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

Director and PI
Region IV Public Health Training Center for South Carolina

Profile and bio with links to Twitter and LinkedIn:



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

CURRENT TEACHING                                                                        


Media Appearance



- Modified Cox Regression - competing risk models

- 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:

  • Liver disease and FIB-4
  • Health Services  (Veterans Health, Stroke, Cost, Comorbidities )
  • Health Disparities  (Diabetes, CVD, Lung Cancer, CKD, HIV)
  • Statistics in Epidemiology (Design & analysis of cohort & case-control)
  • 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
Journals where some of my Publications appeared

Math Exp't  Mathematicians
Applied Statistics

Committee Membership

CGS Council
HEROIC Executive
CEPH accreditation
MPH Community
MPH Steering
MPH Curriculum
MUSC Faculty Senate
MUSC IP Advisory
DPHS Advanced Exam
DPHS Seminar
DPHS Curriculum
MPH program, chair
CGS Council



In the NEWS


Some Key Publications (from over 200)

  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. Vrana-Diaz CJ, Korte JE, Gebregziabher M, Richey L, Selassie A, Sweat M, Kisa R, Musoke W, Chemusto H, Buregyeya E, Matovu JK, Wanyenze RK.Low acceptance of intimate partner violence by pregnant women in Uganda predicts higher uptake of HIV self-testing among their male partners. Afr J AIDS Res. 2021 Dec;20(4):287-296. doi: 10.2989/16085906.2021.2000449. PMID: 34905449 Clinical Trial.
  3. Gesesew H, Berhane K, Siraj ES, Siraj D, Gebregziabher M, Gebre YG, Gebreslassie SA, Amdes F, Tesema AG, Siraj A, Aregawi M, Gezahegn S, Tesfay FH. The impact of war on the health system of the Tigray region in Ethiopia: an assessment. BMJ Glob Health. 2021 Nov;6(11):e007328. doi: 10.1136/bmjgh-2021-007328.PMID: 34815244 
  4. Jaffa MA, Gebregziabher M, Jaffa AA.Shared parameter and copula models for analysis of semicontinuous longitudinal data with nonrandom dropout and informative censoring. Stat Methods Med Res. 2021 Nov 22:9622802211060519. doi: 10.1177/09622802211060519 . PMID: 34806502
  5. Ward R, Weeda E, Taber DJ, Axon RN, Gebregziabher M. Advanced models for improved prediction of opioid-related overdose and suicide events among Veterans using administrative healthcare data. Health Serv Outcomes Res Methodol. 2021 Nov 2:1-21. doi: 10.1007/s10742-021-00263-7. PMID: 34744496 
  6. Gonzales HM, Fleming JN, Gebregziabher M, Posadas Salas MA, McGillicuddy JW, Taber DJ.A Critical Analysis of the Specific Pharmacist Interventions and Risk Assessments During the 12-Month TRANSAFE Rx Randomized Controlled Trial. Ann Pharmacother. 2021 Sep 8:10600280211044792. doi: 10.1177/10600280211044792. PMID: 34496669
  7. Schreiner AD, Livingston S, Zhang J, Gebregziabher M, Marsden J, Koch DG, Petz CA, Durkalski-Mauldin VL, Mauldin PD, Moran WP. Identifying Patients at Risk for Fibrosis in a Primary Care NAFLD Cohort. J Clin Gastroenterol. 2021 Jul 22. doi: 10.1097/MCG.0000000000001585. PMID: 34294656
  8. Taber DJ, Fleming JN, Su Z, Mauldin P, McGillicuddy JW, Posadas A, Gebregziabher M. Significant hospitalization cost savings to the payer with a pharmacist-led mobile health intervention to improve medication safety in kidney transplant recipients. Am J Transplant. 2021 Oct;21(10):3428-3435. doi: 10.1111/ajt.16737. Epub 2021 Jul 14. PMID: 34197699. 
  9. 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
  10. 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.
  11. 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
  12. 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.
  13. 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
  14. 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
  15. 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.
  16.  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
  17. 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.
  18. 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.
  19.  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
  20.  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)
  21. 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.
  22. 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. 
  23. 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