Brigham Walker
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View article: Place vs. Pocketbook: Associations of Area‐Level and Individual‐Level Income on Oral Cavity Cancer Late‐Stage Diagnosis
Place vs. Pocketbook: Associations of Area‐Level and Individual‐Level Income on Oral Cavity Cancer Late‐Stage Diagnosis Open
Background Late‐stage diagnosis of oral cavity cancer (OCC) often results from diagnostic delays due to healthcare access limitations or financial barriers. This study investigates how area‐level (“place”) and individual‐level (“pocketbook…
View article: Hospitalization and Credit Scores Among Medicaid Beneficiaries in Louisiana
Hospitalization and Credit Scores Among Medicaid Beneficiaries in Louisiana Open
This case-control study evaluates the impact of a hospitalization on credit scores for Medicaid beneficiaries in Louisiana stratified by sex, race, and ethnicity.
View article: 70 Telehealth utilization patterns among patients with multiple chronic conditions in Arkansas
70 Telehealth utilization patterns among patients with multiple chronic conditions in Arkansas Open
Objectives/Goals: Patients with multiple chronic conditions (MCCs) face care coordination challenges and poorer health outcomes. Outpatient telehealth may be an effective way to enhance MCC patient care given the need for multiple visits a…
View article: Building a Culture of Health Through the Built Environment: Impact of a Cluster Randomized Trial Remediating Vacant and Abandoned Property on Health Mindsets
Building a Culture of Health Through the Built Environment: Impact of a Cluster Randomized Trial Remediating Vacant and Abandoned Property on Health Mindsets Open
Changing built environment conditions to impact health mindsets and health equity may be a promising target for public health interventions. The present study was a cluster randomized controlled trial to test the impact of remediating vaca…
View article: Development of the Health Disparities Prevention Quality Index for Medicare Accountable Care Organizations
Development of the Health Disparities Prevention Quality Index for Medicare Accountable Care Organizations Open
Background: Value-based care aims to improve quality and reduce costs, yet racial and ethnic disparities in health outcomes persist, including within Medicare Shared Savings Program accountable care organizations (ACOs). This study introdu…
View article: Can oral cancer screening reduce late-stage diagnosis, treatment delay and mortality? A population-based study in Taiwan
Can oral cancer screening reduce late-stage diagnosis, treatment delay and mortality? A population-based study in Taiwan Open
Objective This study evaluates the effectiveness of Taiwan’s nationwide oral cancer screening programme in reducing late-stage diagnosis, treatment delays and mortality. Design A retrospective cohort study was conducted. Setting The study …
View article: Patient preferences and physician availability based on physician nativity and international medical school attendance
Patient preferences and physician availability based on physician nativity and international medical school attendance Open
Roughly a quarter of physicians in the United States are either international medical graduates (IMGs) or foreign-born physicians (FBPs). We propose a theoretical model where patient preferences that disfavor IMGs/FBPs may result in these …
View article: Financial Health Among Louisiana Medicaid Enrollees
Financial Health Among Louisiana Medicaid Enrollees Open
This cross-sectional study compares average credit scores and unpaid medical and nonmedical debts in collections among Black, Hispanic, and White adults with Medicaid coverage.
View article: Identity and access: Gender-based preferences and physician availability in primary care
Identity and access: Gender-based preferences and physician availability in primary care Open
Patient preferences for physicians may be influenced by shared characteristics such as gender. We analyzed experimental data from a survey of US adults in which respondents were asked to choose between physician profiles that on average va…
View article: Comparing prospectively assigned trial and real-world lung cancer patients
Comparing prospectively assigned trial and real-world lung cancer patients Open
Aim: To evaluate the comparability of a probable clinical trial (CT) cohort derived from electronic medical records (EMR) data with a real-world cohort treated with the same therapy and identified using the same inclusion and exclusion cri…
View article: Building a Culture of Health Through the Built Environment: Impact of a Cluster Randomized Trial Remediating Vacant and Abandoned Property on Health Mindsets
Building a Culture of Health Through the Built Environment: Impact of a Cluster Randomized Trial Remediating Vacant and Abandoned Property on Health Mindsets Open
Changing built environment conditions to impact health mindsets and health equity may be a promising target for public health interventions. The present study was a cluster randomized controlled trial to test the impact of remediating vaca…
View article: Access to Primary Care Physicians for Lesbian and Gay Patients
Access to Primary Care Physicians for Lesbian and Gay Patients Open
Access to primary care is associated with reduced morbidity and mortality and lower lifetime healthcare costs but lesbian and gay individuals are disadvantaged in accessing healthcare since they are less likely to have insurance coverage t…
View article: Disparities in access to appointments for contraceptive services among Black, Hispanic, White, and recently incarcerated women in Alabama, Louisiana, and Mississippi
Disparities in access to appointments for contraceptive services among Black, Hispanic, White, and recently incarcerated women in Alabama, Louisiana, and Mississippi Open
Objective To measure differences in access to contraceptive services based on history of incarceration and its intersections with race/ethnicity and insurance status. Data Sources and Study Setting Primary data were collected from telephon…
View article: The <scp>COVID</scp>‐19 pandemic and primary care appointment availability by physician age and gender
The <span>COVID</span>‐19 pandemic and primary care appointment availability by physician age and gender Open
Using data generated through simulated patient calls to a national random sample of primary care physicians between February and July 2020, we examine the effects of the first wave of COVID‐19 on the availability of the U.S. primary care p…
View article: Price and saliency in health care: When can targeted nudges change behaviors?
