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Ethnic and geographic variations in multimorbidty: Evidence from three large cohorts.

Gebregziabher M, Ward RC, Taber DJ, Walker RJ, Ozieh M, Dismuke CE, Axon RN, Egede LE.

Soc Sci Med. 2018 Aug;211:198-206. doi: 10.1016/j.socscimed.2018.06.020. Epub 2018 Jun 21.


Reading Profiles in Multi-Site Data With Missingness.

Eckert MA, Vaden KI Jr, Gebregziabher M; Dyslexia Data Consortium.

Front Psychol. 2018 May 8;9:644. doi: 10.3389/fpsyg.2018.00644. eCollection 2018.


Tobacco Dependence Predicts Higher Lung Cancer and Mortality Rates and Lower Rates of Smoking Cessation in the National Lung Screening Trial.

Rojewski AM, Tanner NT, Dai L, Ravenel JG, Gebregziabher M, Silvestri GA, Toll BA.

Chest. 2018 Jul;154(1):110-118. doi: 10.1016/j.chest.2018.04.016. Epub 2018 May 21.


Stroke Among Young West Africans: Evidence From the SIREN (Stroke Investigative Research and Educational Network) Large Multisite Case-Control Study.

Sarfo FS, Ovbiagele B, Gebregziabher M, Wahab K, Akinyemi R, Akpalu A, Akpa O, Obiako R, Owolabi L, Jenkins C, Owolabi M; SIREN.

Stroke. 2018 May;49(5):1116-1122. doi: 10.1161/STROKEAHA.118.020783. Epub 2018 Apr 4.


Improving Transplant Medication Safety Through a Pharmacist-Empowered, Patient-Centered, mHealth-Based Intervention: TRANSAFE Rx Study Protocol.

Fleming JN, Treiber F, McGillicuddy J, Gebregziabher M, Taber DJ.

JMIR Res Protoc. 2018 Mar 2;7(3):e59. doi: 10.2196/resprot.9078.


Dominant modifiable risk factors for stroke in Ghana and Nigeria (SIREN): a case-control study.

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.

Lancet Glob Health. 2018 Apr;6(4):e436-e446. doi: 10.1016/S2214-109X(18)30002-0. Epub 2018 Feb 26.


Transplant Center Variability in Disparities for African-American Kidney Transplant Recipients.

Taber DJ, Gebregziabher M, Srinivas T, Egede LE, Baliga PK.

Ann Transplant. 2018 Feb 16;23:119-128.


Historical Slavery and Modern-Day Stroke Mortality in the United States Stroke Belt.

Esenwa C, Ilunga Tshiswaka D, Gebregziabher M, Ovbiagele B.

Stroke. 2018 Feb;49(2):465-469. doi: 10.1161/STROKEAHA.117.020169. Epub 2018 Jan 15. No abstract available.


Direct and flexible marginal inference for semicontinuous data: Response.

Gebregziabher M, Voronca D.

Stat Methods Med Res. 2017 Dec;26(6):2966-2967. doi: 10.1177/0962280215625792. No abstract available.


The epidemiology of stroke in Africa: A systematic review of existing methods and new approaches.

Owolabi M, Olowoyo P, Popoola F, Lackland D, Jenkins C, Arulogun O, Akinyemi R, Akinyemi O, Akpa O, Olaniyan O, Uvere E, Kehinde I, Selassie A, Gebregziabher M, Tagge R, Ovbiagele B.

J Clin Hypertens (Greenwich). 2018 Jan;20(1):47-55. doi: 10.1111/jch.13152. Epub 2017 Dec 11. Review.


PINGS (Phone-Based Intervention Under Nurse Guidance After Stroke): Interim Results of a Pilot Randomized Controlled Trial.

Sarfo F, Treiber F, Gebregziabher M, Adamu S, Patel S, Nichols M, Awuah D, Sakyi A, Adu-Darko N, Singh A, Tagge R, Carolyn J, Ovbiagele B.

