Skip to main content
Explore URMC


Wan Tang, PhD

Research Associate Professor of Biostatistics
Ph.D. (2004) University of Rochester

Contact Information

University of Rochester
Dept of Biostatistics and Computational Biology
265 Crittenden Boulevard, CU 420630 
Rochester, New York 14642-0630
Office: Saunders Research Building 4237
Phone: (585) 275-1276
Fax: (585) 273-1031

Data and Programming for Applied Categorical and Count Data Analysis

Research Interests

  • Longitudinal data analysis
  • Missing data modeling
  • Structural equation models
  • Smoothing methods

Selected Publications

  • Gunzler, D., Tang, W., Lu, N., Wu, P. and Tu, X.M. A Class of Distribution-free Models for Longitudinal Mediation Analysis, Psychometrika, in press.
  • Wilde, M., McMahon, J., McDonald, M., Tang, W., Wang, W., Brasch, J., Fairbanks, E., Shah, S., Zhang, F. and (Din) Chen, D.-G.  A Randomized Trial of a Self-Management Intervention in Long-Term Indwelling Urinary Catheter Users, Nursing Research, in press.
  • O'Connor, T., Tang, W., Gilchrist, M., Moynihan, J., Pressman, E. and Robertson Blackmore, E.  Diurnal Cortisol Patterns and Psychiatric Symptoms in Pregnancy: Short-term Longitudinal Study, Biological Psychology, 2014, 96:35–41.
  • Crits-Christoph, P., Gallop, R., Sadicario, J.S., Calsyn, D.A., Tross, S., Tang, W., Tu, X.M., Woody, G., and He, H., Predictors and moderators of outcomes of HIV/STD safer sex skills groups in substance abuse treatment programs, a pooled analysis of two randomized controlled trials,  Substance Abuse Treatment, Prevention, and Policy, 9 (1): 3, 2014.
  • He, H., Tang, W., Zuo, G. Statistical Inference in Partial Linear Model with Double Smoothing Local Linear Regression Method, Journal of Statistical Planning and Inference, 2014, 146 (1):102-112.
  • Chen, D.-G., Lin, F., Chen, X., Tang, W. and Kitzman, H. Cusp Catastrophe Model: A Nonlinear Model for Health Outcomes in Nursing Research, Nursing Research, 2014 63(3):211-20.
  • Wilde, M., McDonald, M., Brasch, J., McMahon, J., Fairbanks, E., Shah, S., Tang, W., and Scheid, E. Long-term Urinary Catheter Users Self-Care Practices and Problems, Journal of Clinical Nursing, 2013, 22(3-4):356-367.
  • Yu, Q., Chen, R., Tang, W., He, H., Gallop, R., Crits-Christoph, P., Hu, J. and Tu, X.M. Distribution-free Models for Longitudinal Count Responses with Overdispersion and Structural Zeros, Statistics in Medicine, 2013, 32(14):2390-2405.
  • Robertson-Blackmore, E., Rubinow, D., O’Connor, T., Liu, X., Tang, W., Craddock, N. and Jones, I. Reproductive Outcomes and Risk of Subsequent Illness in Women Diagnosed with Postpartum Psychosis, Bipolar disorders, 2013, 15:394-404.
  • Tang, W., He, H. and Gunzler, D.  Kernel Smoothing Density Estimation when Group Membership is Subject to Missing, Journal of Statistical Planning and Inference, 2012, 142:685-694.
  • Brown, M., Tang, W., Patel, A. and Baumhauer, J. Partial Foot Amputations in Patients with Diabetic Foot Ulcers, Foot & Ankle International, 2012, 33(8):707-716.
  • Tang, W., Zuo, G. and He, H. Double-smoothing for Bias Reduction in Varying Coefficient Models, Journal of Nonparametric Statistics, 2011, 23:917-926.
  • Conner, K., Gunzler, D., Tang, W., Tu, X. and Maisto, S. Test of a Clinical Model of Drinking and Suicidal Risk, Alcoholism: Clinical and Experimental Research, 2011, 35(1):60-68.
  • Robertson-Blackmore, E., Côté-Arsenault, D., Tang, W., Glover, V., Evans, J. Golding, J. and O’Conner, T. Previous prenatal loss as a predictor of perinatal depression and anxiety, British Journal of Psychiatry, 2011, 198(5):373-378.
  • Cerulli, C., Talbot, N., Tang, W. and Chaudron, L. Co-Occurring Intimate Partner Violence and Mental Health Diagnoses in Perinatal Women, Journal of Women’s Health, 2011, 20(12):1797-1803.
  • Privitera, M., Moynihan, J., Tang, W. and Khan, A. Light Therapy for Seasonal Affective Disorder in a Clinical Office Setting, Journal of Psychiatric Practice, 2010 Nov, 16(6):387-393.
  • Ma, Y., Tang, W. and Tu, X. Modeling Concordance Correlation Coefficient for Longitudinal Study Data, Psychometrika, 2010, 75:99-119.
  • Yu, Q., Tang, W., Marcus, S., Ma, Y., Zhang, H. and Tu, X.M. Modeling Sensitivity and Specificity with a Time-varying Reference Standard within a Longitudinal Setting, Journal of Applied Statistics, 37:1213-1230, 2010.
  • Grabovich, A., Lu, N., Tang, W., Tu, X. and Lyness J. Outcomes of Subsyndromal Depression in Older Primary Care Patients, Am. J Geriatric Psychiatry, 2010, 18(3):227-235.
  • Chaudron, L., Szilagyi, P., Tang, W., Anson, E., Talbot, N., Wadkins, H., Tu, X. and Wisner, K. Accuracy of Depression Screening Tools for Identifying Postpartum Depression Among Urban Mothers, Pediatrics, 2010, 125:e609-e617.


Statistical Packages

  1. A SAS macro for zero-truncated Poisson and negative binomial models (code and document).