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. 2015 Dec;40(6):1287-99.
doi: 10.1007/s10900-015-0052-y.

Intersection of Race/Ethnicity and Socioeconomic Status in Mortality After Breast Cancer

Free PMC article

Intersection of Race/Ethnicity and Socioeconomic Status in Mortality After Breast Cancer

Salma Shariff-Marco et al. J Community Health. .
Free PMC article


We investigated social disparities in breast cancer (BC) mortality, leveraging data from the California Breast Cancer Survivorship Consortium. The associations of race/ethnicity, education, and neighborhood SES (nSES) with all-cause and BC-specific mortality were assessed among 9372 women with BC (diagnosed 1993-2007 in California with follow-up through 2010) from four racial/ethnic groups [African American, Asian American, Latina, and non-Latina (NL) White] using Cox proportional hazards models. Compared to NL White women with high-education/high-nSES, higher all-cause mortality was observed among NL White women with high-education/low-nSES [hazard ratio (HR) (95 % confidence interval) 1.24 (1.08-1.43)], and African American women with low-nSES, regardless of education [high education HR 1.24 (1.03-1.49); low-education HR 1.19 (0.99-1.44)]. Latina women with low-education/high-nSES had lower all-cause mortality [HR 0.70 (0.54-0.90)] and non-significant lower mortality was observed for Asian American women, regardless of their education and nSES. Similar patterns were seen for BC-specific mortality. Individual- and neighborhood-level measures of SES interact with race/ethnicity to impact mortality after BC diagnosis. Considering the joint impacts of these social factors may offer insights to understanding inequalities by multiple social determinants of health.

Keywords: Breast cancer survival; Education; Neighborhood socioeconomic status; Racial/ethnic disparities; Socioeconomic disparities.

Conflict of interest statement

Conflict of interest Dr. Scarlett Gomez reports receiving funding support from Genentech unrelated to this manuscript. All other authors declare that they have no conflict of interest.

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