Pay-it-forward influenza vaccination among older adults and children: A cost-effectiveness analysis in China

Fanny Fong-Yi Tang, Priya Kosana, Mark Jit, Fern Terris-Prestholt, Dan Wu, Jason J Ong and Joseph D Tucker

PLOS Global Public Health, 2023, vol. 3, issue 8, 1-16

Abstract: A quasi-experimental study was conducted to evaluate the effectiveness of a pay-it-forward strategy for increasing influenza vaccination among children and older adults compared to a self-paid vaccination strategy in China. Pay-it-forward is an innovative community-engaged intervention in which participants receive a free influenza vaccination and are then asked if they would like to donate or create a message to support subsequent vaccinations. This economic evaluation used a decision-tree model to compare pay-it-forward to a standard of care arm in which patients had to pay for their own influenza vaccine. The analysis was performed from the healthcare provider perspective and costs were calculated with 2020 United States dollars. The time horizon was one year. In the base case analysis, pay-it-forward was more effective (111 vs 55 people vaccinated) but more costly than standard-of-care ($4477 vs $2725). Pay-it-forward spurred 96.4% (107/111) of individuals to voluntarily donate to support influenza vaccination for high-risk groups in China. Further costing and implementation research is needed to inform scale up.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pgph00:0001590

DOI: 10.1371/journal.pgph.0001590

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