Leveraging Implementation Science to Advance Environmental Justice Research and Achieve Health Equity through Neighborhood and Policy Interventions.

Environmental justice research is increasingly focused on community-engaged, participatory investigations that test interventions to improve health. Such research is primed for the use of implementation science-informed approaches to optimize the uptake and use of interventions proven to be effective. This review identifies synergies between implementation science and environmental justice with the goal of advancing both disciplines. Specifically, the article synthesizes the literature on neighborhood-, community-, and policy-level interventions in environmental health that address underlying structural determinants (e.g., structural racism) and social determinants of health. Opportunities to facilitate and scale the equitable implementation of evidence-based environmental health interventions are highlighted, using urban greening as an illustrative example. An environmental justice-focused version of the implementation science subway is provided, which highlights these principles: Remember and Reflect, Restore and Reclaim, and Reinvest. The review concludes with existing gaps and future directions to advance the science of implementation to promote environmental justice.

"The new normal has become a nonstop crisis": a qualitative study of burnout among Philadelphia's harm reduction and substance use disorder treatment workers during the COVID-19 pandemic.

BACKGROUND: The COVID-19 pandemic worsened the ongoing overdose crisis in the United States (US) and caused significant mental health strain and burnout among health care workers (HCW). Harm reduction, overdose prevention, and substance use disorder (SUD) workers may be especially impacted due to underfunding, resources shortages, and chaotic working environments. Existing research on HCW burnout primarily focuses on licensed HCWs in traditional environments and fails to account for the unique experiences of harm reduction workers, community organizers, and SUD treatment clinicians. METHODS: We conducted a qualitative secondary analysis descriptive study of 30 Philadelphia-based harm reduction workers, community organizers, and SUD treatment clinicians about their experiences working in their roles during the COVID-19 pandemic in July-August 2020. Our analysis was guided by Shanafelt and Noseworthy's model of key drivers of burnout and engagement. We aimed to assess the applicability of this model to the experiences of SUD and harm reduction workers in non-traditional settings. RESULTS: We deductively coded our data in alignment with Shanafelt and Noseworthy's key drivers of burnout and engagement: (1) workload and job demands, (2) meaning in work, (3) control and flexibility, (4) work-life integration, (5) organizational culture and values, (6) efficiency and resources and (7) social support and community at work. While Shanafelt and Noseworthy's model broadly encompassed the experiences of our participants, it did not fully account for their concerns about safety at work, lack of control over the work environment, and experiences of task-shifting. CONCLUSIONS: Burnout among healthcare providers is receiving increasing attention nationally. Much of this coverage and the existing research have focused on workers in traditional healthcare spaces and often do not consider the experiences of community-based SUD treatment, overdose prevention, and harm reduction providers. Our findings indicate a gap in existing frameworks for burnout and a need for models that encompass the full range of the harm reduction, overdose prevention, and SUD treatment workforce. As the US overdose crisis continues, it is vital that we address and mitigate experiences of burnout among harm reduction workers, community organizers, and SUD treatment clinicians to protect their wellbeing and to ensure the sustainability of their invaluable work.

Medical Schools as Racialized Organizations: How Race-Neutral Structures Sustain Racial Inequality in Medical Education-a Narrative Review.

In 2021, The American Association of Medical Colleges released a framework addressing structural racism in academic medicine, following the significant, nationwide Movement for Black Lives. The first step of this framework is to "begin self-reflection and educating ourselves." Indeed, ample evidence shows that medical schools have a long history of racially exclusionary practices. Drawing on racialized organizations theory from the field of sociology, we compile and examine scholarship on the role of race and racism in medical training, focusing on disparities in educational and career outcomes, experiences along racial lines in medical training, and long-term implications. From the entrance into medical school through the residency application process, organizational factors such as reliance on standardized tests to predict future success, a hostile learning climate, and racially biased performance metrics negatively impact the careers of trainees of color, particularly those underrepresented in medicine (URiM). Indeed, in addition to structural biases associated with otherwise "objective" metrics, there are racial disparities across subjective outcomes such as the language used in medical trainees' performance evaluations, even when adjusting for grades and board exam scores. These disadvantages contribute to URIM trainees' lower odds of matching, steering into less competitive and lucrative specialties, and burnout and attrition from academic careers. Additionally, hostile racial climates and less diverse medical schools negatively influence White trainees' interest in practicing in underserved communities, disproportionally racial and ethnic minorities. Trainees' mental health suffers along the way, as do medical schools' recruitment, retention, diversity, and inclusion efforts. Evidence shows that seemingly race-neutral processes and structures within medical education, in conjunction with individuals' biases and interpersonal discrimination, may reproduce and sustain racial inequality among medical trainees. Medical schools whose goals include training a more diverse physician workforce towards addressing racial health disparities require a new playbook.

