Medical College of Wisconsin
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Rebekah Walker PhD

Rebekah Walker PhD

Assistant Professor

Institution: Medical College of Wisconsin
Department: Medicine
Division: General Internal Medicine
Program: Research

Member of the Center for Advancing Population Science (CAPS)


Research Experience

  • Chronic Disease
  • Diabetes Mellitus, Type 2
  • Health Services Research
  • Health Status Disparities
  • Minority Health
  • Socioeconomic Factors
  • Social Determinants of Health
  • Global Health
  • MCW Program / Core Facilities

  • Center for Advancing Population Science
  • Publications

  • Prevalence of psychological distress, depression and suicidal ideation in an indigenous population in Panamá. (Walker RJ, Campbell JA, Dawson AZ, Egede LE) Soc Psychiatry Psychiatr Epidemiol 2019 May 04 PMID: 31055631 05/06/2019    
  • Assessing the relationship between food insecurity and mortality among U.S. adults. (Walker RJ, Chawla A, Garacci E, Williams JS, Mendez C, Ozieh MN, Egede LE) Ann Epidemiol 2019 Apr;32:43-48 PMID: 30799207 PMCID: PMC6441375 02/26/2019    
  • Prevalence of Diabetes, Prediabetes, and Obesity in the Indigenous Kuna Population of Panamá. (Campbell JA, Walker RJ, Dawson AZ, Egede LE) J Racial Ethn Health Disparities 2019 Feb 25 PMID: 30805801 02/26/2019    
  • The co-occurrence of diabetes and adverse childhood experiences and its impact on mortality in US adults. (Campbell JA, Mosley-Johnson E, Garacci E, Walker RJ, Egede LE) J Affect Disord 2019 Apr 15;249:20-25 PMID: 30743018 PMCID: PMC6420860 02/12/2019    
  • The Impact of Dual Health Care System Use for Obtaining Prescription Medications on Nonadherence in Veterans With Type 2 Diabetes. (Taber DJ, Ward R, Axon RN, Walker RJ, Egede LE, Gebregziabher M) Ann Pharmacother 2019 Feb 06:1060028019828681 PMID: 30724092 02/07/2019    
  • Quality of Diabetes Care Among Recent Immigrants to the USA. (Srivastava R, Bishu KG, Walker RJ, Williams JS, Egede LE) J Racial Ethn Health Disparities 2019 Jun;6(3):457-462 PMID: 30430462 PMCID: PMC6500477 11/16/2018    
  • Geographic Disparities in Mortality Risk Within a Racially Diverse Sample of U.S. Veterans with Traumatic Brain Injury. (Dismuke-Greer CE, Gebregziabher M, Ritchwood T, Pugh MJ, Walker RJ, Uchendu US, Egede LE) Health Equity 2018;2(1):304-312 PMID: 30374469 PMCID: PMC6203888 10/31/2018    
  • Preferences for Health Information Technologies Among US Adults: Analysis of the Health Information National Trends Survey. (Asan O, Cooper Ii F, Nagavally S, Walker RJ, Williams JS, Ozieh MN, Egede LE) J Med Internet Res 2018 Oct 18;20(10):e277 PMID: 30341048 PMCID: PMC6245956 10/21/2018    
  • The differential impact of adverse childhood experiences in the development of pre-diabetes in a longitudinal cohort of US adults. (Campbell JA, Mendez CE, Garacci E, Walker RJ, Wagner N, Egede LE) J Diabetes Complications 2018 Nov;32(11):1018-1024 PMID: 30236541 09/22/2018    
  • Trends in Food Insecurity in the USA for Individuals with Prediabetes, Undiagnosed Diabetes, and Diagnosed Diabetes. (Walker RJ, Grusnick J, Garacci E, Mendez C, Egede LE) J Gen Intern Med 2019 Jan;34(1):33-35 PMID: 30215178 PMCID: PMC6318164 09/15/2018       1 Citations
  • Cost-Effectiveness of Behavioral Activation for Depression in Older Adult Veterans: In-Person Care Versus Telehealth. (Egede LE, Dismuke CE, Walker RJ, Acierno R, Frueh BC) J Clin Psychiatry 2018 Aug 28;79(5) PMID: 30192446 09/08/2018    