Stroke. 2018 Jan;49(1):236-239. doi: 10.1161/STROKEAHA.117.019591. Epub 2017 Dec 8.


APOL1, CDKN2A/CDKN2B, and HDAC9 polymorphisms and small vessel ischemic stroke.

Akinyemi R, Tiwari HK, Arnett DK, Ovbiagele B, Irvin MR, Wahab K, Sarfo F, Srinivasasainagendra V, Adeoye A, Perry RT, Akpalu A, Jenkins C, Arulogun O, Gebregziabher M, Owolabi L, Obiako R, Sanya E, Komolafe M, Fawale M, Adebayo P, Osaigbovo G, Sunmonu T, Olowoyo P, Chukwuonye I, Obiabo Y, Onoja A, Akinyemi J, Ogbole G, Melikam S, Saulson R, Owolabi M; SIREN Investigators.

Acta Neurol Scand. 2018 Jan;137(1):133-141. doi: 10.1111/ane.12847. Epub 2017 Oct 3.


Common Brain Structure Findings Across Children with Varied Reading Disability Profiles.

Eckert MA, Vaden KI Jr, Maxwell AB, Cute SL, Gebregziabher M, Berninger VW; Dyslexia Data Consortium.

Sci Rep. 2017 Jul 20;7(1):6009. doi: 10.1038/s41598-017-05691-5.


Assessing the Generalizability of the National Lung Screening Trial: Comparison of Patients with Stage 1 Disease.

Tanner NT, Dai L, Bade BC, Gebregziabher M, Silvestri GA.

Am J Respir Crit Care Med. 2017 Sep 1;196(5):602-608. doi: 10.1164/rccm.201705-0914OC.


Short-term pilot feasibility study of a nurse-led intervention to improve blood pressure control after stroke in Nigeria.

Wahab KW, Owolabi M, Akinyemi R, Jenkins C, Arulogun O, Akpa O, Gebregziabher M, Uvere E, Saulson R, Ovbiagele B.

J Neurol Sci. 2017 Jun 15;377:116-120. doi: 10.1016/j.jns.2017.04.005. Epub 2017 Apr 7.


Stroke in Indigenous Africans, African Americans, and European Americans: Interplay of Racial and Geographic Factors.

Owolabi M, Sarfo F, Howard VJ, Irvin MR, Gebregziabher M, Akinyemi R, Bennett A, Armstrong K, Tiwari HK, Akpalu A, Wahab KW, Owolabi L, Fawale B, Komolafe M, Obiako R, Adebayo P, Manly JM, Ogbole G, Melikam E, Laryea R, Saulson R, Jenkins C, Arnett DK, Lackland DT, Ovbiagele B, Howard G; SIREN-REGARDS Collaboration (Stroke Investigative Research and Educational Network–Reasons for Geographic and Racial Differences in Stroke).

Stroke. 2017 May;48(5):1169-1175. doi: 10.1161/STROKEAHA.116.015937. Epub 2017 Apr 7.


Telephone-Delivered Behavioral Skills Intervention for African American Adults with Type 2 Diabetes: A Randomized Controlled Trial.

Egede LE, Williams JS, Voronca DC, Gebregziabher M, Lynch CP.

J Gen Intern Med. 2017 Jul;32(7):775-782. doi: 10.1007/s11606-017-4023-0. Epub 2017 Mar 23.


Stroke-related stigma among West Africans: Patterns and predictors.

Sarfo FS, Nichols M, Qanungo S, Teklehaimanot A, Singh A, Mensah N, Saulson R, Gebregziabher M, Ezinne U, Owolabi M, Jenkins C, Ovbiagele B.

J Neurol Sci. 2017 Apr 15;375:270-274. doi: 10.1016/j.jns.2017.02.018. Epub 2017 Feb 9.


Prevalence and Prognostic Features of ECG Abnormalities in Acute Stroke: Findings From the SIREN Study Among Africans.

