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Competing Interests: The authors state no conflict of interest.

Importance: Racial inequities in incidence, morbidity, and mortality are a defining feature of systemic lupus erythematosus (SLE). Health care systems are integral to addressing these inequities. However, qualitative evidence that highlights Black SLE care experiences is limited., Objective: To identify opportunities for improving SLE care based on the experiences and perspectives of Black adults with SLE., Design, Setting, and Participants: In this qualitative study, an interpretive description approach was used and data were analyzed using inductive thematic analysis. Semistructured interviews with Black adults in Michigan who were diagnosed with SLE were conducted. Interviews occurred from November 2, 2021, to July 19, 2022, and data analysis occurred from May 6, 2022, to April 12, 2023., Main Outcomes and Measures: Deidentified transcripts from the interviews were analyzed to develop themes that focused on opportunities to improve quality of care and symptom management., Results: The participants included 30 Black adults with SLE (97% women; mean age, 41 years; range, 18-65 years). Four main themes were identified: (1) awareness of SLE signs and symptoms before diagnosis (participants emphasized delays in diagnosis and how knowledge concerning SLE could be limited in their families and communities); (2) patient-clinician interactions (participants faced discrimination in health care settings and talked about the value of coordinated and supportive health care teams); (3) medication adherence and health effects (participants experienced a range of adverse effects from medications that treat SLE and described how monitoring medication use and efficacy could inform tailored care approaches); and (4) comprehensive care plans after diagnosis (participants reported persistent pain and other symptoms despite treatment). In the context of disease management, participants emphasized the importance of behavioral change and the negative impact of social risk factors., Conclusions and Relevance: The findings of this qualitative study suggest how limited information about SLE, experiences of racism, treatment regimens, and social risk factors may affect Black people with SLE. Future research should further engage and include Black communities within the context of treatment and intervention development to reduce racial inequities.

Objectives: To identify an approach in measuring the association between structural racism and racial disparities in firearm homicide victimisation focusing on racism, rather than race., Methods: We examined associations of six measures of structural racism (Black/white disparity ratios in poverty, education, labour force participation, rental housing, single-parent households and index crime arrests) with state-level Black-white disparities in US age-adjusted firearm homicide victimisation rates 2010-2019. We regressed firearm homicide victimisation disparities on four specifications of independent variables: (1) absolute measure only; (2) absolute measure and per cent Black; (3) absolute measure and Black-white disparity ratio and (4) absolute measure, per cent Black and disparity ratio., Results: For all six measures of structural racism the optimal specification included the absolute measure and Black-white disparity ratio and did not include per cent Black. Coefficients for the Black-white disparity were statistically significant, while per cent Black was not., Conclusions: In the presence of structural racism measures, the inclusion of per cent Black did not contribute to the explanation of firearm homicide disparities in this study. Findings provide empiric evidence for the preferred use of structural racism measures instead of race., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.)

Background: Structural racism within the U.S. health care system contributes to disparities in oncologic care. This study sought to examine the socioeconomic factors that underlie the impact of racial segregation on hepatopancreaticobiliary (HPB) cancer inequities., Methods: Both Black and White patients who presented with HPB cancer were identified from the linked Surveillance, Epidemiology, and End Results (SEER)-Medicare database (2005-2015) and 2010 Census data. The Index of Dissimilarity (IoD), a validated measure of segregation, was examined relative to cancer stage at diagnosis, surgical resection, and overall mortality. Principal component analysis and structural equation modeling were used to determine the mediating effect of socioeconomic factors., Results: Among 39,063 patients, 86.4 % (n = 33,749) were White and 13.6 % (n = 5314) were Black. Black patients were more likely to reside in segregated areas than White patients (IoD, 0.62 vs. 0.52; p < 0.05). Black patients in highly segregated areas were less likely to present with early-stage disease (relative risk [RR], 0.89; 95 % confidence interval [CI] 0.82-0.95) or undergo surgery for localized disease (RR, 0.81; 95% CI 0.70-0.91), and had greater mortality hazards (hazard ratio 1.12, 95% CI 1.06-1.17) than White patients in low segregation areas (all p < 0.05). Mediation analysis identified poverty, lack of insurance, education level, crowded living conditions, commute time, and supportive income as contributing to 25 % of the disparities in early-stage presentation. Average income, house price, and income mobility explained 17 % of the disparities in surgical resection. Notably, average income, house price, and income mobility mediated 59 % of the effect that racial segregation had on long-term survival., Conclusion: Racial segregation, mediated through underlying socioeconomic factors, accounted for marked disparities in access to surgical care and outcomes for patients with HPB cancer., (© 2023. Society of Surgical Oncology.)

Importance: Structural racism has been implicated in the disproportionally high asthma morbidity experienced by children living in disadvantaged, urban neighborhoods. Current approaches designed to reduce asthma triggers have modest impact., Objective: To examine whether participation in a housing mobility program that provided housing vouchers and assistance moving to low-poverty neighborhoods was associated with reduced asthma morbidity among children and to explore potential mediating factors., Design, Setting, and Participants: Cohort study of 123 children aged 5 to 17 years with persistent asthma whose families participated in the Baltimore Regional Housing Partnership housing mobility program from 2016 to 2020. Children were matched to 115 children enrolled in the Urban Environment and Childhood Asthma (URECA) birth cohort using propensity scores., Exposure: Moving to a low-poverty neighborhood., Main Outcomes: Caregiver-reported asthma exacerbations and symptoms., Results: Among 123 children enrolled in the program, median age was 8.4 years, 58 (47.2%) were female, and 120 (97.6%) were Black. Prior to moving, 89 of 110 children (81%) lived in a high-poverty census tract (>20% of families below the poverty line); after moving, only 1 of 106 children with after-move data (0.9%) lived in a high-poverty tract. Among this cohort, 15.1% (SD, 35.8) had at least 1 exacerbation per 3-month period prior to moving vs 8.5% (SD, 28.0) after moving, an adjusted difference of -6.8 percentage points (95% CI, -11.9% to -1.7%; P = .009). Maximum symptom days in the past 2 weeks were 5.1 (SD, 5.0) before moving and 2.7 (SD, 3.8) after moving, an adjusted difference of -2.37 days (95% CI, -3.14 to -1.59; P < .001). Results remained significant in propensity score-matched analyses with URECA data. Measures of stress, including social cohesion, neighborhood safety, and urban stress, all improved with moving and were estimated to mediate between 29% and 35% of the association between moving and asthma exacerbations., Conclusions and Relevance: Children with asthma whose families participated in a program that helped them move into low-poverty neighborhoods experienced significant improvements in asthma symptom days and exacerbations. This study adds to the limited evidence suggesting that programs to counter housing discrimination can reduce childhood asthma morbidity.