Reminders, but not monetary incentives, increase COVID-19 booster uptake

被引：5
|
作者：
Chang, Tom Y. [1 ]
Jacobson, Mireille [2 ,3 ]
Shah, Manisha [4 ]
Kopetsky, Matthew [4 ,5 ]
Pramanik, Rajiv [4 ,5 ]
Shah, Samir B. [4 ,5 ]
机构：
[1] Univ Southern Calif, Dept Finance & Business Econ, Los Angeles, CA 90089 USA
[2] Univ Southern Calif, Leonard Davis Sch Gerontol, Los Angeles, CA 90089 USA
[3] Univ Southern Calif, Schaeffer Ctr Hlth Policy Econ, Los Angeles, CA 90089 USA
[4] Univ Calif Berkeley, Goldman Sch Publ Policy, Berkeley, CA 94720 USA
[5] Costa Hlth Serv, Costa Reg Med Ctr Hlth Ctr, Martinez, CA 94553 USA
来源：
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2023年 / 120卷 / 31期
关键词：
COVID-19; vaccination; booster; nudge; field experiment; INFLUENZA VACCINATION; INTENTIONS; SCIENCE;
D O I：
10.1073/pnas.2302725120
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Despite substantially decreasing the risk of hospitalization and death from COVID-19, COVID-19 booster vaccination rates remain low around the world. A key question for public health agencies is how to increase booster vaccination rates, particularly among high-risk groups. We conducted a large preregistered randomized controlled trial (with 57,893 study subjects) in a county health system in northern California to test the impact of personal reminder messages and small financial incentives of $25 on booster vaccination rates. We found that reminders increased booster vaccination rates within 2 wk by 0.86 percentage points (P = 0.000) or nearly 33% off the control mean of 2.65%. Monetary incentives had no additional impact on vaccination rates. The results highlight the potential of low-cost targeted messages, but not small financial incentives, to increase booster vaccination rates.
引用
收藏
页数：5
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