Assessing vaccine hesitancy and vaccine literacy among the European prison population and staff: A multicentre observational study.

Vaccination is the most efficient and cost-effective public health intervention. Prison population, for its low social distancing, constant turnover, and high percentage of migrants, should be an important target of vaccination campaign. However, vaccination coverage in prison is low. In this study we estimated vaccine hesitancy and vaccine literacy among the prison population and staff and assessed their correlation. We conducted a cross-sectional study in 13 prisons of 4 European countries. The sample included 847 people living in prison and 755 staff members. Through a structured questionnaire we assessed vaccine hesitancy, vaccine literacy, general health literacy, previous vaccine refusal and socio-demographic characteristics of participants. Exploratory factor analysis was used to extract three components of vaccine hesitancy. Logistic regression was applied to assess the association between previous vaccine refusal and vaccine hesitancy; linear regression was applied to assess the association between vaccine hesitancy and vaccine and general health literacy. All analyses were adjusted for socio-demographic variables. We identified three components of vaccine hesitancy explaining 49% of the total variance:

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.