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Clinical Trial Summary

The COVID-19 pandemic has led to a mis/disinformation ecosystem that promotes divergent views of vaccine efficacy, as well as the legitimacy of science and medicine. Individuals are confronted with vaccine-related information from a multitude of sources, posing a challenge to identifying inaccurate information. COVID-19 vaccine uptake is lower among people with anxiety and depression than in the general population, due in part to higher levels of vaccine hesitancy. The prevalence of anxiety and depressive symptoms among US adults increased significantly during the COVID pandemic and has remained elevated. Interventions capable of mitigating the impact of vaccine hesitancy and mis/disinformation among undervaccinated people with anxiety or depression are therefore an urgent priority. Emerging evidence suggests that reasons for vaccine hesitancy and the impact of conventional vaccination messaging differ between those with and without mental health symptoms. There may also be added challenges overcoming logistical barriers to vaccination for people with anxiety or depressive symptoms. The investigators aim to determine the effectiveness of two different brief digital intervention strategies compared with conventional public health messaging for increasing vaccine uptake in undervaccinated adults with and without anxiety or depressive symptoms. Attitudinal inoculation is a brief, scalable strategy that leverages the power of narrative, values, and emotion to strengthen resistance to mis/disinformation and reduce hesitancy. Though this approach has been shown to decrease COVID-19 vaccine hesitancy among US adults, the extent to which this approach increases COVID-19 vaccination remains unknown. Cognitive-behavioral therapy (CBT) is an evidence-based intervention for anxiety and depression. However, the efficacy of incorporating CBT-informed messaging in a vaccine promotion intervention has not been tested. The investigators hypothesize that both attitudinal inoculation and CBT-style communication will be more effective than conventional public health messaging to increase COVID-19 vaccination. The investigators also hypothesize that the CBT-informed intervention will be more effective than the attitudinal inoculation intervention for increasing COVID-19 vaccination among participants with symptoms of anxiety or depression.

Clinical Trial Description

The project will recruit undervaccinated participants with and without symptoms of anxiety or depression from the CHASING COVID Cohort, a large and geographically diverse community-based US cohort, to tailor and test the effectiveness of two brief digital interventions to increase vaccine uptake among adults with anxiety or depressive symptoms. The investigators will assign undervaccinated cohort participants, with and without symptoms of anxiety or depression, to: 1) an attitudinal inoculation intervention; 2), a CBT-informed intervention; or 3) a conventional public health messaging intervention without attitudinal inoculation or CBT-informed content. The investigators will examine the outcome of COVID-19 vaccination at 4 weeks post-intervention, conducting intent-to-treat comparisons between arms. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT06119854
Study type Interventional
Source City University of New York, School of Public Health
Contact Denis Nash, PhD
Phone 718-530-0684
Status Not yet recruiting
Phase N/A
Start date December 2023
Completion date August 2024

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