Projects per year
Personal profile
About
Dr. Nahhas utilizes modern statistical methods to analyze data from a wide range of research areas, including public health, epidemiology, psychiatry, substance use, childhood growth and development, and obesity. Specific methodological areas in which Dr. Nahhas’ has experience include linear and generalized linear regression models, survival analysis, longitudinal data analysis including linear and non-linear mixed models, growth curve modeling, latent class analysis, and the analysis of missing data.
Related documents
Education/Academic qualification
Biostatistics, Ph.D., The Ohio State University
… → 1999
Statistics, M.S., The Ohio State University
… → 1995
Mathematics, B.S., The Ohio State University
… → 1993
Disciplines
- Public Health
Projects
- 1 Active
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Role of DeltaNp63 alpha and TIP60 in SCC progression and chemoresistance
Nahhas, R. W. (CoI) & Kadakia, M. (PI)
9/1/23 → 8/31/28
Project: Research project
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Identifying Trends in Posttraumatic Stress Disorder Symptoms, Type of Trauma, and Associated Features: A Latent Class Analysis
Guina, J., Nahhas, R. W., Bonnet, M. & Farnsworth, S., May 1 2025, In: Violence and Victims. 40, 2, p. 235-251 17 p.Research output: Contribution to journal › Article › peer-review
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Introduction to Regression Methods for Public Health Using R
Nahhas, R. W., 2025, CRC Press. 442 p.Research output: Book/Report › Book
Open Access -
Patients’ Attitudes Toward Hallucinogenic and Non-Hallucinogenic Psilocybin for Mental Health Treatment
Abboud, A., Schiebrel, C., Nahhas, R. W., Durkin, S., Hua, K., Redding, H. & Gainer, D., Jan 1 2025, In: Journal of Psychoactive Drugs. p. 1-8 8 p.Research output: Contribution to journal › Article › peer-review
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Relationship Between Obesity and Intellectual/Developmental Disability in an Ohio Telepsychiatry Clinic: A Retrospective Review
Shameem, S., Luft, M., Harrington, M., Nahhas, R. W., Hatesohl, M., Gentile, J. & Gainer, D., Sep 2025, In: Journal of Autism and Developmental Disorders. 55, 9, p. 3304-3313 10 p.Research output: Contribution to journal › Article › peer-review
Open Access -
An Evaluation of Messages to Promote Parental Intent to Vaccinate Children Aged <12 Years Against COVID-19
Chan, I. L., Schwarz, K., Weinstein, N., Mansergh, G., Nahhas, R. W., Gelaude, D., Alexander, R., Rodriguez, L., Strauss, W., Repetski, T., Sullivan, N., Long, E., Evener, S. L., Garbarino, A. & Kollar, L. M. M., Mar 1 2024, In: Public Health Reports. 139, 2, p. 230-240 11 p.Research output: Contribution to journal › Article › peer-review
Open Access
Prizes
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2025 Robert J. Kegerreis Distinguished Professor of Teaching Award
Nahhas, R. W. (Recipient), 2025
Prize: Prize (including medals and awards)