Neighborhood segregation, tree cover and firearm violence in 6 U.S. cities, 2015-2020.

Neighborhood segregation by race and income is a structural determinant of firearm violence. Addressing green space deficits in segregated neighborhoods is a promising prevention strategy. This study assessed the potential for reducing firearm violence disparities by increasing access to tree cover. Units of analysis were census tracts in six U.S. cities (Baltimore, MD; Philadelphia, PA; Richmond, VA; Syracuse, NY; Washington, DC; Wilmington, DE). We measured segregation using the index of concentration at the extremes (ICE) for race-income. We calculated proportion tree cover based on 2013-2014 imagery. Outcomes were 2015-2020 fatal and non-fatal shootings from the Gun Violence Archive. We modeled firearm violence as a function of ICE, tree cover, and covariates representing the social and built environment. Next, we simulated possible effects of "tree equity" programs, i.e., raising tract-level tree cover to a specified baseline level. In our fully-adjusted model, higher privilege on the ICE measure (1 standard deviation, SD) was associated with a 42% reduction in shootings (incidence rate ratio (IRR) = 0.58, 95% CI [0.54 0.62], p < 0.001). A 1-SD increase in tree cover was associated with a 9% reduction (IRR = 0.91, 95% CI [0.86, 0.97], p < 0.01). Simulated achievement of 40% baseline tree cover was associated with reductions in firearm violence, with the largest reductions in highly-deprived neighborhoods. Advancing tree equity would not disrupt the fundamental causes of racial disparities in firearm violence exposure, but may have the potential to help mitigate those disparities.

Medical Schools as Racialized Organizations: A Primer.

The year 2020 saw the largest social movement in response to the police killings of Black people and anti-Black racism in U.S. history. As a result, medical schools and professional societies such as the American Medical Association and the Association of American Medical Colleges are reckoning with their role in perpetuating racial inequality and the impact of structural racism on medical training. Whether these efforts will translate into meaningful change has yet to be determined. Success depends on a deep understanding of the fundamental role racism plays in how medical schools function and an acknowledgment that current organizational structures and processes often serve to entrench, not dismantle, racial inequities. Drawing on racialized organizations theory from the field of sociology, this article gives an overview of scholarship on race and racism in medical training to demonstrate how seemingly race-neutral processes and structures within medical education, in conjunction with individuals' biases and interpersonal discrimination, serve to reproduce and sustain racial inequality. From entrance into medical school through the residency application process, organizational factors such as reliance on standardized tests to predict future success, a hostile learning climate, and racially biased performance metrics ultimately stunt the careers of trainees of color, particularly those from backgrounds underrepresented in medicine (URM). These compounding disadvantages contribute to URM trainees' lower matching odds, steering into less competitive and lucrative specialties, and burnout and attrition from academic careers. In their commitment against structural racism in medical training and academic medicine, medical schools and larger organizations like the Association of American Medical Colleges should prioritize interventions targeted at these structural barriers to achieve equity.

Community Greening, Fear of Crime, and Mental Health Outcomes.

Unmaintained vacant land in urban areas is associated with a number of negative outcomes for residents of urban areas, including mental and physical health, safety, and quality of life. Community programs which promote land parcel maintenance in urban neighborhoods have been found to reverse some of the effects that unmaintained land has on nearby residents. We explored how land parcel maintenance is associated with mental health outcomes using data collected in Flint, MI in 2017-2018. Trained observers assessed the maintenance of approximately 7200 land parcels and surveyed 691 residents (57% Female, 53% Black, M age = 51). We aggregated resident and parcel rating data to 463 street segments and compared three structural equation models (SEM) to estimate the mediating effects of fear of crime on the association of parcel qualities on mental distress for residents. We found that fear of crime mediated the association between parcel maintenance values and mental distress indicating that poor maintenance predicted more fear of crime which was associated with mental distress. Our findings add to our understanding about the mechanism by which vacant lot improvements may operate to enhance psychological well-being of residents who live on streets with vacant and unkept lots.

