Dr. Gullion is a Senior Investigator who serves as a consulting statistician at TCHR. In addition to work on funded projects, she collaborates with investigators developing new proposals and implementing new methodologies and mentors junior investigators, fellows, and the Research Analyst group. Dr. Gullion came to TCHR in 2001.

Dr. Gullion has consulted with investigators in a variety of content areas, including psychiatry and clinical psychology, neurology and brain imaging, diabetes, developmental disabilities, solid organ transplant, nephrology, and cardiology. Her methodological experience includes longitudinal outcome studies, randomized clinical trials, psychometric evaluation of symptom measures, and complex multivariate analyses. Particular areas of current interest include multiple imputation of clinical trials data and analysis of caries increment data.

Dr. Gullion received a Ph.D. in quantitative psychology with a minor in developmental cognitive psychology from the University of North Carolina at Chapel Hill in 1985. Following a post-doctoral fellowship at the Biological Sciences Research Center and Center for Developmental Disabilities at UNC-CH, she joined the Psychiatry faculty at the University of Texas Southwestern Medical Center as Director of the Data Management and Statistics Core of a Mental Health Clinical Research Center. She came to TCHR from a subsequent position as Senior Scientist in the Research Department at Medical City Dallas (TX), a large urban medical center.

E-mail: Christina.Gullion@kpchr.org

Papers & Presentations:

• Use of Transition Matrices to Score Caries Increments in a Clinical Trial
• Applied Aspects of Using Multiple Imputation in Clinical Data