fisherstudent biostat

Dr. Mulugeta


Presentations and Talks
Curriculum Vitae
NIH Biosketch
Statistical Programs
Statistical meetings

My Activities

Mulugeta Gebregziabher, Ph.D.

 (Syllabification: Mu-lu-ge-ta  geb-re-egg-Xavier)
Professor of Biostatistics
Vice Chair for Academic Programs
Department of Public Health Sciences,
Medical University of South Carolina
135 Cannon St, Suite 303, Charleston, SC 29425
Phone: 843-876-1112;   Fax:   843-876-1126

Research Health Scientist
Leader, Methodology Core
Health Equity and Rural Outreach Innovation Ctr (HEROIC)
RHJ VA Medical Center

Follow me at
Research Gate    
skype: mulugeta.gebz
e-mail: gebregz at musc dot edu
Recent Events

CURRENT TEACHING                                                                        




- Joint Modeling of multiple longitudinal outcomes, Missing data analysis (missing covariates, missing race/ethnicity at the VA), & analysis of semi-continuous data 

Zero-inflated count data from complex surveysfMRI data analysis, mixture modeling or latent class analysis

- Risk prediction modeling, Multimorbidity modeling

Clinical or Application areas:

  • Health Services  (Veterans Health, Neurological disorders, Cost, Comorbidities )
  • Health Disparities  (Diabetes, Heart Failure, CVD, Lung Cancer, CKD, HIV)
  • Statistics in Epidemiology (Design and analysis of cohort and case-control data)
  • Global health in stroke in Africa, Diabetes, Screening for VIA, HIV
  • Research capacity building in Clinical settings  in Africa (Ethiopia, Ghana, Nigeria)
  • Digitizing Patient Data (EHR, EMR)
  • Interprofessional research and education
Math Exp't  Mathematicians
Applied Statistics

Committee Membership
MUSC Faculty Senate
MUSC IP Advisory
DPHS Advanced Exam
DPHS Seminar
DPHS Curriculum



In the NEWS


Key Publications (from over 150)

  1. Owolabi MO, Sarfo F, Akinyemi R, Gebregziabher M, Akpa O, Akpalu A, Wahab K, Obiako R, Owolabi L, Ovbiagele B; SIREN Team; as part of H3Africa Consortium. Dominant modifiable risk factors for stroke in Ghana and Nigeria (SIREN): a case-control study. Lancet Glob Health. 2018 Feb 26. pii: S2214-109X(18)30002-0. doi: 10.1016/S2214-109X(18)30002-0. PMID: 29496511
  2. Gebregziabher M, Ward R, Taber D, Walker R, Ozieh M, Axon RN, Egede LE. Ethnic and Geographic Variations in Multimorbidty: Evidence from Three Large Cohorts. Social Science and Medicine. 2018 Jun 21;211:198-206. doi: 10.1016/j.socscimed. PMID: 29960171
  3. Gebregziabher M, Eckert MA, Vaden K, Johnson TD, Lawson AB  (2017). Methods for the Analysis of Missing Data in FMRI Studies. Journal of Biometrics & Biostatistics.208. 10.4172/2155-6180.1000335.
  4. Gebregziabher M, Mark A. Eckert, Lois J. Matthews, Abeba A. Teklehaimanot & Judy R. Dubno (2018) Joint modeling of multivariate hearing thresholds measured longitudinally at multiple frequencies, Communications in Statistics - Theory and Methods, DOI: 10.1080/03610926.2017.1395045
  5. Gebregziabher M, Delia Voronca, Abeba Teklehaimanot, Elizabeth J. Santa Ana (2015). Weibull mixture regression for marginal inference in zero-heavy continuous outcomes. Stat Methds in Med Research. 2015; PMID 25902801.
  6. Gebregziabher M, Zhao Y, Dismuke C, Axon N, Hunt K, Egede LE. Joint Modeling of longitudinal multiple source cost data using multivariate generalized linear mixed models. Health Services and Outcomes Research Methodology, 2012;  Doi: 10.1007/s10742-012-0103
  7. Egede LE, Gebregziabher M, Dismuke CE, Lynch P, Axon RN, Zhao Y, Mauldin PD. Medication Non-Adherence in Diabetes: Longitudinal Effects on Costs and Potential Cost-Savings from Improvement.  Diabetes Care, 2012 Aug 21 [Epub ahead of print], PMID:22912429
  8. Gebregziabher M, Gumarease P, Conti D and Cozen W (2010). A polytomous conditional likelihood approach for combining matched and unmatched case-control studies. Stat in Med 29:1004-13.
  9.  Gebregziabher M and DeSantis S (2010). Latent class based multiple imputation approach for missing categorical data. J. Statist. Plann. Inference (2010), doi:10.1016/j.jspi.2010.04.020
  10. Gebregziabher M and Hoel D. Applications of the poly-k statistical test to life-time cancer bioassay studies. J Hum and Eco Risk Assessment 2009, 15:858-875.
  11. Gebregziabher M and Langholz B (2009). A Semiparametric missing data induced method for missing covariate data in individually matched case-control studies. Biometrics. 2010 Sep;66(3):845-54.
  12.  Gebregziabher M, Egede LE, et al (2010) Effect of Trajectories of glycemic control on mortality in type 2 diabetes: A semiparametric joint modeling approach.  Am J Epidemiol. 2010 May 15;171(10):1090-8. Epub 2010 Apr 27
  13.  Lynch C, Gebregziabher M, Hunt KJ, Axon RN, Echols C, Gilbert GE, Egede LE. Differential Impact of longitudinal medication non-adherence on Mortality by Race/Ethnicity among Veterans with Diabetes. J Gen Intern Med. 2012 Sep 5. [Epub ahead of print] PMID:22948932)
  14. Tanner N, Egede L,  Clayton S, Gebregziabher M; Silvestri G. Attitudes & beliefs toward lung cancer screening among US Veterans, CHEST  144(6): 1783-7,2013.
  15. Owolabi MO, Akinyemi R, Gebregziabher M, Olaniyan L, Salako B, Arulogun O, Ovbiagele B. H3-Africa Consortium. Enabling the genomic revolution in Africa. Science 344, 1346-48, 2014. 
  16. Vaden KI Jr, Gebregziabher M, Kuchinsky SE, Eckert MA. Multiple imputation of missing fMRI data in whole brain analysis. Neuroimage. 2012 Apr 15;60(3):1843-55. Epub 2012 Feb 10. PMID 22500925

Past Courses
  • BMTRY789-03: Advanced Regression Methods 
  • BMTRY789-08: Cluster Analysis

World Of Statistics 2014