Publications by authors named "Arleen Brown"

Background: Cardiometabolic disease (CMD) disproportionately affects African American/Black (AA) and Latino communities. CMD disparities are exacerbated by their underrepresentation in clinical trials for CMD treatments including nutritional interventions. The study aimed to (1) form a precision nutrition community consultant panel (PNCCP) representative of Latino and AA communities in Los Angeles to identify barriers and facilitators to recruitment and retention of diverse communities into nutrition clinical trials and (2) develop culturally informed strategies to improve trial diversity.

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Article Synopsis
  • Since January 2020, COVID-19 impacted over 100 million people in the U.S., and there is a need for better understanding of racial and ethnic disparities in hospitalization data related to the virus.
  • A study analyzed data from the National Inpatient Sample to quantify these disparities, revealing significant differences in hospitalization rates and outcomes among different racial and ethnic groups.
  • The findings showed that Black, Hispanic, and Native American patients experienced hospitalization rates over twice that of White patients, with higher mortality rates linked to factors like age, sex, and certain health conditions.
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Objective: To synthesize community and healthcare informants' perspectives on contextual considerations and tailoring recommendations for high-quality, sustainable implementation of evidence-based practices (EBPs) for managing hypertension (HTN) in a multiethnic safety-net population.

Design: Structured focus-group discussions and semistructured qualitative interviews.

Background: High-quality, sustainable implementation of HTN-related EBPs can promote equitable care.

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We developed and tested MivacunaLA/MyshotLA, a community-informed mobile phone intervention, to increase COVID-19 vaccination among Latino parents/caretakers of minors in under-resourced areas of Los Angeles by addressing misinformation and building trust. We recruited Latino parents/caregivers with at least one unvaccinated child in East and South Los Angeles in the summer of 2021 and evaluated MivacunaLA as a randomized controlled trial with a wait-list control group. A difference-in-difference analysis showed Latino parents/caregivers that participated in MivacunaLA ( = 246), in comparison to the control group, were 15 percentage points more likely ( = 0.

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Background: Evidence-based programs (EBPs) for older adults effectively improve health outcomes. However, there is a limited understanding of the unique needs of service providers as they consider adopting, implementing, and maintaining programs for older minority adults in low-income communities with limited aging services.

Methods: We conducted semi-structured interviews with key informants of community-based organizations (CBOs) to understand implementation and sustainability needs of CBOs within four racial and ethnically diverse Los Angeles County geographic areas.

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Black and Latinx people are disproportionately impacted by HIV, COVID-19, and other syndemic health crises with similar underlying social determinants of health. Lessons learned from the HIV pandemic and COVID-19 response have been invoked to improve health equity at the systemic level in the face of other emergent health crises. However, few have examined the potential translation of strategies between syndemics at the individual level.

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Background: To facilitate safety-net healthcare system partnerships with community social service providers, the Los Angeles County Department of Health Services (LAC DHS) created a new collaboration team to spur cross-agency social and medical referral networks and engage communities affected by health disparities as part of a Sect. 1115 Medicaid waiver in Los Angeles County entitled Whole Person Care-Los Angeles (WPC-LA).

Methods: This observational research reviews three years of collaboration team implementation (2018-2020) through Medicaid-reportable engagement reports, a collaboration team qualitative survey on challenges, facilitators, and recommendations for community engagement.

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Background And Objectives: Social and structural determinants of health (SDOH) have been associated with disability in neurologic diseases. However, the association between these factors and disability in Huntington disease (HD) has not been studied. This study aimed to evaluate the association of racial and sociodemographic factors with disease severity in patients with HD in North America.

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Latinx populations face a higher burden of kidney failure and associated negative outcomes compared with non-Latinx White populations, despite sharing a similar prevalence of CKD. Community health worker (CHW) interventions have been shown to improve outcomes for Latinx individuals, but they are largely underutilized in kidney disease. We convened a workshop of four ongoing kidney disease CHW programs to identify successes, challenges, potential solutions, and needed research to promote CHW programs for Latinx individuals with kidney disease.

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Background: Inequities in COVID-19 vaccine accessibility and reliable COVID-related information disproportionately affected marginalized racial and ethnic communities in the U.S. The Get Out the Vaccine (GOTVax) program, an innovative statewide government-funded COVID-19 vaccine canvassing program in California, aimed to reduce structural barriers to COVID-19 vaccination in high-risk communities with low vaccination rates.