  • Racial and Ethnic Differences in Out-of-Pocket Expenses among Adults with Diabetes. (Simmons M, Bishu KG, Williams JS, Walker RJ, Dawson AZ, Egede LE) J Natl Med Assoc 2019 Feb;111(1):28-36 PMID: 30129486 08/22/2018       1 Citations
  • Differential relationship between colorectal cancer and diabetes in a nationally representative sample of adults. (Restifo D, Williams JS, Garacci E, Walker RJ, Ozieh MN, Egede LE) J Diabetes Complications 2018 Sep;32(9):819-823 PMID: 30099983 08/14/2018    
  • Pathways between food insecurity and glycaemic control in individuals with type 2 diabetes. (Walker RJ, Williams JS, Egede LE) Public Health Nutr 2018 Dec;21(17):3237-3244 PMID: 30088467 PMCID: PMC6258341 08/09/2018    
  • 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 08;211:198-206 PMID: 29960171 07/01/2018       1 Citations
  • Racial differences in spatial patterns for poor glycemic control in the Southeastern United States. (Walker RJ, Neelon B, Davis M, Egede LE) Ann Epidemiol 2018 03;28(3):153-159 PMID: 29398299 PMCID: PMC5828989 02/06/2018    
  • Preoperative Diabetes Optimization Program. (Mendez CE, Wainaina N, Walker RJ, Montagne W, Livingston A, Slawski B, Egede LE) Clin Diabetes 2018 Jan;36(1):68-71 PMID: 29382981 PMCID: PMC5775009 02/01/2018    
  • Using path analysis to examine the relationship between sexual abuse in childhood and diabetes in adulthood in a sample of US adults. (Campbell JA, Farmer GC, Nguyen-Rodriguez S, Walker RJ, Egede LE) Prev Med 2018 03;108:1-7 PMID: 29277408 PMCID: PMC5828999 12/27/2017       1 Citations
  • Relationship between empowerment and wealth: trends and predictors in Kenya between 2003 and 2008-2009. (Voronca D, Walker RJ, Egede LE) Int J Public Health 2018 Jun;63(5):641-649 PMID: 29159537 PMCID: PMC5960602 11/22/2017       1 Citations
  • Effect of psychotherapy for depression via home telehealth on glycemic control in adults with type 2 diabetes: Subgroup analysis of a randomized clinical trial. (Egede LE, Walker RJ, Payne EH, Knapp RG, Acierno R, Frueh BC) J Telemed Telecare 2018 Oct;24(9):596-602 PMID: 28945160 09/26/2017       3 Citations
  • Use of social adaptability index to explain self-care and diabetes outcomes. (Campbell JA, Walker RJ, Smalls BL, Egede LE) BMC Endocr Disord 2017 Jun 20;17(1):34 PMID: 28633668 PMCID: PMC5477748 06/22/2017    
  • Rural-Urban Differences in Trends in the Wealth Index in Kenya: 1993-2009. (Egede LE, Voronca D, Walker RJ, Thomas C) Ann Glob Health 2017 Mar - Apr;83(2):248-258 PMID: 28619399 PMCID: PMC5487220 06/18/2017       2 Citations
  • Differential Relationships Between Diabetes Knowledge Scales and Diabetes Outcomes. (Dawson AZ, Walker RJ, Egede LE) Diabetes Educ 2017 08;43(4):360-366 PMID: 28595504 06/10/2017       1 Citations
  • Trends of medical expenditures and quality of life in US adults with diabetes: the medical expenditure panel survey, 2002-2011. (Campbell JA, Bishu KG, Walker RJ, Egede LE) Health Qual Life Outcomes 2017 Apr 13;15(1):70 PMID: 28407776 PMCID: PMC5390377 04/15/2017       6 Citations
  • Independent correlates of chronic kidney disease awareness among adults with type 2 diabetes. (Obadan NO, Walker RJ, Egede LE) J Diabetes Complications 2017 Jun;31(6):988-991 PMID: 28363729 PMCID: PMC5438883 04/02/2017       1 Citations
  • The impact of arthritis and joint pain on individual healthcare expenditures: findings from the Medical Expenditure Panel Survey (MEPS), 2011. (Williams EM, Walker RJ, Faith T, Egede LE) Arthritis Res Ther 2017 02 28;19(1):38 PMID: 28245879 PMCID: PMC5331686 03/02/2017       6 Citations
