Crisis Point: The Cause and Calamity, Neighborhood Disadvantage and Kidney Disease

The Landscape: 24 Million Left Behind

Data from the US Census Bureau identify 24 million Americans living in disadvantaged neighborhoods, defined as communities where at least 1 in 5 residents falls below the federal poverty line.1

The inequities embedded within these communities create profound barriers to healthcare access, barriers that are especially consequential for silent diseases like chronic kidney disease (CKD), where delayed diagnosis and limited resources can mean irreversible disease progression before a patient ever receives care.

Neighborhood disadvantage is not an abstract concept. As Maya Clark-Cutaia, PhD, RN, describes it, it is a place-based measure reflecting the structural and material conditions of a community, poverty, housing instability, limited educational opportunities, unemployment, and restricted access to basic resources. For patients with kidney disease, it manifests as higher exposure to environmental stressors: pollution, extreme heat, the absence of safe spaces to exercise, unreliable access to healthy food, and a cascade of logistical barriers that make even reaching a primary care provider an overwhelming undertaking.1,2,3

"There may not be a lab value I can assign to it, but the modifier risk and the impact it could have on outcomes is unparalleled," said Cutaia.

These stressors do not simply correlate with poor health; they have been found to actively drive it. Acute environmental exposures like heat stress and dehydration can trigger acute kidney injury, and repeated episodes of acute kidney injury accelerate the progression of CKD. Furthermore, chronic exposures, such as air pollution, contribute more gradually but no less devastatingly to disease incidence and decline over months and years.

The Silence of CKD and the Cost of Invisibility

In the US, > 90% of people with kidney disease are unaware they have it. This is not a failure of individual attention, however, but a structural failure. CKD is largely asymptomatic in its early stages, and for patients in disadvantaged communities, screening is inconsistent at best and nonexistent at worst.4

The answer, too often, is the latter. Patients in disadvantaged neighborhoods present far later than clinicians would like, after years of silent disease and silent decline, after the early asymptomatic phase has passed without a single screening, after missed opportunities have accumulated downstream into irreversible harm. This is not inevitable. It is a system failing its most vulnerable patients.

Obesity: A Comorbidity That Closes Doors

Individuals residing in disadvantaged communities face a significantly elevated risk of obesity. Low-income individuals often rely on cheaper, calorie-dense, and nutrient-poor foods, driven not by poor choices but by economic reality, in many communities, processed foods are simply more affordable and accessible than fresh vegetables and fruit. The result is nutrient deficiency alongside increased body weight, a paradox of deprivation.

Obesity is a common comorbidity in kidney disease that, similar to living in a disadvantaged neighborhood, can create a feedback loop of inflammation and kidney injury. But its consequences extend beyond biology: obesity creates significant transplant barriers by increasing surgical risks, reducing organ survival rates, and triggering strict BMI-based eligibility limits. It drives increased rates of wound infections, delayed graft function, and cardiovascular complications. Morbidly obese patients face a 22-23% higher chance of being bypassed for an organ entirely.

When considered together, obesity and neighborhood disadvantage reinforce one another. Socioeconomic deprivation fosters conditions that drive obesity, while obesity then becomes a clinical gatekeeping mechanism that disproportionately excludes already-marginalized patients from transplantation. These are not two separate problems, but are mutually reinforcing forces targeting the same population.

Addressing obesity in this context requires a holistic approach. Evidence-based care must account for the realities of kidney failure, acknowledge the barriers patients face around hunger and fatigue, and consider options including bariatric surgery and incretin-based therapies where clinically justified, alongside diet and physical activity. Critically, it must also address the upstream drivers: food insecurity, lack of access to whole foods, and the absence of robust social support systems.

Transplant Access: Where Every Barrier Converges

Neighborhood disadvantage significantly restricts access to organ transplantation. Patients from high-deprivation areas experience lower rates of waitlisting, fewer living donor transplants, and reduced preemptive transplant rates compared to those from low-disadvantage areas — even after researchers attempt to adjust for confounding factors.

The barriers compound at every pressure point along the transplant continuum. Do you live within a feasible distance of a transplant center? Can you demonstrate the transportation and social support that listing requires? Is your social support network legible to the medical system evaluating it, or does it look different from what clinicians in resource-rich settings expect? As Clark-Cutaia observes, for some patients, that network is not a partner and a parent. It is a church group. The question clinicians must ask themselves is whether they are flexible enough to recognize that as sufficient.

"We know that transplant is the gold standard. It's definitely not likely that this is something our patients are going to see," she explained.

Financial strain, transportation barriers, time off work, childcare, health literacy, trust, or the profound lack of it, all impede forward progress. These burdens are not evenly distributed. Financial concerns are disproportionately reported among Black and Hispanic individuals, reflecting broader structural inequalities. Black and African American patients spend significantly more time on dialysis compared to White patients and receive far fewer transplants, a disparity that cannot be explained by biology alone.

