Hannah Wesselman1, Christopher Graham Ford2, Yuridia Leyva2, Xingyuan Li3, Chung-Chou H Chang4,5, Mary Amanda Dew6, Kellee Kendall4, Emilee Croswell4, John R Pleis7, Yue Harn Ng8, Mark L Unruh8, Ron Shapiro9, Larissa Myaskovsky10,8. 1. Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana. 2. Center for Healthcare Equity in Kidney Disease, University of New Mexico Health Sciences Center, Albuquerque, New Mexico. 3. Eli Lilly and Company, Indianapolis, Indiana. 4. Department of Medicine, University of Pittsburgh, School of Medicine, Pittsburgh, Pennsylvania. 5. Department of Biostatistics, University of Pittsburgh, Graduate School of Public Health, Pittsburgh, Pennsylvania. 6. Department of Psychiatry, University of Pittsburgh, School of Medicine, Pittsburgh, Pennsylvania. 7. Division of Research and Methodology, National Center for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, Maryland. 8. Department of Internal Medicine, University of New Mexico, School of Medicine, Albuquerque, New Mexico. 9. Mount Sinai Recanati/Miller Transplantation Institute, Icahn School of Medicine, New York, New York. 10. Center for Healthcare Equity in Kidney Disease, University of New Mexico Health Sciences Center, Albuquerque, New Mexico lmyaskovsky@salud.unm.edu.
Abstract
BACKGROUND AND OBJECTIVES: Black patients have a higher incidence of kidney failure but lower rate of deceased- and living-donor kidney transplantation compared with White patients, even after taking differences in comorbidities into account. We assessed whether social determinants of health (e.g., demographics, cultural, psychosocial, knowledge factors) could account for race differences in receiving deceased- and living-donor kidney transplantation. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Via medical record review, we prospectively followed 1056 patients referred for kidney transplant (2010-2012), who completed an interview soon after kidney transplant evaluation, until their kidney transplant. We used multivariable competing risk models to estimate the cumulative incidence of receipt of any kidney transplant, deceased-donor transplant, or living-donor transplant, and the factors associated with each outcome. RESULTS: Even after accounting for social determinants of health, Black patients had a lower likelihood of kidney transplant (subdistribution hazard ratio, 0.74; 95% confidence interval, 0.55 to 0.99) and living-donor transplant (subdistribution hazard ratio, 0.49; 95% confidence interval, 0.26 to 0.95), but not deceased-donor transplant (subdistribution hazard ratio, 0.92; 95% confidence interval, 0.67 to 1.26). Black race, older age, lower income, public insurance, more comorbidities, being transplanted before changes to the Kidney Allocation System, greater religiosity, less social support, less transplant knowledge, and fewer learning activities were each associated with a lower probability of any kidney transplant. Older age, more comorbidities, being transplanted before changes to the Kidney Allocation System, greater religiosity, less social support, and fewer learning activities were each associated with a lower probability of deceased-donor transplant. Black race, older age, lower income, public insurance, higher body mass index, dialysis before kidney transplant, not presenting with a potential living donor, religious objection to living-donor transplant, and less transplant knowledge were each associated with a lower probability of living-donor transplant. CONCLUSIONS: Race and social determinants of health are associated with the likelihood of undergoing kidney transplant.
BACKGROUND AND OBJECTIVES: Black patients have a higher incidence of kidney failure but lower rate of deceased- and living-donor kidney transplantation compared with White patients, even after taking differences in comorbidities into account. We assessed whether social determinants of health (e.g., demographics, cultural, psychosocial, knowledge factors) could account for race differences in receiving deceased- and living-donor kidney transplantation. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Via medical record review, we prospectively followed 1056 patients referred for kidney transplant (2010-2012), who completed an interview soon after kidney transplant evaluation, until their kidney transplant. We used multivariable competing risk models to estimate the cumulative incidence of receipt of any kidney transplant, deceased-donor transplant, or living-donor transplant, and the factors associated with each outcome. RESULTS: Even after accounting for social determinants of health, Black patients had a lower likelihood of kidney transplant (subdistribution hazard ratio, 0.74; 95% confidence interval, 0.55 to 0.99) and living-donor transplant (subdistribution hazard ratio, 0.49; 95% confidence interval, 0.26 to 0.95), but not deceased-donor transplant (subdistribution hazard ratio, 0.92; 95% confidence interval, 0.67 to 1.26). Black race, older age, lower income, public insurance, more comorbidities, being transplanted before changes to the Kidney Allocation System, greater religiosity, less social support, less transplant knowledge, and fewer learning activities were each associated with a lower probability of any kidney transplant. Older age, more comorbidities, being transplanted before changes to the Kidney Allocation System, greater religiosity, less social support, and fewer learning activities were each associated with a lower probability of deceased-donor transplant. Black race, older age, lower income, public insurance, higher body mass index, dialysis before kidney transplant, not presenting with a potential living donor, religious objection to living-donor transplant, and less transplant knowledge were each associated with a lower probability of living-donor transplant. CONCLUSIONS: Race and social determinants of health are associated with the likelihood of undergoing kidney transplant.
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