Xiaoxuan (Tracy) Cai

Xiaoxuan (Tracy) Cai

Assistant Professor
Department of Statistics
Ohio State University

Publications

Working Papers

Submitted

  1. Xiaoxuan Cai, Eben Kenah, and Forrest W. Crawford (2020) Causal identification of infectious disease intervention effects in a clustered population. Submitted [paper]

  2. Xiaoxuan Cai, Xinru Wang, Li Zeng, Lisa Dixon, Justin T. Baker, Jukka-Pekka Onnela, Linda Valeri (2021) State space model multiple imputation for missing data in non-stationary multivariate time series. submitted [paper]

  3. Xiaoxuan Cai, Charlotte Fowler, Li Zeng, Habiballah Rahimi Eichi, Dost Ongur, Lisa Dixon, Justin T. Baker, Jukka-Pekka Onnela, Linda Valeri. (2025) Missing data in non-stationary multivariate time series from digital studies in Psychiatry. Submitted to Biometrics. [paper]

  4. Charlotte R. Fowler, Xiaoxuan Cai, Hahihallah Rahimi-Eichi, Lisa Dixon, Dost Ongur, Justin T. Baker, Jukka-Pekka Onnela, Linda Valeri (2025). Individual causal effect estimation accounting for latent disease state modification among bipolar participants in mobile health studies. Submitted. [paper]

Peer-reviewed publication.

  1. Xiaoxuan Cai , Wen Wei Loh, and Forrest W. Crawford. (2021) Identification of Causal intervention effects under contagion. Journal of Causal Inference, 9, 9-38. (Winner of best paper award, ASA Section on Statistics in Epidemiology) [paper]

  2. Linda Valeri, Xiaoxuan Cai, Habiballah Rahimi Eichi, Einat Liebenthal, Scott Rauch, Dost Ongur, Russell Schutt, Lisa Dixon, Justin Baker, Jukka-Pekka Onnela (2024). Smartphone-based markers of social networks in schizophrenia and bipolar disorder. NPP-Digital Psychiatry and Neuroscience. [paper]

  3. Charlotte Fowler, Xiaoxuan Cai, Justin Baker, Jukka-Pekka Onnela, and Linda Valeri (2022). Testing unit root non-stationarity in the presence of missing data in univariate time series of mobile health studies. Journal of the Royal Statistical Society Series C: Applied Statistics, 73(3): 755-733 [paper]

  4. Junzhe Shao, Mingzhang Yin, Xiaoxuan Cai, Linda Valeri (2022). Generalized synthetic control method with state space model. NeurIPS 2022 Workshop on Causality for Real-world Impact [paper]

  5. Aubrey M. Moe, Xiaoxuan Cai, Chenze Li, Healther M. Wastler. (2025) Perceived Burdensomeness and Influence of Thwarted Belongingness Prospectively influence Real-World Support-Seeking Behavior Among Emerging Adults with First-Episode Psychosis. Schizophrenia Research, 285: 228-294. [paper]

  6. Melanie L. Bozzay, Xiaoxuan Cai, Jiaxin Chen, Samantha Daruwala, Lauren Khazem, Heather M. Wastler, Nicholas P. Allan, Annabelle O. Bryan, Craig J. Bryan (2025). Comparing the Impacts of Crisis Response Plan and Self-Administered Safety Plan Use in Real Life on Key Clinical Outcomes. Suicide and Life-Threatening Behavior 55, no. 5: e70050. [paper]

  7. Xiaoxuan Cai, Charlotte Fowler, Li Zeng, Lisa Dixon, Dost Ongur, Justin T. Baker, Jukka-Pekka Onnela, Linda Valeri.(2024) Causal estimands and identification of time-varying effects in non-stationary time series from N-of-1 mobile device data. Accepted by Biostatistics on Oct 2025. [paper]

Other

  1. Regina Melendes, Xiaoxuan Cai, Cristine Hine, et al. (2015) Correlates of Cocaine Use in Pregnancy. Yale Medicine Thesis Digital Library