Historical redlining and breast cancer screening in a regional spatial analysis

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ID: 332109
2026
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Abstract
Abstract Background Redlining, introduced in 1933 by the Homeowners’ Loan Corporation, created enduring structural inequities in housing, health care access, and neighborhood investment. These historical patterns may contribute to persistent disparities in breast cancer screening. This study examines how historical redlining, alongside contemporary socioeconomic factors, shapes screening disparities across the University of Kansas Cancer Center (KUCC) catchment area. Methods We conducted a census tract–level spatial analysis across 123 counties (Kansas and western Missouri) by linking CDC PLACES breast cancer screening data with historical redlining maps. Explanatory variables included rurality, mammography facility availability, income inequality, gender pay gap, and uninsured rates. Logistic regression assessed overall associations, while geographically weighted binomial logistic regression evaluated spatial heterogeneity. Results Screening rates ranged from 56.9% to 84.5% across census tracts. Redlining was associated with lower screening odds in unadjusted models but was attenuated after accounting for socioeconomic and geographic factors. Rurality and income inequality were consistently associated with lower screening, whereas greater mammography facility availability was associated with higher screening rates. Spatial analyses revealed meaningful geographic variation, with localized negative associations of redlining and persistent, spatially varying effects of socioeconomic factors. Conclusion Breast cancer screening disparities in this region reflect the combined influence of historical structural inequities and current socioeconomic conditions. Expanding access to mammography and implementing spatially targeted, equity-focused interventions may improve screening uptake and reduce disparities in underserved communities.
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openalex_W7221434010 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Derrick Asante, Atikur Rahman, Isuru Ratnayake, Sam Pepper, Ananda Jayawardhana, Leah Lambart, Susan Beckman, Hope Krebill, Ronald Chen, Dinesh Pal Mudaranthakam
Journal jnci cancer spectrum
Year 2026
DOI
10.1093/jncics/pkag109
URL
https://doi.org/10.1093/jncics/pkag109
Keywords Keywords not found

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