The Primary Care Gap: A System That Expects Too Much

While data consistently demonstrate that individuals in disadvantaged communities experience poorer health outcomes, these same communities face significant barriers to primary care and routine wellness visits — including limited time, financial constraints, and lack of access to providers. The cruel irony is that the very resources needed to address the burden of disease are precisely what these communities lack.

It is not that patients do not want care, but that the healthcare system has been designed around assumptions of availability, available transportation, available time off, available money for copays, and available proximity to a specialist. In some parts of the country, obtaining basic blood and urine testing for kidney disease requires a 5-hour round trip.

The Charge: Clinicians Must Meet Patients Where They Are

Truly meeting patients where they are begins with treating social context not as a footnote, but as a fundamental component of the care plan. The weight of poverty, systemic inequity, and limited access does not disappear at the clinic door, patients carry it with them. As clinicians, understanding the structural and social factors that place certain patients at a systemic disadvantage is not peripheral to patient care. It is central to it.

Clark-Cutaia regularly shares an image with her students: a painting by New Orleans artist Terrence Osborne called Evacuation Plan. It depicts a Volkswagen bus with an entire home stacked on top, furniture, instruments, fishing gear, a life, everything someone would carry out of the city ahead of Hurricane Katrina. Her message to clinicians is simple and urgent, "Treat people like they're that Volkswagen bus. We all walk in every day with those things on our backs. You may not see it, but we walk in with our history, our culture, our trauma.”

In practice, this means acting sooner, making that referral earlier, and connecting patients with resources before a crisis rather than after. It means bringing screening and monitoring into communities through mobile units, pharmacies, places of worship, and workplaces so that patients do not have to choose between their health and their livelihood to access care. It means recognizing that peritoneal dialysis and home dialysis, while clinically preferable, are not realistic options for patients without the space, the privacy, or the support to make them work.

Addressing these disparities requires meeting patients where they are, bringing preventive care and wellness resources directly into disadvantaged communities rather than expecting residents to overcome systemic barriers to reach them. If disadvantaged communities cannot come to the healthcare system, the healthcare system must come to them.

Our Experts

Maya Clark Cutaia, PhD, RN, is the inaugural Evelyn Lauder Associate Dean for Nurse Practitioner Programs and Professor at the Hunter-Bellevue School of Nursing at Hunter College.

Adrian Brown, PhD, is a NIHR Advanced Fellow and Associate Professor (Principal Research Fellow) in Nutrition and Dietetics in the Centre of Obesity Research at University College London (UCL) and programme co-lead of the MSc Dietetics (Pre-registration) course at UCL.

Timothy Pflederer, MD, is the Chief Medical Officer at Evergreen Nephrology.

Salvatore Viscomi, MD, is the Chief Executive Officer and Founder of Carna Health.

Holly Kramer, MD, MPH, is a nephrologist and Professor of Public Health Sciences and Medicine, Division of Nephrology and Hypertension at Loyola University Chicago, and the Editor in Chief of Advances in Kidney Disease and Health for the National Kidney Foundation.

Mary Roberts, PhD, is a postdoctoral researcher at the Leverhulme Centre for Demographic Science at the University of Oxford.

Vahakn Shahinian, MD, MS, is the Dr. Robert H and Eva M Moyad Research Professor of Urology, Co-Chief of Dow Division of Health Services Research, Professor of Internal Medicine, and Professor of Urology at the Medical School at the University of Michigan.

Editor’s Note: Cutaia declares no relevant disclosures. Brown reports no relevant disclosures. Pflederer reports relevant disclosures with Evergreen Nephrology. Viscomi reports relevant disclosures with Carna Health, Dama Health, QuantaBrain, and others. Shahinian reports no relevant disclosures.

References

1. Christie-Mizell CA. Neighborhood Disadvantage and Poor Health: The Consequences of Race, Gender, and Age among Young Adults. International Journal of Environmental Research and Public Health. 2022;19(13):8107. doi:https://doi.org/10.3390/ijerph19138107

2. Jawad K, Feygin YB, Stevenson M, et al. The association between four neighborhood disadvantage indices and child chronic health classifications. Pediatric Research. Published online May 27, 2025. doi:https://doi.org/10.1038/s41390-025-04143-5

3. Crawford S. Evaluating the Association Between Neighborhood Disadvantage and Mortality. Yale School of Medicine. Published December 12, 2024. https://medicine.yale.edu/news-article/connection-between-neighborhood-disadvantage-and-mortality/

4. Huang Y, Sparks PJ. Longitudinal exposure to neighborhood poverty and obesity risk in emerging adulthood. Social Science Research. 2023;111:102796. doi:https://doi.org/10.1016/j.ssresearch.2022.102796

5. Li Y, Menon G, Kim B, et al. Residential Neighborhood Disadvantage and Access to Kidney Transplantation. JAMA Network Open. 2025;8(12):e2549679-e2549679. doi:https://doi.org/10.1001/jamanetworkopen.2025.49679