Evaluating the importance of policy amenable factors in explaining influenza vaccination: a cross-sectional multinational study
AuthorWheelock, A; Miraldo, M; Thomson, A; Vincent, C; Sevdalis, N
Source TitleBMJ Open
PublisherBMJ PUBLISHING GROUP
University of Melbourne Author/sSevdalis, Nick
AffiliationSurgery (Austin & Northern Health)
Document TypeJournal Article
CitationsWheelock, A., Miraldo, M., Thomson, A., Vincent, C. & Sevdalis, N. (2017). Evaluating the importance of policy amenable factors in explaining influenza vaccination: a cross-sectional multinational study. BMJ OPEN, 7 (7), https://doi.org/10.1136/bmjopen-2016-014668.
Access StatusOpen Access
OBJECTIVES: Despite continuous efforts to improve influenza vaccination coverage, uptake among high-risk groups remains suboptimal. We aimed to identify policy amenable factors associated with vaccination and to measure their importance in order to assist in the monitoring of vaccination sentiment and the design of communication strategies and interventions to improve vaccination rates. SETTING: The USA, the UK and France. PARTICIPANTS: A total of 2412 participants were surveyed across the three countries. OUTCOME MEASURES: Self-reported influenza vaccination. METHODS: Between March and April 2014, a stratified random sampling strategy was employed with the aim of obtaining nationally representative samples in the USA, the UK and France through online databases and random-digit dialling. Participants were asked about vaccination practices, perceptions and feelings. Multivariable logistic regression was used to identify factors associated with past influenza vaccination. RESULTS: The models were able to explain 64%-80% of the variance in vaccination behaviour. Overall, sociopsychological variables, which are inherently amenable to policy, were better at explaining past vaccination behaviour than demographic, socioeconomic and health variables. Explanatory variables included social influence (physician), influenza and vaccine risk perceptions and traumatic childhood experiences. CONCLUSIONS: Our results indicate that evidence-based sociopsychological items should be considered for inclusion into national immunisation surveys to gauge the public's views, identify emerging concerns and thus proactively and opportunely address potential barriers and harness vaccination drivers.
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