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Reasons for non-uptake of Influenza Vaccination: comparison between high-risk and non-high risk groups in the Portuguese population

2023-05-05Conference object Restricted access
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dc.contributor.authorSantos, Ana João
dc.contributor.authorKislaya, Irina
dc.contributor.authorMachado, Ausenda
dc.contributor.authorMatias, Carlos Matias
dc.contributor.authorNeto, Mariana
dc.date.accessioned2024-02-27T18:03:29Z
dc.date.available2024-02-27T18:03:29Z
dc.date.issued2023-05-05
dc.descriptionAbstract publicado em: Popul Med. 2023;5(Suppl):A2011. https://doi.org/10.18332/popmed/163763pt_PT
dc.description.abstractBackground & objective: In Portugal, the Influenza Vaccine (IV) coverage remains bellow the coverage goals proposed by the European Union. Understanding motives for IV non-uptake, particularly for high-risk groups is essential for intervention purposes. The Health Belief Model (HBM) has been one of the most used theoretical frameworks to understand vaccination. This study aims to describe the Portuguese non-uptake and differences between HBM dimensions (susceptibility, severity, benefits, barriers and cues for action) frequency for high-risk and non-high-risk groups. Methods: A cross-sectional study was developed using the panel of families, a probabilistic dual-sampling frame telephone household panel of Portugal. The survey was conducted between June and September 2021-2013, with data collected by questionnaire applied to one element of each household unit with 18+ years (n=1050). Content thematic analysis was conducted in one open question about the reasons for IV non-uptake and included in HBM dimensions. Statistical analysis focused on estimating non-adherence to IV and frequency of the HBM categories stratified by target group recommended for vaccination. Results were weighted by age group and region Results: The response rate was 68%. Of the total sample (n=1050), 671 individuals did not uptake the IV (69.3%, CI95%:64.8-73.5). For the population recommended for the IV, non-uptake was 49.8 (CI95%:43.6-55.9). The perception of low Susceptibility was more common in individuals who did not belong to the target group (74%, CI95%:63.4-82.3 vs. 26%, CI95%:17.7-36.6). By contrast, the Barriers dimension was more frequently mentioned by the target population (45%, CI95%:32.4-58.2 vs. 55%, CI95%:41.8-67.6), namely due to unavailability of stock. Conclusion: IV non-uptake was lower for high-risk group of the Portuguese population, compared to the general population. Differences between the reasons not to take the IV, suggest that the group to whom the IV is recommended, due to increased risk of complications, is aware of increased susceptibility. Overall, these results indicate that vaccination campaign seem to be successfully targeting high-risk group, even then efforts need to be maintained to decrease non-uptake.pt_PT
dc.description.versionN/Apt_PT
dc.identifier.urihttp://hdl.handle.net/10400.18/9157
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherInstituto Nacional de Saúde Doutor Ricardo Jorge, IPpt_PT
dc.subjectInfluenzapt_PT
dc.subjectVaccinept_PT
dc.subjectHigh-risk Grouppt_PT
dc.subjectGripept_PT
dc.subjectVacina da Gripept_PT
dc.subjectRazões para não Toma da Vacincapt_PT
dc.subjectGrupos de Riscopt_PT
dc.subjectDeterminantes da Saúde e da Doençapt_PT
dc.subjectPortugalpt_PT
dc.titleReasons for non-uptake of Influenza Vaccination: comparison between high-risk and non-high risk groups in the Portuguese populationpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceRoma, Itáliapt_PT
oaire.citation.title17th World Congress on Public Health, 2- 6 May 2023pt_PT
person.familyNameCarvalho da Silva Santos
person.familyNameKislaya
person.familyNameMachado
person.familyNameMatias
person.familyNameNeto
person.givenNameAna João
person.givenNameIrina
person.givenNameAusenda
person.givenNameCarlos
person.givenNameMariana
person.identifier.ciencia-id7E12-E842-1216
person.identifier.ciencia-idA815-4295-F91D
person.identifier.ciencia-id1217-6076-5D88
person.identifier.ciencia-id901C-142F-15DC
person.identifier.orcid0000-0003-0556-5513
person.identifier.orcid0000-0001-5772-2416
person.identifier.orcid0000-0002-1849-1499
person.identifier.orcid0000-0001-6219-5649
person.identifier.orcid0000-0001-7475-8736
person.identifier.ridE-7811-2015
person.identifier.scopus-author-id56442728800
person.identifier.scopus-author-id6701737348
rcaap.rightsclosedAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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