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Dr Yongjin Choi

Research Fellow

United Kingdom

I am a Postdoctoral Research Fellow at the Vaccine Confidence Project. My recent works focus on exploring global surveys to identify historical and socio-political roots of vaccine hesitancy in low- and middle-income countries, combining novel statistical modelling and survey experiments. I hold a Ph.D. in Public Policy from University at Albany, State University of New York, M.A in Public Policy from Seoul National University, and B.A. in Public Administration from Kookmin University.

 

In addition to vaccine confidence research, I have also worked on developing predictive models using machine learning and large-scale public datasets to predict low birth weight and preterm birth.

 

I has won several prestigious awards, including the 2022 Dissertation Award from the Network of Schools of Public Policy, Affairs, and Administration (NASPAA), with the dissertation titled: “Policy Side Effects: How Do Policies Become a Source of Social Problems?”, the 2022 Harold D. Lasswell Prize from Policy Sciences, and 2023 Editor's top picks by Health Affairs.

Affiliations

Department of Infectious Disease Epidemiology and Dynamics
Faculty of Epidemiology and Population Health

Teaching

  • Statistics for Health Data Science
  • Machine Learning

Research

  • Vaccination
  • Health behaviours, Social/political determinants of health
  • Global health
  • Health policy
  • Policy analysis
  • Policy process
  • Evidence-based policy
  • Preterm birth prediction
  • Survey experiment
  • Causal inference
  • Machine learning

Selected Publications

Identifying vaccine-hesitant subgroups in the Western Pacific using latent class analysis.
CHOI, Y; Leung, K; Wu, JT; LARSON, HJ; LIN, L;
2025
NPJ vaccines
Identifying Vaccine-hesitant Subgroups in the Western Pacific: A Latent Class Analysis
CHOI, Y; Leung, K; Wu, J; Lin, L; LARSON, H;
2023
Research Square
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