Residential Segregation and Access to Surgical Care by Minority Populations in US Counties

Awori Jeremiah Hayanga · Heather E. Kaiser · Rakhi Sinha · Sean M. Berenholtz · Marty Makary · David C. Chang

83 citations0/0 files storedJournal of the American College of Surgeons

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Health disparities and outcomes Healthcare Policy and Management Urban, Neighborhood, and Segregation Studies

Abstract

BACKGROUND: Minority groups in the US have comparatively poorer access to a range of health care services. Access can be considered a function of opportunity and use and can vary with the level of segregation within a county. We hypothesized that with varying levels of segregation, increasing the proportion of the minority population within a county was accompanied by decreasing levels of access to surgical care. STUDY DESIGN: A cross-sectional analysis was performed on data from the 2004 Area Resource File. Each county in the US was categorized into one of three levels: most, moderately, or least segregated, using the Isolation Index. Multivariable linear regression analysis was performed to examine the association between access to surgical services and proportion of minority population with varying levels of segregation adjusting for socioeconomic and health characteristics. RESULTS: In the most segregated counties, each percentage point increase in Hispanic or African-American population was associated with a statistically significant decrease in outpatient surgery volume (p < 0.0001), ambulatory surgical facilities (p < 0.0001), and number of general surgeons (p < 0.0001). In the least segregated counties, these associations showed no statistical significance. A significant increase (p < 0.0001) in the volume of emergency medical visits was associated with increasing proportions of African-American and Hispanic populations within the most segregated counties. CONCLUSIONS: In the most segregated counties, an increase in the African-American or Hispanic population was associated with a decrease in the availability and use of surgical services and an increase in emergency visits after adjustment for socioeconomic and health characteristics.

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References

2003Unequal treatment: confronting racial and ethnic disparities in health care 2001Racial Residential Segregation: A Fundamental Cause of Racial Disparities in Health 2004Primary Care Physicians Who Treat Blacks and Whites 2004Racial residential segregation and geographic heterogeneity in black/white disparity in poor self-rated health in the US: a multilevel statistical analysis 2004Variation in Access to Health Care for Different Racial/Ethnic Groups by the Racial/Ethnic Composition of an Individual's County of Residence 1993Poverty, Residential Segregation, and Black/White Mortality Ratios in Urban Areas 2004Explaining disparities in access to high-quality cardiac surgeons

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