  • Clinical Factors and Expenditures Associated With ICD-9-CM Coded Trauma for the U.S. Population: A Nationally Representative Study. (Dismuke CE, Bishu KG, Fakhry S, Walker RJ, Egede LE) Acad Emerg Med 2017 04;24(4):467-474 PMID: 27976494 12/16/2016       1 Citations
  • Advancing the Understanding of Social Determinants of Health Through Geospatial Analysis. (Walker RJ, Neelon B, Egede LE) J Gen Intern Med 2017 04;32(4):371-372 PMID: 27957663 PMCID: PMC5377885 12/14/2016    
  • Psychotherapy for Depression in Older Veterans Via Telemedicine: Effect on Quality of Life, Satisfaction, Treatment Credibility, and Service Delivery Perception. (Egede LE, Acierno R, Knapp RG, Walker RJ, Payne EH, Frueh BC) J Clin Psychiatry 2016 Dec;77(12):1704-1711 PMID: 27835713 11/12/2016       6 Citations
  • The association of cumulative discrimination on quality of care, patient-centered care, and dissatisfaction with care in adults with type 2 diabetes. (Cykert DM, Williams JS, Walker RJ, Davis KS, Egede LE) J Diabetes Complications 2017 01;31(1):175-179 PMID: 27769800 PMCID: PMC5209248 10/23/2016    
  • Geographic variation in access among adults with kidney disease: evidence from medical expenditure panel survey, 2002-2011. (Ozieh MN, Bishu KG, Walker RJ, Campbell JA, Egede LE) BMC Health Serv Res 2016 10 18;16(1):585 PMID: 27756393 PMCID: PMC5069810 10/21/2016       1 Citations
  • Pathways for the relationship between diabetes distress, depression, fatalism and glycemic control in adults with type 2 diabetes. (Asuzu CC, Walker RJ, Williams JS, Egede LE) J Diabetes Complications 2017 01;31(1):169-174 PMID: 27746088 PMCID: PMC5209296 10/18/2016       8 Citations
  • Patient-Centered Care, Glycemic Control, Diabetes Self-Care, and Quality of Life in Adults with Type 2 Diabetes. (Williams JS, Walker RJ, Smalls BL, Hill R, Egede LE) Diabetes Technol Ther 2016 10;18(10):644-649 PMID: 27541872 PMCID: PMC5069713 10/18/2016       6 Citations
  • 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 01;207:157-162 PMID: 27721190 10/11/2016       4 Citations
  • Rationing of Care: Conceptual Ambiguity and Transparency in Data Collection and Synthesis. (Walker RJ, Egede LE) J Gen Intern Med 2016 12;31(12):1415-1416 PMID: 27435252 PMCID: PMC5130948 07/21/2016    
  • 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 PMID: 27336900 PMCID: PMC4998338 06/24/2016       4 Citations
  • mHealth Interventions in Low and Middle-Income Countries: A Systematic Review. (Hurt K, Walker RJ, Campbell JA, Egede LE) Glob J Health Sci 2016 9 01;8(9):54429 PMID: 27157176 PMCID: PMC5064069 05/10/2016    
  • Influence of Race, Ethnicity and Social Determinants of Health on Diabetes Outcomes. (Walker RJ, Strom Williams J, Egede LE) Am J Med Sci 2016 Apr;351(4):366-73 PMID: 27079342 PMCID: PMC4834895 04/16/2016       31 Citations
  • Validation of theoretical pathway between discrimination, diabetes self-care and glycemic control. (Dawson AZ, Walker RJ, Campbell JA, Egede LE) J Diabetes Complications 2016 07;30(5):858-63 PMID: 27068266 04/14/2016       2 Citations
  • Trends in Costs of Depression in Adults with Diabetes in the United States: Medical Expenditure Panel Survey, 2004-2011. (Egede LE, Walker RJ, Bishu K, Dismuke CE) J Gen Intern Med 2016 06;31(6):615-22 PMID: 26969312 PMCID: PMC4870425 03/13/2016       20 Citations
