Preferential differences in vaccination decision-making for oneself or one's child in The Netherlands: a discrete choice experiment
Hoogink, Joram; Verelst, Frederik; Kessels, Roselinde; van Hoek, Albert Jan; Timen, Aura; Willem, Lander; Beutels, Philippe; Wallinga, Jacco; de Wit, G Ardine
(2020) BMC Public Health, volume 20, issue 1
(Article)
Abstract
BACKGROUND: To optimize the focus of future public information campaigns in The Netherlands promoting the uptake of vaccines among adults and children, we quantified the contribution of several attributes to the vaccination decision. METHOD: We performed a discrete choice experiment (DCE) among Dutch adults including six attributes, i.e. vaccine effectiveness,
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vaccine-preventable burden of disease (specified in severity and frequency), accessibility of vaccination in terms of co-payment and prescription requirements, frequency of mild side-effects, population-level vaccination coverage and local vaccination coverage among family and friends. Participants answered the DCE from their own perspective ('oneself' group) or with regard to a vaccine decision for their youngest child ('child' group). The data was analysed by means of panel mixed logit models. RESULTS: We included 1547 adult participants (825 'oneself' and 722 'child'). Vaccine effectiveness was the most important attribute in the 'oneself' group, followed by burden of disease (relative importance (RI) 78%) and accessibility (RI 76%). In the 'child' group, burden of disease was most important, but tied closely with vaccine effectiveness (RI 97%). Of less importance was the risk of mild vaccine-related side-effects and both population and local vaccination coverage. Interestingly, participants were more willing to vaccinate when uptake among the population or family and friends was high, indicating that social influence and social norms plays a role. CONCLUSIONS: Vaccine effectiveness and disease severity are key attributes in vaccination decision-making for adults making a decision for themselves and for parents who decide for their children. Hence, public information campaigns for both adult and child vaccination should primarily focus on these two attributes. In addition, reinforcing social norms may be considered.
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Keywords: Adult vaccination, Childhood vaccination, Decision-making, Discrete choice experiment, Vaccination behaviour, Public Health, Environmental and Occupational Health
ISSN: 1471-2458
Publisher: BioMed Central
Note: Funding Information: JH, GAdW, AJvH, AT and JW acknowledge support from the National Institute for Public Health and the Environment (RIVM). Data collection was funded by the Strategic Research Fund (SPR) of the RIVM (research project no. S/113003) and ZonMW (From individual perception of vaccination risk and benefits to compliance, costs and effects of vaccination programmes: a pilot study for influenza, HPV and measles”, project no. 522002008). FV, LW and RK acknowledge support from the Flemish Research Foundation (FWO): FV and LW from a research grant (no. G043815N) and RK from a postdoctoral fellowship. FV, LW and PB acknowledge support from the Antwerp Study Centre for Infectious Diseases (ASCID) and RK from the JMP Division of SAS Institute. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. Conflicts of interest: none. Publisher Copyright: © 2020 The Author(s). Copyright: Copyright 2020 Elsevier B.V., All rights reserved.
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