Adeoye AM, Ogah OS, Ovbiagele B, Akinyemi R, Shidali V, Agyekum F, Aje A, Adebayo O, Akinyemi JO, Kolo P, Appiah LT, Iheonye H, Kelechukwu U, Ganiyu A, Olunuga TO, Akpa O, Olagoke OO, Sarfo FS, Wahab K, Olowookere S, Fakunle A, Akpalu A, Adebayo PB, Nkromah K, Yaria J, Ibinaiye P, Ogbole G, Olumayowa A, Lakoh S, Calys-Tagoe B, Olowoyo P, Innocent C, Tiwari HK, Arnett D, Godwin O, Ayotunde B, Akpalu J, Obiora O, Joseph O, Omisore A, Jenkins C, Lackland D, Owolabi L, Isah S, Dambatta AH, Komolafe M, Bock-Oruma A, Melikam ES, Imoh LC, Sunmonu T, Gebregziabher M, Olabisi O, Armstrong K, Onyeonoro UU, Sanya E, Agunloye AM, Ogunjimi L, Arulogun O, Farombi TH, Obiabo O, Obiako R, Owolabi M; SIREN Team as part of the H3Africa Consortium.

Glob Heart. 2017 Jun;12(2):99-105. doi: 10.1016/j.gheart.2017.01.002. Epub 2017 Mar 14.


Exploring Overlaps Between the Genomic and Environmental Determinants of LVH and Stroke: A Multicenter Study in West Africa.

Adeoye AM, Ovbiagele B, Kolo P, Appiah L, Aje A, Adebayo O, Sarfo F, Akinyemi J, Adekunle G, Agyekum F, Shidali V, Ogah O, Lackland D, Gebregziabher M, Arnett D, Tiwari HK, Akinyemi R, Olagoke OO, Oguntade AS, Olunuga T, Uwanruochi K, Jenkins C, Adadey P, Iheonye H, Owolabi L, Obiako R, Akinjopo S, Armstrong K, Akpalu A, Fakunle A, Saulson R, Aridegbe M, Olowoyo P, Osaigbovo G, Akpalu J, Fawale B, Adebayo P, Arulogun O, Ibinaiye P, Agunloye A, Ishaq N, Wahab K, Akpa O, Adeleye O, Bock-Oruma A, Ogbole G, Melikam S, Yaria J, Ogunjimi L, Salaam A, Sunmonu T, Makanjuola A, Farombi T, Laryea R, Uvere E, Kehinde S, Chukwuonye I, Azuh P, Komolafe M, Akintunde A, Obiabo O, Areo O, Kehinde I, Amusa AG, Owolabi M; SIREN Team as part of H3Africa Consortium.

Glob Heart. 2017 Jun;12(2):107-113.e5. doi: 10.1016/j.gheart.2017.01.001. Epub 2017 Mar 13.


Modeling excess zeros and heterogeneity in count data from a complex survey design with application to the demographic health survey in sub-Saharan Africa.

Dai L, Sweat MD, Gebregziabher M.

Stat Methods Med Res. 2018 Jan;27(1):208-220. doi: 10.1177/0962280215626608. Epub 2016 Jul 20.


A Comparative Effectiveness Analysis of Early Steroid Withdrawal in Black Kidney Transplant Recipients.

Taber DJ, Hunt KJ, Gebregziabher M, Srinivas T, Chavin KD, Baliga PK, Egede LE.

Clin J Am Soc Nephrol. 2017 Jan 6;12(1):131-139. doi: 10.2215/CJN.04880516. Epub 2016 Dec 15.


The Impact of Health Care Appointment Non-Adherence on Graft Outcomes in Kidney Transplantation.

Taber DJ, Fleming JN, Fominaya CE, Gebregziabher M, Hunt KJ, Srinivas TR, Baliga PK, McGillicuddy JW, Egede LE.

