Naihua Duan, PhD

  • Adjunct Professor of Biotatistics (in Psychiatry)
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Overview

Dr. Naihua Duan is Professor of Biostatistics (in Psychiatry) in the Department of Psychiatry at Columbia University Medical Center.

Dr. Duan received a B.S. in mathematics from National Taiwan University, an M.A. in mathematical statistics from Columbia University, and a Ph.D. in statistics from Stanford University. He is an accomplished practicing biostatistician with research interests in health services research, prevention research, sample design and experimental design, model robustness, transformation models, multilevel modeling, nonparametric and semi-parametric regression methods, and environmental exposure assessment.

Dr. Duan is an elected fellow of the American Statistical Association and the Institute of Mathematical Statistics; he is a member of the editorial board for Statistica Sinica and Health Services & Outcomes Research Methodology, and a former associate editor for the Journal of the American Statistical Association. He served on a number of national and international panels, such as the Institute of Medicine's Committee on Organ Procurement and Transplantation Policy and Committee on Assessing the Medical Risks of Human Oocyte Donation for Stem Cell Research, the National Research Council's Committee on Carbon Monoxide Episodes in Meteorological and Topological Problems Areas, and the National Institute of Mental Health's Behavioral Sciences Workgroup.

Academic Appointments

  • Adjunct Professor of Biotatistics (in Psychiatry)

Gender

  • Male

Research

Dr. Naihua Duan's primary research interest is in the application of biostatistics to various areas of psychiatric research, such as mental health services research, HIV prevention, clinical trials, etc.He is an experienced practicing biostatistician who has contributed significantly to the field of mental health research, and has published extensively both in methodology and in substantive research. He played a central role in the design, implementation, and data analysis of a number of important health care studies, including the Recovery After Initial Schizophrenic Episode (RAISE) study, a nationwide effort to develop an optimal early intervention strategy for treating people experiencing a first episode of the psychotic symptoms of schizophrenia; the Army Study to Assess Risk and Resilience in Service Members (Army STARRS), a large scale epidemiology study on the risk and protector factors for suicide in the US Army; the Partners in Care study, a group-randomized trial to evaluate the impact of quality improvement interventions for depression care in primary care settings; the Youth Partners in Care study, a randomized trial to evaluate the impact of quality improvement interventions for depression care for adolescents and youth in primary care settings; Project VIBE, a consumer research project on acceptability for HIV vaccines and potential risk behavior changes; and the Los Angeles Mammography Promotion study, a large field study that recruited and randomized 45 churches in Los Angeles County to three intervention conditions: peer telephone counseling, printed material counseling, and control.

Selected Publications

  • Duan N: Smearing estimate: A nonparametric retransformation method. Journal of the American Statistical Association 1983;78: 605-610
  • Duan N: The adjoint projection pursuit regression. Journal of the American Statistical Association 990;85: 1029-1038
  • Duan N: Listening to consumers and HIV vaccine preparedness. The Lancet 2005;365: 1119-21
  • Duan N, Alegria M, Canino G, McGuire TG, Takeuchi D: Survey conditioning in self-reported mental health service use: randomized comparison of alternative instrument formats. Health Serv Res 2007;42: 890-907
  • Duan N, Kravitz RL, Schmid CH: Single-patient (n-of-1) trials: a pragmatic clinical decision methodology for patient-centered comparative effectiveness research. J Clin Epidemiol 2013;66(8 Suppl: S21-8)