Porchia DD, Wang Y, Zhou Z, Chen M, Porges E, Cohen R, Ghare S, Barve S, Cook RL, Li Z* (2025) Cannabis use, microbial diversity, and Dialister abundance in older adults living with HIV: a cross-sectional study. HIV Medicine 

Armstrong M, LaBarre B, Sovich K, Maixner S, Paulson H, Manning C, Fields J, Lunde A, Forsberg L, Boeve B, Galvin J, Taylor A, Li Z* (2024) Patient- and Proxy-Reported Quality of Life in Advanced Dementia with Lewy Bodies. Altzheimer’s & Dementia: The Journal of the Alzheimer's Association 20(4):2719-2730

Armstrong M, Dai Y, Sovich K, LaBarre B, Paulson H, Maixner S, Fields J, Lunde A, Boeve B, Manning C, Galvin J, Taylor A, Li Z* (2024) Caregiver Experiences and Burden in Moderate-Advanced Dementia with Lewy Bodies. Neurology: Clinical Practice 14(3):e200292.doi: 10.1212/CPJ.0000000000200292 

Wu Q, Michael Daniels, Areej El-Jawahri, Marie Bakitas, Li Z* (2024) Joint modeling in presence of informative censoring in palliative care research. Biostatistics 25(3):754-768  (R package: https://github.com/quranwu/RetroJM) 

Jiang M, Seonjoo Lee, James O'Malley, Yaakov Stern, Li Z* (2023) Causal Mediation Analysis for Zero-Inflated Mediators. Statistics in Medicine 42(13):2061-2081 (R package: https://cran.r-project.org/web/packages/MAZE/index.html)

Wu Q, O’Malley J, Datta S, GharaiBeh RZ, Jobin C, Coker M, Hoen AG, Christensen BC, Madan JC, Karagas MR, Li Z* (2022) MarZIC: A Marginal mediation model for Zero-Inflated Compositional mediators with applications to microbiome data. Genes Vol 13 Issue 6 (R package:  https://github.com/quranwu/MarZIC)

Song S, Asken B, Armstrong M, Yang Y, Li Z*. (2023) Prediction of AD Dementia Onset Using the Random Survival Forest. Journal of Alzheimer’s Disease 2023;95(2):535-548 

Armstrong M, Song S, Kurasz A, Li Z* (2022) Predictors of Mortality in Individuals with Dementia in the National Alzheimer’s Coordinating Center. Journal of Alzheimer’s Disease 86(4): 1935–1946. 

Li Z,Tian L, O'Malley J, Karagas M, Hoen A, Christensen B, Madan J, Wu Q, Gharaibeh R, Jobin C, Li H (2021) IFAA: Robust association identification and Inference For Absolute Abundance in microbiome analyses. Journal of the American Statistical Association 116(536):1595-1608 (R package: https://github.com/gitlzg/IFAA or https://www.bioconductor.org/packages/release/bioc/html/IFAA.html) 

Li Z, Lee K, Karagas M, Madan J, Hoen A, O’Malley J and Li H (2018 ) Conditional regression based on a multivariate zero-inflated logistic normal model for modeling microbiome data. Statistics in Biosciences  10(3):587-608  (R package: https://github.com/gitlzg/IFAA)

Li Z, H. R. Frost, Torsten, Zhao L, Liu L, Lyons K, Chen H, Cole B, Currow D, Bakitas M (2017) A Semiparametric Joint Model for Terminal Trend of Quality of Life and Survival in Palliative Care Research. Statistics in Medicine 36(29):4692-4704 

El-Jawahri A, Traeger L, Greer JA, Vandusen H, Fishman SR, LeBlanc TW, Pirl WF,  Jackson VA, Telles J, Rhodes A, Li Z, Spitzer TR, McAfee S, Chen YA and Temel JS (2017) Effect of Inpatient Palliative Care during Hematopoietic Stem Cell Transplant (HCT) on Psychological Distress Six Months Post-Transplant: Results of a Randomized Clinical Trial. Journal of Clinical Oncology  35(32):3714-3721 

Temel JS, Greer JA, El-Jawahri A, Pirl WF, Park ER, Jackson VA, Back AL, Kamdar M, Jacobsen J, Chittenden EH, Rinaldi SP, Gallagher ER, Eusebio JR, Li Z, Muzikansky A, Ryan DP (2017) Effects of Early Integrated Palliative Care in Patients with Lung and Gastrointestinal Cancer: A Randomized Clinical Trial. Journal of Clinical Oncology 35(8):834-841

Vergo M, Whyman J, Li Z, Kestel J, James SL, Rector C, Salsman J (2017) Assessing preparatory grief in advanced cancer patients as an independent predictor of distress in an American population. Journal of Palliative Medicine  20(1):48-52.

Bakitas MA, Torsten TD, Li Z, Lyons K, Hull J, Li Zho, Dionne-Odom JN, Frost J, Dragnev K, Hegel M, Azuero A and Ahles T  (2015) Early Versus Delayed Initiation of Concurrent Palliative Oncology Care: Patient Outcomes in the ENABLE III Randomized Controlled Trial. Journal of Clinical Oncology 33(13):1438-45

Li Z, McKeague IW and Lumey LH (2014) Optimal Design Strategies for Sibling Studies with Binary Exposures. The International Journal of Biostatistics 10:185-96 

Li Z, Torsten TD and Bakitas M (2013) Joint Modeling Quality of Life and Survival Using a Terminal Decline Model in Palliative Care Studies. Statistics in Medicine 32(8):1394-406

Li Z and McKeague IW (2013) Power and sample size calculations for generalized estimating equations via local asymptotics. Statistica Sinica  23, 231-250