Am J Nephrol. 2017;45(1):91-98. doi: 10.1159/000453554. Epub 2016 Dec 2.


Multivariate Generalized Linear Mixed Models With Random Intercepts To Analyze Cardiovascular Risk Markers in Type-1 Diabetic Patients.

Jaffa MA, Gebregziabher M, Luttrell DK, Luttrell LM, Jaffa AA.

J Appl Stat. 2016;43(8):1447-1464. Epub 2015 Nov 26.


Differential Impact of Homelessness on Glycemic Control in Veterans with Type 2 Diabetes Mellitus.

Axon RN, Gebregziabher M, Dismuke CE, Hunt KJ, Yeager D, Ana EJS, Egede LE.

J Gen Intern Med. 2016 Nov;31(11):1331-1337. doi: 10.1007/s11606-016-3786-z. Epub 2016 Jul 14.


Trajectory of cost overtime after psychotherapy for depression in older Veterans via telemedicine.

Egede LE, Gebregziabher M, Walker RJ, Payne EH, Acierno R, Frueh BC.

J Affect Disord. 2017 Jan 1;207:157-162. doi: 10.1016/j.jad.2016.09.044. Epub 2016 Sep 28.


Gaps in Hypertension Guidelines in Low- and Middle-Income Versus High-Income Countries: A Systematic Review.

Owolabi M, Olowoyo P, Miranda JJ, Akinyemi R, Feng W, Yaria J, Makanjuola T, Yaya S, Kaczorowski J, Thabane L, Van Olmen J, Mathur P, Chow C, Kengne A, Saulson R, Thrift AG, Joshi R, Bloomfield GS, Gebregziabher M, Parker G, Agyemang C, Modesti PA, Norris S, Ogunjimi L, Farombi T, Melikam ES, Uvere E, Salako B, Ovbiagele B; COUNCIL Initiative.

Hypertension. 2016 Dec;68(6):1328-1337. Epub 2016 Oct 3. Review. No abstract available.


Phone-based Intervention under Nurse Guidance after Stroke (PINGS): study protocol for a randomized controlled trial.

Sarfo FS, Treiber F, Jenkins C, Patel S, Gebregziabher M, Singh A, Sarfo-Kantanka O, Saulson R, Appiah L, Oparebea E, Ovbiagele B.

Trials. 2016 Sep 5;17(1):436. doi: 10.1186/s13063-016-1557-0.


Twenty years of evolving trends in racial disparities for adult kidney transplant recipients.

Taber DJ, Gebregziabher M, Hunt KJ, Srinivas T, Chavin KD, Baliga PK, Egede LE.

Kidney Int. 2016 Oct;90(4):878-87. doi: 10.1016/j.kint.2016.06.029. Epub 2016 Aug 20.


Incidental paranasal sinusitis on routine brain magnetic resonance scans: association with atherosclerosis.

Rosenthal PA, Lundy KC, Massoglia DP, Payne EH, Gilbert G, Gebregziabher M.

Int Forum Allergy Rhinol. 2016 Dec;6(12):1253-1263. doi: 10.1002/alr.21824. Epub 2016 Aug 10.


Impact of Cardiovascular Risk Factors on Graft Outcome Disparities in Black Kidney Transplant Recipients.

Taber DJ, Hunt KJ, Fominaya CE, Payne EH, Gebregziabher M, Srinivas TR, Baliga PK, Egede LE.

Hypertension. 2016 Sep;68(3):715-25. doi: 10.1161/HYPERTENSIONAHA.116.07775. Epub 2016 Jul 11.


Comorbid depression is differentially associated with longitudinal medication nonadherence by race/ethnicity in patients with type 2 diabetes.

Axon RN, Gebregziabher M, Hunt KJ, Lynch CP, Payne E, Walker RJ, Egede LE.

Medicine (Baltimore). 2016 Jun;95(25):e3983. doi: 10.1097/MD.0000000000003983.


