Robert Weiss, PhD

Core Scientist, Methods Core


Robert E. Weiss, PhD, is Professor with tenure in the Department of Biostatistics in the UCLA School of Public Health and an elected fellow of the American Statistical Association.  His biostatistical research areas include (i) development of hierarchical regression models for discrete and continuous outcomes, (ii) modeling of discrete and continuous univariate and multivariate longitudinal data, (iii) Bayesian methodology and (iv) diagnostics and graphics.  He specializes in analysis of data on human behavior, particularly sex and drug behaviors and for HIV+ and HIV-at risk populations and is author of a textbook Modeling Longitudinal Data (2005) published by Springer-Verlag.  He teaches courses in longitudinal data, multivariate data analysis, Bayesian data analysis and statistical graphics.

FEATURED PUBLICATIONS:

1. Swendeman, D., Rotheram-Borus, M. J., Arnold, E. M., Fernández, M. I., Comulada, W. S., Lee, S. J., Ocasio, M. A., Ishimoto, K., Gertsch, W., Duan, N., Reback, C. J., Murphy, D. A., Lewis, K. A., & Adolescent HIV Medicine Trials Network (ATN) CARES Study Team (2024). Optimal strategies to improve uptake of and adherence to HIV prevention among young people at risk for HIV acquisition in the USA (ATN 149): a randomised, controlled, factorial trial. The Lancet. Digital health, 6(3), e187–e200. https://doi.org/10.1016/S2589-7500(23)00252-2


2. Li, M. J., Chau, B., Garland, W. H., Oksuzyan, S., Weiss, R. E., Takada, S., Kao, U., Lee, S. J., & Shoptaw, S. J. (2023). Racial, gender, and psychosocial disparities in viral suppression trends among people receiving coordinated HIV care in Los Angeles County. AIDS (London, England), 37(9), 1441–1449. https://doi.org/10.1097/QAD.0000000000003578


3. Rabie, S., Tomlinson, M., Almirol, E., Stewart, J., Skiti, Z., Weiss, R. E., Vogel, L., & Rotheram-Borus, M. J. (2023). Utilizing Soccer for Delivery of HIV and Substance Use Prevention for Young South African Men: 6-Month Outcomes of a Cluster Randomized Controlled Trial. AIDS and behavior, 27(3), 842–854. https://doi.org/10.1007/s10461-022-03819-x