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; Joseph D. Tucker

doi:10.1371/journal.pgph.0001590

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, Joseph D. Tucker

Melbourne Sexual Health Centre

Research output: Contribution to journal › Article › Research › peer-review

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.

Original language	English
Article number	e0001590
Number of pages	16
Journal	PLOS Global Public Health
Volume	3
Issue number	8
DOIs	https://doi.org/10.1371/journal.pgph.0001590
Publication status	Published - Aug 2023

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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.",

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AU - Tucker, Joseph D.

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

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