Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2022 Feb 1;182(2):235-237.
doi: 10.1001/jamainternmed.2021.7052.

Lottery-Based Incentives and COVID-19 Vaccination Rates in the US

Anica C Law  1 , Daniel Peterson  1 , Allan J Walkey  1 , Nicholas A Bosch  1
Affiliations

Lottery-Based Incentives and COVID-19 Vaccination Rates in the US

Anica C Law et al. JAMA Intern Med. .

Abstract

This cohort study examines changes in COVID-19 vaccination rates across US states with lottery-based vaccine incentives.

PubMed Disclaimer

Conflict of interest statement

Conflict of Interest Disclosures: Dr Law reported grants from the National Institutes of Health (NIH) during the conduct of the study. Dr Walkey reported grants from the NIH’s Community Engagement Alliance Against Covid-19 and Gilead Leveraging Informatics outside the submitted work. No other disclosures were reported.

Figures

Figure.
Figure.. Trends in Vaccination Rates Before and After Vaccine Lottery Announcements Among US States
The segmented regression lines show vaccination trends in the weeks before and after each state's vaccine lottery announcement (marked with the vertical black dotted line). The shaded areas represent 95% CIs. The blue line denotes vaccine rates in lottery states, whereas the orange line denotes vaccine rates in non–lottery states.
See this image and copyright information in PMC

References

    1. Ohio Department of Health . Governor DeWine announces vaccine incentives, end date for health orders. Accessed July 28, 2021. https://coronavirus.ohio.gov/wps/portal/gov/covid-19/resources/news-rele...
    1. Waldrop T, Riess R, Alonso M. New York and Maryland follow Ohio in creating Covid vaccine lottery. Accessed July 28, 2021. https://www.cnn.com/2021/05/20/us/covid-vaccine-lottery-new-york-marylan...
    1. Walkey AJ, Law A, Bosch NA. Lottery-based incentive in Ohio and COVID-19 vaccination rates. JAMA. 2021;326(8):766-767. Published online July 2, 2021. doi:10.1001/jama.2021.11048 - DOI - PMC - PubMed
    1. US Centers for Disease Control and Prevention . COVID-19 vaccinations in the United States. Accessed July 27, 2021. https://data.cdc.gov/Vaccinations/COVID-19-Vaccinations-in-the-United-St...
    1. Penfold RB, Zhang F. Use of interrupted time series analysis in evaluating health care quality improvements. Acad Pediatr. 2013;13(6)(suppl):S38-S44. doi:10.1016/j.acap.2013.08.002 - DOI - PubMed

Publication types

Substances