COVID-19: Interactive riskcommunication formats can help overcome vaccine hesitancy, finds study jamanetworkopen
In a study of 1255 unvaccinated, vaccine-hesitant adults, researchers at Charité-Universitätsmedizin Berlin and the Max Planck Institute for Human Development compared an interactive simulation of the benefits and harms of COVID-19 vaccination with a conventional text-based information format, and investigated the effects on participants' vaccination intentions and benefit-to-harm assessments.
The online study was conducted with 1255 adult residents of Germany at the peak of the omicron wave in spring 2022. The participants had not yet received a COVID-19 vaccination and expressed indecisiveness about whether they would get vaccinated in the future. Participants were asked about their satisfaction with the German government's COVID-19 containment measures, as well as for their subjective assessment of the benefit-to-harm ratio of COVID-19 vaccination.
The vaccine-hesitant participants indeed responded better to the interactive simulation. Significantly more participants presented with an interactive simulation showed positive change in both vaccination intention and benefit-to-harm assessment than did those presented with the same information in a conventional text-based format. The net advantage of the interactive simulation over the text-based format was 5.3 percentage points for vaccination intention and 18.
However, they were only half as likely to show positive change in vaccination intention. This finding suggests that mandatory vaccination can lead to positions becoming entrenched, with negative implications for the willingness to get vaccinated. The study's authors instead advocate for further investment in innovative, evidence-based risk communication concepts.
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