Financial Incentives for COVID-19 Vaccination: A Cluster Randomized Clinical Trial.

ABSTRACT:

Importance

Prior studies found that financial incentives have small, positive direct effects in increasing COVID-19 vaccination rates, but unmeasured social spillovers (ie, changes in outcomes among untreated individuals who are socially exposed to policy beneficiaries) may diminish the overall effect of such policies.

Objective

To assess the spillover effects of a COVID-19 vaccination financial incentive and assess whether incorporating estimates of spillover meaningfully affects broader evaluations of policy effectiveness.

Design, setting, and participants

This population-level, address-cluster randomized clinical trial was conducted in November 2021. Participants were all adult (aged ≥18 years) residents of Ravensburg, Germany, who were randomly assigned to the tre

SUBMITTER: Ternovski J 

PROVIDER: S-EPMC11806395 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature