Research

Research interests

Missing data, causal inference, longitudinal data analysis, long-term effects of COVID-19, gestational diabetes, clinical effectiveness of type 2 diabetes treatment.

Featured Publications

Thaweethai T, …, Horwitz L, Foulkes AS, Levy, BD. Long COVID trajectories in the prospectively followed RECOVER-Adult US cohort. Nature Communications. 2025 Nov 17;16(1):9557. https://doi.org/10.1038/s41467-025-65239-4 (press: US News, HealthDay, Forbes)

Thaweethai T and Gross RS (co-first), …, Foulkes AS, Stockwell MS. Preventive effect of vaccination on long COVID in adolescents with SARS-CoV-2 infection. Vaccine. 2025 Oct 31;68:127907. doi: https://doi.org/10.1016/j.vaccine.2025.127907

Thaweethai T, …, Haneuse S. Adjusting for Selection Bias Due to Missing Data in Electronic Health Records-Based Research by Blending Multiple Imputation and Inverse Probability Weighting. Stat Med. 2025 Jul;44(15-17):e70151. https://doi.org/10.1002/sim.70151

Gross RS and Thaweethai T (co-first), …, Foulkes AS, Stockwell M. Characterizing Long COVID in Children and Adolescents. JAMA. Published online August 21, 2024. https://doi.org/10.1001/jama.2024.12747 (press: US News)

Thaweethai T, …, Florez JC, Powe CE. Distinct Insulin Physiology Trajectories in Euglycemic Pregnancy and Gestational Diabetes Mellitus. Diabetes Care. 2023 Dec 1;46(12):2137-2146. https://doi.org/10.2337/dc22-2226 

Thaweethai T, …, Horwitz L, Foulkes AS. Development of a Definition of Postacute Sequelae of SARS-CoV-2 Infection. JAMA. 2023 Jun 13;329(22):1934-1946. https://doi.org/10.1001/jama.2023.8823. (press: Washington Post, Los Angeles Times, PBS Newshour, NBC News, USA Today)

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