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Objectives: To evaluate rapid COVID-19 vaccine clinic implementation from January-April 2021 in the Los Angeles County Department of Health Services (LACDHS), the second-largest US safety net health system. During initial vaccine clinic implementation, LACDHS vaccinated 59,898 outpatients, 69% of whom were Latinx (exceeding the LA County Latinx population of 46%). LACDHS is a unique safety net setting to evaluate rapid vaccine implementation due to system size, geographic breadth, language/racial/ethnic diversity, limited health staffing resources, and socioeconomic complexity of patients.

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Geographic maldistribution of dermatologists contributes to disparities in access to dermatologic care. We aimed to investigate the geographic distribution of, and differences in wait times for medical dermatology services in Los Angeles County (LAC). We placed phone calls to 251 dermatology practices in LAC to ask for a new patient appointment for a changing mole.

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Importance: Despite complexities of racial and ethnic residential segregation (hereinafter referred to as segregation) and neighborhood socioeconomic deprivation, public health studies, including those on COVID-19 racial and ethnic disparities, often rely on composite neighborhood indices that do not account for residential segregation.

Objective: To examine the associations by race and ethnicity among California's Healthy Places Index (HPI), Black and Hispanic segregation, Social Vulnerability Index (SVI), and COVID-19-related hospitalization.

Design, Setting, And Participants: This cohort study included veterans with positive test results for COVID-19 living in California who used Veterans Health Administration services between March 1, 2020, and October 31, 2021.

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Introduction: Communities of color have faced disproportionate morbidity and mortality from COVID-19, coupled with historical underrepresentation in US clinical trials, creating challenges for equitable participation in developing and testing a safe and effective COVID-19 vaccine.

Methods: To increase diversity, including racial and ethnic representation, in local Los Angeles County NIH-sponsored Phase 3 SARS-CoV-2 vaccine clinical trials, we used deliberative community engagement approaches to form a Community Consultant Panel (CCP) that partnered with trial research teams. Thirteen members were recruited, including expertise from essential workers, community-based and faith-based organizations, or leaders from racial and ethnic minority communities.

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The COVID-19 pandemic has exacerbated the adverse influence of structural racism and discrimination experienced by historically marginalized communities (e.g., Black, Latino/a/x, Indigenous, and transgender people).

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Objective: To explore factors influencing COVID-19 vaccine decision-making among Black adults at high-risk for COVID-19 infection. Despite effective treatment and vaccination availability, Black Americans continue to be disproportionately impacted by COVID-19.

Design Setting And Participants: Using community-engaged qualitative methods, we conducted virtual, semi-structured focus groups with Black residents in Los Angeles County before widespread vaccine rollout.

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Sleep is essential to human survival and overall vascular health. Sleep health encompasses the objective and subjective qualities associated with one's daily pattern of sleep and wakefulness and has become a growing clinical and public health concern. Impaired sleep duration and quality can increase stroke risk and mediate the relationship between the physical aspects of an individual's environment and disparities in stroke incidence.

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The COVID-19 pandemic revealed weaknesses in the public health infrastructure of the United States, including persistent barriers to engaging marginalized communities toward inclusion in clinical research, including trials. Inclusive participation in clinical trials is crucial for promoting vaccine confidence, public trust, and addressing disparate health outcomes. A long-standing body of literature describes the value of community-based participatory research in increasing marginalized community participation in research.

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Background: Significant disparities in COVID-19 morbidity and mortality exist for Native American (NA) people, the majority of whom live in urban areas. COVID-19 vaccination is a key strategy for mitigating these disparities; however, vaccination disparities affect NA communities. The current study investigated COVID-19 vaccine decision-making before widespread vaccine rollout occurred, among urban NA communities.

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Objectives: The start of the COVID-19 pandemic led the Los Angeles safety net health system to dramatically reduce in-person visits and transition abruptly to telehealth/telemedicine services to deliver clinical care (remote telephone and video visits). However, safety net patients and the settings that serve them face a "digital divide" that could impact effective implementation of such digital care. The study objective was to examine attitudes and perspectives of leadership and frontline staff regarding telehealth integration in the Los Angeles safety net, with a focus on telemedicine video visits.

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Objective: Latino adults in Los Angeles have experienced disproportionate cases, deaths, and socioeconomic impacts from the COVID-19 pandemic. This qualitative study aimed to explore community perspectives on readiness for COVID-19 vaccination and to identify culturally tailored vaccine outreach strategies.

Methods: We conducted virtual focus groups with Los Angeles County Latino/a residents via Zoom between December 2020 to January 2021, as the first COVID-19 vaccines were receiving Emergency Use Authorization (EUA).

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