Background: Persons experiencing unstable housing – including recently arrived migrants – are at elevated risk of contracting COVID-19 and suffer from high morbidity and mortality. In this context, the COVID-19 vaccine was foreseen as a promising way to control the pandemic and reduce social inequalities in this area. Understanding the motives of COVID-19 vaccine acceptability in people with unstable housing, including migrants, is therefore crucial to tailor public health communication and outreach. Thus, the main objective of our study was to investigate - both quantitatively and qualitatively – the motivations behind vaccine hesitancy in people experiencing unstable housing when vaccines became available in France.Methods: A cross-sectional study was performed in Spring 2021, using convergent mixed-methods approach. Participants were recruited from homeless shelters and day centres and face-to-face interviews were offered, with help, where necessary, from phone-based interpreters. Factors associated with motives for COVID-19 vaccine hesitancy were explored using logistic regression models. Qualitative data – collected through semi-structured individual interviews - were analysed via an inductive thematic approach. Both quantitative and qualitative data were then integrated. Results: Vaccine hesitancy was found to be at an elevated rate (58.0%). The three most reported motives of hesitancy were related to COVID-19 vaccine effectiveness, safety, and trust in information about the vaccine. Factors of elevated hesitancy comprised the interviewees’ age, level of education, French-language aptitude, feeling of worry about COVID-19, and time of residence in France. Generic distrust in official information was a shared associated factor for the 3 motives of hesitancy. This result was expanded upon by the interview data where participants described having differential trust depending on who is recommending the vaccination. Another emerging key theme related to hopes that the vaccine would release them from the burden of the pandemic. Conclusions: Our mixed methods study provides a comprehensive understanding of COVID-19 vaccine hesitancy among persons with unstable housing in France in Spring 2021. Elevated levels of hesitancy remain a public health concern as “No one is safe until everyone is safe”. The already established role of trust in vaccine hesitancy is still to be adequately addressed as a potentially effective route of intervention.
IntroductionMigrant populations, including workers, undocumented migrants, asylum seekers, refugees, internationally displaced persons, and other populations on the move, are exposed to a variety of stressors and potentially traumatic events before, during, and after the migration process. In recent years, the COVID-19 pandemic has represented an additional stressor, especially for migrants on the move. As a consequence, migration may increase vulnerability of individuals toward a worsening of subjective wellbeing, quality of life, and mental health, which, in turn, may increase the risk of developing mental health conditions. Against this background, we designed a stepped-care programme consisting of two scalable psychological interventions developed by the World Health Organization and locally adapted for migrant populations. The effectiveness and cost-effectiveness of this stepped-care programme will be assessed in terms of mental health outcomes, resilience, wellbeing, and costs to healthcare systems.Methods and analysisWe present the study protocol for a pragmatic randomized study with a parallel-group design that will enroll participants with a migrant background and elevated level of psychological distress. Participants will be randomized to care as usual only or to care a usual plus a guided self-help stress management guide (Doing What Matters in Times of Stress, DWM) and a five-session cognitive behavioral intervention (Problem Management Plus, PM+). Participants will self-report all measures at baseline before random allocation, 2 weeks after DWM delivery, 1 week after PM+ delivery and 2 months after PM+ delivery. All participants will receive a single-session of a support intervention, namely Psychological First Aid. We will include 212 participants. An intention-to-treat analysis using linear mixed models will be conducted to explore the programme's effect on anxiety and depression symptoms, as measured by the Patient Health Questionnaire—Anxiety and Depression Scale summary score 2 months after PM+ delivery. Secondary outcomes include post-traumatic stress disorder symptoms, resilience, quality of life, resource utilization, cost, and cost-effectiveness.DiscussionThis study is the first randomized controlled trial that combines two World Health Organization psychological interventions tailored for migrant populations with an elevated level of psychological distress. The present study will make available DWM/PM+ packages adapted for remote delivery following a task-shifting approach, and will generate evidence to inform policy responses based on a more efficient use of resources for improving resilience, wellbeing and mental health.Clinical trial registrationClinicalTrials.gov, identifier: NCT04993534.
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