Health Disparities, Systemic Racism, and Discrimination

Quick Answer: Health disparities are preventable differences in health outcomes that systematically disadvantage socially disadvantaged populations. Systemic racism and discrimination operate through structural, institutional, and interpersonal pathways to create and sustain these disparities. The NBPHE blueprint tasks the CPH candidate to identify and address the causes and effects of systemic racism and discrimination on health, and to identify and address the factors that contribute to health disparities.

Health Disparities Versus Health Inequities

The terms are related but not interchangeable. A health disparity is any difference in health outcomes across groups—some disparities may reflect biological variation or voluntary choice. A health inequity is a disparity caused by systemic injustice and therefore deemed unjust and actionable. For the CPH exam, the key test is whether the difference is avoidable, unjust, and shaped by social determinants. The Black-White gap in maternal mortality is a health inequity: it is avoidable, unjust, and driven by systemic racism in healthcare, housing, and economic policy. The male-female difference in life expectancy partly reflects biology and is not, by itself, classified as an inequity.

Social Determinants of Health

The social determinants of health (SDOH) are the non-medical conditions in which people are born, grow, live, work, and age. They include housing stability, neighborhood safety, education quality, income and wealth, employment conditions, food access, transportation, social support, and environmental exposure. The World Health Organization estimates that SDOH account for 30-55% of health outcomes, with clinical care contributing roughly 15-25%. SDOH are themselves products of systemic racism: residential segregation created by redlining concentrated Black families in neighborhoods with lower property values, lower school funding, higher pollution exposure, fewer grocery stores, and fewer healthcare providers. These conditions persist across generations.

The table below maps SDOH domains to systemic racism pathways:

Systemic Racism Pathways

Systemic racism operates at three levels. Structural racism is the codified and institutionalized system of laws, policies, and practices that produce and sustain racial inequity—examples include redlining, restrictive covenants, segregated schools, mass incarceration, and immigration enforcement. Institutional racism is the discriminatory treatment embedded in organizational policies and practices—hiring patterns, school discipline, lending, policing, and clinical algorithms that adjust risk scores using race as a proxy for genetic ancestry. Interpersonal racism is the bias, microaggression, and discrimination that occur in face-to-face interactions—a clinician interrupting a patient, discounting pain reports, or recommending less aggressive treatment for the same condition.

The weathering hypothesis, developed by Arline Geronimus, explains how chronic exposure to social, economic, and political adversity produces accelerated physiological deterioration—"wear and tear"—in marginalized populations. This explains why Black women with college degrees still experience higher rates of preterm birth and maternal mortality than White women without high school degrees. The stress of navigating racism accumulates in the body across the life course, independent of individual behavior or socioeconomic status.

Implicit Bias in Healthcare

Implicit bias—unconscious attitudes that affect understanding, actions, and decisions—contributes to disparities even when practitioners explicitly endorse equity. Studies using the Implicit Association Test document that most clinicians hold implicit racial biases favoring White patients. These biases affect pain treatment, symptom interpretation, referral decisions, and wait times. Interventions include structured protocols that reduce individual discretion, implicit bias training paired with accountability metrics, and diversification of the healthcare workforce. Individual training alone, without structural change, has limited sustained effect.

Addressing Disparities: Structural Versus Individual Interventions

A common exam trap presents a disparity and offers an individual behavior change intervention as the solution. The correct answer addresses root causes through structural interventions. For maternal mortality disparities, structural interventions include extending postpartum Medicaid coverage, standardizing safety bundles, diversifying the workforce, and bias-aware protocols—not prenatal education classes for Black women. For asthma disparities, structural interventions include housing code enforcement, pollution source reduction, and integrated pest management—not only individual inhaler education.

Intersectionality, introduced by Kimberlé Crenshaw, recognizes that race, gender, class, immigration status, sexual orientation, and disability compound to produce unique patterns of advantage and disadvantage. A Black transgender woman living in poverty faces health risks shaped by the interaction of racism, transphobia, and economic exclusion—not simply the sum of each factor. Public health assessments and interventions must account for intersectional identity to avoid flattening experience into single categories.

Exam Application

CPH questions in this area test whether candidates can distinguish disparities from inequities, identify structural causes, and select interventions that address root causes. A scenario presenting a Black-White maternal mortality gap is not solved by prenatal education alone; the correct answer addresses systemic racism in healthcare, extends coverage, and implements bias-aware protocols. A scenario attributing asthma disparities to individual non-adherence is wrong; the correct framing identifies housing and environmental exposure as root causes requiring structural policy change.