Abstract
Purpose
Multiple ecological levels influence racial inequities in the completion of diagnostic testing after receiving abnormal mammography results (diagnostic resolution). Yet, few studies examine more than two ecological levels. We investigated the contributions of county, imaging facility, and patient characteristics on our primary and secondary outcomes, the achievement of diagnostic resolution by (1)Black women and Latinas, and (2) the entire sample. We hypothesized that women of color would be less likely to achieve resolution than their White counterparts, and this relationship would be mediated by imaging facility features and moderated by county characteristics.
Methods
Records for 25,144 women with abnormal mammograms between 2011 and 2019 from the Carolina Mammography Registry were merged with publicly available county data. Diagnostic resolution was operationalized as the percentage of women achieving resolution within 60 days of receiving abnormal results and overall time to resolution and examined using mixed effects logistic regression and Cox proportional hazard models, respectively.
Results
Women of color with abnormal screening mammograms were less likely to achieve resolution within 60 days compared with White women (OR 0.83, CI 0.78–0.89; OR 0.74, CI.60–0.91, respectively) and displayed longer resolution times (HR 0.87, CI 0.84–0.91; HR 0.78, CI 0.68–0.89). Residential segregation had a moderating effect, with Black women in more segregated counties being less likely to achieve resolution by 60 days but lost statistical significance after adjustment. No mediators were discovered.
Conclusion
More work is needed to understand how imaging center and community characteristics impact racial inequities in resolution and resolution in general.
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Data Availability
Study data are available with approval from the data contributing sites and upon request from Dr. Henderson.
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Acknowledgements
This work was supposed by funding from the National Cancer Institute under Grant# U01CA70040 and P01CA154292. We would like to thank the women and imaging facilities that have provided data to the Carolina Mammography Registry.
Funding
This work was supported by funding from the National Cancer Institute under Grant# U01CA70040 and P01CA154292.
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CRediT Statement—DF: Conceptualization, Methodology, Writing—Original Draft; TB: Methodology, Formal Analysis, Writing—Review and Editing; MHL: Writing—Review and Editing; ET: Writing—Review and Editing; LH: Supervision, Funding Acquisition, Writing—Review and Editing.
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Data used in this study came from the Carolina Mammography Registry (CMR). The CMR was approved by the University of North Carolina Institutional Review Board with a waiver of informed consent for research and a waiver of HIPAA authorization.
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Data used in this study came from the Carolina Mammography Registry (CMR). The CMR was approved by the University of North Carolina Institutional Review Board with a waiver of informed consent for research and a waiver of HIPAA authorization.
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Farr, D.E., Benefield, T., Lee, M.H. et al. Multilevel contributors to racial and ethnic inequities in the resolution of abnormal mammography results. Cancer Causes Control (2024). https://doi.org/10.1007/s10552-024-01851-x
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DOI: https://doi.org/10.1007/s10552-024-01851-x