  • Impact of diagnosed depression on healthcare costs in adults with and without diabetes: United States, 2004-2011. (Egede LE, Bishu KG, Walker RJ, Dismuke CE) J Affect Disord 2016 May;195:119-26 PMID: 26890289 PMCID: PMC4779740 02/19/2016       11 Citations
  • Meaning of Illness and Cardiovascular Risk Factors in Patients With Type 2 Diabetes. (Lynch CP, Strom Williams J, Voronca D, Walker RJ, Egede LE) Diabetes Educ 2016 04;42(2):220-7 PMID: 26879460 02/18/2016    
  • Pathways Between Discrimination and Quality of Life in Patients with Type 2 Diabetes. (Achuko O, Walker RJ, Campbell JA, Dawson AZ, Egede LE) Diabetes Technol Ther 2016 Mar;18(3):151-8 PMID: 26866351 PMCID: PMC4790216 02/13/2016       1 Citations
  • Achieving Equity in an Evolving Healthcare System: Opportunities and Challenges. (Williams JS, Walker RJ, Egede LE) Am J Med Sci 2016 Jan;351(1):33-43 PMID: 26802756 PMCID: PMC4724388 01/24/2016       12 Citations
  • Associations Between Adverse Childhood Experiences, High-Risk Behaviors, and Morbidity in Adulthood. (Campbell JA, Walker RJ, Egede LE) Am J Prev Med 2016 Mar;50(3):344-352 PMID: 26474668 PMCID: PMC4762720 10/18/2015       64 Citations
  • Social determinants of health in adults with type 2 diabetes--Contribution of mutable and immutable factors. (Walker RJ, Smalls BL, Egede LE) Diabetes Res Clin Pract 2015 Nov;110(2):193-201 PMID: 26411692 PMCID: PMC4681588 09/29/2015       13 Citations
  • 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 PMID: 26295353 08/22/2015       6 Citations
  • Community Interventions to Improve Glycemic Control in African Americans with Type 2 Diabetes: A Systemic Review. (Smalls BL, Walker RJ, Bonilha HS, Campbell JA, Egede LE) Glob J Health Sci 2015 Feb 24;7(5):171-82 PMID: 26156923 PMCID: PMC4803865 07/15/2015       6 Citations
  • Utilization and Cost of Health Services in Individuals With Traumatic Brain Injury. (Dismuke CE, Walker RJ, Egede LE) Glob J Health Sci 2015 Apr 19;7(6):156-69 PMID: 26153156 PMCID: PMC4803849 07/15/2015       12 Citations
  • Meaning of illness and quality of life in patients with type 2 diabetes. (Walker RJ, Lynch CP, Strom Williams J, Voronca D, Egede LE) J Diabetes Complications 2015 Jul;29(5):665-9 PMID: 25934437 05/03/2015       5 Citations
  • Effective strategies for global health research, training and clinical care: a narrative review. (Walker RJ, Campbell JA, Egede LE) Glob J Health Sci 2014 Sep 29;7(2):119-39 PMID: 25716404 PMCID: PMC4796426 02/27/2015       5 Citations
  • Meaning of illness and self-care in patients with type 2 diabetes. (Strom Williams J, Walker RJ, Lynch CP, Voronca D, Egede LE) Diabetes Educ 2015 06;41(3):301-8 PMID: 25712226 02/26/2015       2 Citations
  • Differential effect of race, education, gender, and language discrimination on glycemic control in adults with type 2 diabetes. (Reynolds DB, Walker RJ, Campbell JA, Egede LE) Diabetes Technol Ther 2015 Apr;17(4):243-7 PMID: 25549154 PMCID: PMC4365429 12/31/2014       8 Citations
  • Understanding the influence of psychological and socioeconomic factors on diabetes self-care using structured equation modeling. (Walker RJ, Gebregziabher M, Martin-Harris B, Egede LE) Patient Educ Couns 2015 Jan;98(1):34-40 PMID: 25455793 PMCID: PMC4314329 12/03/2014       17 Citations
  • Effect of perceived racial discrimination on self-care behaviors, glycemic control, and quality of life in adults with type 2 diabetes. (Dawson AZ, Walker RJ, Campbell JA, Egede LE) Endocrine 2015 Jun;49(2):422-8 PMID: 25414069 PMCID: PMC4440842 11/22/2014       11 Citations