Validation of the 8-item questionnaire for verifying stroke free status with and without pictograms in three West African languages.

Sarfo FS, Gebregziabher M, Ovbiagele B, Akinyemi R, Owolabi L, Obiako R, Armstrong K, Arulogun O, Akpalu A, Melikam S, Saulson R, Jenkins C, Owolabi M; SIREN.

eNeurologicalSci. 2016 Jun;3:75-79.


Dual health care system use is associated with higher rates of hospitalization and hospital readmission among veterans with heart failure.

Axon RN, Gebregziabher M, Everett CJ, Heidenreich P, Hunt KJ.

Am Heart J. 2016 Apr;174:157-63. doi: 10.1016/j.ahj.2015.09.023. Epub 2015 Dec 18.


Overall Graft Loss Versus Death-Censored Graft Loss: Unmasking the Magnitude of Racial Disparities in Outcomes Among US Kidney Transplant Recipients.

Taber DJ, Gebregziabher M, Payne EH, Srinivas T, Baliga PK, Egede LE.

Transplantation. 2017 Feb;101(2):402-410. doi: 10.1097/TP.0000000000001119.


Gray Matter Features of Reading Disability: A Combined Meta-Analytic and Direct Analysis Approach(1,2,3,4).

Eckert MA, Berninger VW, Vaden KI Jr, Gebregziabher M, Tsu L.

eNeuro. 2016 Jan 23;3(1). pii: ENEURO.0103-15.2015. doi: 10.1523/ENEURO.0103-15.2015. eCollection 2016 Jan-Feb.


Cost and cost-effectiveness analysis of a bundled intervention to enhance outcomes after stroke in Nigeria: Rationale and design.

Olaniyan O, Owolabi MO, Akinyemi RO, Salako BL, Hurst S, Arulogun O, Gebregziabher M, Uvere E, Ovbiagele B.

eNeurologicalSci. 2015 Jun;1(2):38-45.


Multilingual Validation of the Questionnaire for Verifying Stroke-Free Status in West Africa.

Sarfo F, Gebregziabher M, Ovbiagele B, Akinyemi R, Owolabi L, Obiako R, Akpa O, Armstrong K, Akpalu A, Adamu S, Obese V, Boa-Antwi N, Appiah L, Arulogun O, Mensah Y, Adeoye A, Tosin A, Adeleye O, Tabi-Ajayi E, Phillip I, Sani A, Isah S, Tabari N, Mande A, Agunloye A, Ogbole G, Akinyemi J, Laryea R, Melikam S, Uvere E, Adekunle G, Kehinde S, Azuh P, Dambatta A, Ishaq N, Saulson R, Arnett D, Tiwari H, Jenkins C, Lackland D, Owolabi M; Stroke Investigative Research Educational Networks.

Stroke. 2016 Jan;47(1):167-72. doi: 10.1161/STROKEAHA.115.010374. Epub 2015 Nov 17.


Antiphospholipid Antibodies and Recurrent Thrombotic Events: Persistence and Portfolio.

Amory CF, Levine SR, Brey RL, Gebregziabher M, Tuhrim S, Tilley BC, Simpson AC, Sacco RL, Mohr JP; APASS-WARSS Collaborators.

Cerebrovasc Dis. 2015;40(5-6):293-300. doi: 10.1159/000441362. Epub 2015 Oct 29.


The Association between Smoking Abstinence and Mortality in the National Lung Screening Trial.

Tanner NT, Kanodra NM, Gebregziabher M, Payne E, Halbert CH, Warren GW, Egede LE, Silvestri GA.

Am J Respir Crit Care Med. 2016 Mar 1;193(5):534-41. doi: 10.1164/rccm.201507-1420OC.


Quantifying the Race Stratified Impact of Socioeconomics on Graft Outcomes in Kidney Transplant Recipients.

Taber DJ, Hamedi M, Rodrigue JR, Gebregziabher MG, Srinivas TR, Baliga PK, Egede LE.