Price and saliency in health care: When can targeted nudges change behaviors? Open
This paper takes advantage of a natural experiment to examine the relationship between the price and saliency of health services. A large employer e-mailed individually targeted health education encouraging high-value care to high-risk emp…
View article: Improving Real-World Mortality Data Quality in Oncology Research: Augmenting Electronic Medical Records With Obituary, Social Security Death Index, and Commercial Claims Data
Improving Real-World Mortality Data Quality in Oncology Research: Augmenting Electronic Medical Records With Obituary, Social Security Death Index, and Commercial Claims Data Open
PURPOSE This study evaluated the relative improvements in mortality data capture of adding different external data to enriched electronic medical records (EMRs) for patients with melanoma. METHODS An enriched EMR database, containing struc…
View article: Disparities in Telemedicine Use Among Louisiana Medicaid Beneficiaries During the COVID-19 Pandemic
Disparities in Telemedicine Use Among Louisiana Medicaid Beneficiaries During the COVID-19 Pandemic Open
Background: The COVID-19 pandemic led to an increased reliance on telemedicine. Whether this exacerbated existing disparities within vulnerable populations is not yet known. Objectives: Characterize changes in outpatient telemedicine evalu…
View article: Telehealth and Medicare Type 2 Diabetes Care Outcomes
Telehealth and Medicare Type 2 Diabetes Care Outcomes Open
Background: At the onset of the COVID-19 pandemic, the Centers for Medicare and Medicaid Services broadened access to telehealth. This provided an opportunity to test whether diabetes, a risk factor for COVID-19 severity, can be managed wi…
View article: Telemedicine Use by Age in Louisiana Medicaid During COVID-19: Claims-Based Longitudinal Analysis
Telemedicine Use by Age in Louisiana Medicaid During COVID-19: Claims-Based Longitudinal Analysis Open
Background Limited availability of in-person health care services and fear of contracting COVID-19 during the pandemic promoted an increased reliance on telemedicine. However, long-standing inequities in telemedicine due to unequal levels …
View article: Telemedicine Use by Age in Louisiana Medicaid During COVID-19: Claims-Based Longitudinal Analysis (Preprint)
Telemedicine Use by Age in Louisiana Medicaid During COVID-19: Claims-Based Longitudinal Analysis (Preprint) Open
BACKGROUND Limited availability of in-person health care services and fear of contracting COVID-19 during the pandemic promoted an increased reliance on telemedicine. However, long-standing inequities in telemedicine due to unequal levels…
View article: Comparison of Screening Mammogram Rates Before vs During the COVID-19 Pandemic Among Medicaid Beneficiaries in Louisiana
Comparison of Screening Mammogram Rates Before vs During the COVID-19 Pandemic Among Medicaid Beneficiaries in Louisiana Open
This cohort study investigates differences in screening mammography before vs during the COVID-19 pandemic by race and ethnicity among Medicaid beneficiaries in Louisiana.
View article: Medicaid Expansion and Medical Debt: Evidence From Louisiana, 2014–2019
Medicaid Expansion and Medical Debt: Evidence From Louisiana, 2014–2019 Open
Objectives. To identify the association between Medicaid eligibility expansion and medical debt. Methods. We used difference-in-differences design to compare changes in medical debt for those gaining coverage through Louisiana’s Medicaid e…