenza vaccination in 2019. Bayesian networks to the adherence to influenza vaccination in 2019 showed that knowing that the National Immunization Program exists leads to trust in it, which leads the older adults to get the vaccine annually.
Conclusion
Health professionals and the media must provide valid information so that people know and trust the National Immunization Program. The work of guiding older people about vaccination against influenza should be annual, as it is important that older adults are vaccinated every year to maintain vaccine adherence.
Keywords
Vaccination Coverage; Epidemiologic Factors; Aged; Influenza Vaccines
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