Transplantation. 2016 Jul;100(7):1550-7. doi: 10.1097/TP.0000000000000931.


Racial/Ethnic Disparities in VA Services Utilization as a Partial Pathway to Mortality Differentials Among Veterans Diagnosed With TBI.

Dismuke CE, Gebregziabher M, Egede LE.

Glob J Health Sci. 2015 Jul 19;8(2):260-72. doi: 10.5539/gjhs.v8n2p260.


Phenotyping Stroke in Sub-Saharan Africa: Stroke Investigative Research and Education Network (SIREN) Phenomics Protocol.

Akpalu A, Sarfo FS, Ovbiagele B, Akinyemi R, Gebregziabher M, Obiako R, Owolabi L, Sagoe K, Jenkins C, Arulogun O, Adamu S, Appiah LT, Adadey MA, Agyekum F, Quansah JA, Mensah YB, Adeoye AM, Singh A, Tosin AO, Ohifemen O, Sani AA, Tabi-Ajayi E, Phillip IO, Isah SY, Tabari NA, Mande A, Agunloye AM, Ogbole GI, Akinyemi JO, Akpa OM, Laryea R, Melikam SE, Adinku D, Uvere E, Burkett NS, Adekunle GF, Kehinde SI, Azuh PC, Dambatta AH, Ishaq NA, Arnett D, Tiwari HK, Lackland D, Owolabi M; SIREN as part of the H3Africa Consortium.

Neuroepidemiology. 2015;45(2):73-82. doi: 10.1159/000437372. Epub 2015 Aug 19.


Differential impact of mental health multimorbidity on healthcare costs in diabetes.

Egede LE, Gebregziabher M, Zhao Y, Dismuke CE, Walker RJ, Hunt KJ, Axon RN.

Am J Manag Care. 2015 Aug;21(8):535-44.


Bayesian accelerated failure time model for space-time dependency in a geographically augmented survival model.

Onicescu G, Lawson A, Zhang J, Gebregziabher M, Wallace K, Eberth JM.

Stat Methods Med Res. 2017 Oct;26(5):2244-2256. doi: 10.1177/0962280215596186. Epub 2015 Jul 28.


Analysis of multivariate longitudinal kidney function outcomes using generalized linear mixed models.

Jaffa MA, Gebregziabher M, Jaffa AA.

J Transl Med. 2015 Jun 14;13:192. doi: 10.1186/s12967-015-0557-2.


Racial/Ethnic Differences in Combat- and Non-Combat-Associated Traumatic Brain Injury Severity in the Veterans Health Administration: 2004-2010.

Dismuke CE, Gebregziabher M, Yeager D, Egede LE.

Am J Public Health. 2015 Aug;105(8):1696-702. doi: 10.2105/AJPH.2014.302545. Epub 2015 Jun 11.


Approaches for dealing with various sources of overdispersion in modeling count data: Scale adjustment versus modeling.

Payne EH, Hardin JW, Egede LE, Ramakrishnan V, Selassie A, Gebregziabher M.

Stat Methods Med Res. 2017 Aug;26(4):1802-1823. doi: 10.1177/0962280215588569. Epub 2015 May 31.


African-American race modifies the influence of tacrolimus concentrations on acute rejection and toxicity in kidney transplant recipients.

Taber DJ, Gebregziabher MG, Srinivas TR, Chavin KD, Baliga PK, Egede LE.

Pharmacotherapy. 2015 Jun;35(6):569-77. doi: 10.1002/phar.1591. Epub 2015 May 23.


Quantifying the Incremental and Aggregate Cost of Missed Workdays in Adults with Diabetes.

Bishu KG, Gebregziabher M, Dismuke CE, Egede LE.

J Gen Intern Med. 2015 Dec;30(12):1773-9. doi: 10.1007/s11606-015-3338-y. Epub 2015 May 19.

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