  • Quantifying direct effects of social determinants of health on glycemic control in adults with type 2 diabetes. (Walker RJ, Gebregziabher M, Martin-Harris B, Egede LE) Diabetes Technol Ther 2015 Feb;17(2):80-7 PMID: 25361382 PMCID: PMC4322090 11/02/2014       16 Citations
  • Relationship between social determinants of health and processes and outcomes in adults with type 2 diabetes: validation of a conceptual framework. (Walker RJ, Gebregziabher M, Martin-Harris B, Egede LE) BMC Endocr Disord 2014 Oct 09;14:82 PMID: 25298071 PMCID: PMC4203970 10/10/2014       24 Citations
  • Effective interventions to improve medication adherence in Type 2 diabetes: a systematic review. (Williams JL, Walker RJ, Smalls BL, Campbell JA, Egede LE) Diabetes Manag (Lond) 2014 Jan 01;4(1):29-48 PMID: 25214893 PMCID: PMC4157681 09/13/2014    
  • Independent effects of socioeconomic and psychological social determinants of health on self-care and outcomes in Type 2 diabetes. (Walker RJ, Gebregziabher M, Martin-Harris B, Egede LE) Gen Hosp Psychiatry 2014 Nov-Dec;36(6):662-8 PMID: 25103544 PMCID: PMC4254055 08/12/2014       33 Citations
  • Impact of mental health visits on healthcare cost in patients with diabetes and comorbid mental health disorders. (Egede LE, Gebregziabher M, Zhao Y, Dismuke CE, Walker RJ, Hunt KJ, Axon RN) PLoS One 2014;9(8):e103804 PMID: 25083903 PMCID: PMC4118960 08/02/2014       11 Citations
  • Effect of diabetes self-efficacy on glycemic control, medication adherence, self-care behaviors, and quality of life in a predominantly low-income, minority population. (Walker RJ, Smalls BL, Hernandez-Tejada MA, Campbell JA, Egede LE) Ethn Dis 2014;24(3):349-55 PMID: 25065078 07/30/2014       41 Citations
  • Impact of social determinants of health on outcomes for type 2 diabetes: a systematic review. (Walker RJ, Smalls BL, Campbell JA, Strom Williams JL, Egede LE) Endocrine 2014 Sep;47(1):29-48 PMID: 24532079 02/18/2014       45 Citations
  • Behavioral interventions to improve glycemic control in African Americans with type 2 diabetes: a systematic review. (Walker RJ, Smalls BL, Bonilha HS, Campbell JA, Egede LE) Ethn Dis 2013;23(4):401-8 PMID: 24392600 01/08/2014    
  • Effect of diabetes fatalism on medication adherence and self-care behaviors in adults with diabetes. (Walker RJ, Smalls BL, Hernandez-Tejada MA, Campbell JA, Davis KS, Egede LE) Gen Hosp Psychiatry 2012 Nov-Dec;34(6):598-603 PMID: 22898447 PMCID: PMC3479321 08/18/2012       36 Citations
  • Glucose control in diabetes: the impact of racial differences on monitoring and outcomes. (Campbell JA, Walker RJ, Smalls BL, Egede LE) Endocrine 2012 Dec;42(3):471-82 PMID: 22815042 PMCID: PMC3779599 07/21/2012       43 Citations
  • Associations between coping, diabetes knowledge, medication adherence and self-care behaviors in adults with type 2 diabetes. (Smalls BL, Walker RJ, Hernandez-Tejada MA, Campbell JA, Davis KS, Egede LE) Gen Hosp Psychiatry 2012 Jul-Aug;34(4):385-9 PMID: 22554428 PMCID: PMC3383912 05/05/2012       22 Citations
  • Diabetes empowerment, medication adherence and self-care behaviors in adults with type 2 diabetes. (Hernandez-Tejada MA, Campbell JA, Walker RJ, Smalls BL, Davis KS, Egede LE) Diabetes Technol Ther 2012 Jul;14(7):630-4 PMID: 22524548 PMCID: PMC3389377 04/25/2012       47 Citations
  • Last update: 05/09/2019
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