Association of Gun Violence With Emergency Department Visits for Stress-Responsive Complaints.

STUDY OBJECTIVE: We evaluate the association between living near a neighborhood shooting and emergency department (ED) utilization for stress-responsive complaints. METHODS: In this location-based before-and-after neighborhood study, we examined variability in ED encounter volume for stress-responsive complaints after neighborhood shooting incidents around 2 academic hospitals. We included patients residing within 1/8- and 1/2-mile-diameter buffers around a shooting (place) if their ED encounter occurred 7, 30, or 60 days before or after the shooting (time). Prespecified outcomes were stress-responsive complaints (chest pain, lightheadedness, syncope, hypertension, shortness of breath, asthma, anxiety, depression, and substance use) based on prior literature for stress-responsive diseases. Conditional logistic regression was used to calculate the odds of presentation to the ED with a stress-responsive complaint after, compared with before, a neighborhood shooting incident. RESULTS: Between January 2013 and December 2014, 513 shooting incidents and 19,906 encounters for stress-responsive complaints were included in the analysis. Mean age was 50.3 years (SD 22.3 years), 61.5% were women, and 91% were black. We found increased odds of presenting with syncope in 2 place-time buffers: 30 days in the 1/8-mile buffer (odds ratio 2.61; 99% confidence interval 1.2 to 5.67) and 60 days in 1/8-mile buffer (odds ratio 1.56; 99% confidence interval 0.99 to 2.46). No other chief complaints met our statistical threshold for significance. CONCLUSION: This study evaluated the relationship between objectively measured gun violence exposure and short-term health effect at a microspatial scale. Overall, this was a study with largely negative results, and we did not find any consistent dose-response pattern in time or space regarding neighborhood shootings and stress-responsive presentations to the ED. Theoretic links make this relationship plausible, however, and further investigation is needed to understand the short-term health consequences of violence exposure, and whether those vary based on the circumstances that are experienced inherently by residents of a given neighborhood.

Nurtured in Nature: a Pilot Randomized Controlled Trial to Increase Time in Greenspace among Urban-Dwelling Postpartum Women.

Spending time in nature is associated with numerous mental health benefits, including reduced depression and improved well-being. However, few studies examine the most effective ways to nudge people to spend more time outside. Furthermore, the impact of spending time in nature has not been previously studied as a postpartum depression (PPD) prevention strategy. To fill these gaps, we developed and pilot tested Nurtured in Nature, a 4-week intervention leveraging a behavioral economics framework, and included a Nature Coach, digital nudges, and personalized goal feedback. We conducted a randomized controlled trial among postpartum women (n = 36) in Philadelphia, PA between 9/9/2019 and 3/27/2020. Nature visit frequency and duration was determined using GPS data. PPD was measured using the Edinburgh Postnatal Depression Scale (EPDS). Participants were from low-income, majority Black neighborhoods. Compared to control, the intervention arm had a strong trend toward longer duration and higher frequency of nature visits (IRR 2.6, 95%CI 0.96-2.75, p = 0.059). When analyzing women who completed the intervention (13 of 17 subjects), the intervention was associated with three times higher nature visits compared to control (IRR 3.1, 95%CI 1.16-3.14, p = 0.025). No significant differences were found in the EPDS scores, although we may have been limited by the study's sample size. Nurture in Nature increased the amount of time postpartum women spent in nature, and may be a useful population health tool to leverage the health benefits of nature in majority Black, low-resourced communities.

Neighborhood Interventions to Reduce Violence.

Violence is a widespread problem that affects the physical, mental, and social health of individuals and communities. Violence comes with an immense economic cost to its victims and society at large. Although violence interventions have traditionally targeted individuals, changes to the built environment in places where violence occurs show promise as practical, sustainable, and high-impact preventive measures. This review examines studies that use quasi-experimental or experimental designs to compare violence outcomes for treatment and control groups before and after a change is implemented in the built environment. The most consistent evidence exists in the realm of housing and blight remediation of buildings and land. Some evidence suggests that reducing alcohol availability, improving street connectivity, and providing green housing environments can reduce violent crimes. Finally, studies suggest that neither transit changes nor school openings affect community violence.

The Power of Academic-Practitioner Collaboration to Enhance Science and Practice Integration: Injury and Violence Prevention Case Studies.

One of the most substantial challenges facing the field of injury and violence prevention is bridging the gap between scientific knowledge and its real-world application to achieve population-level impact. Much synergy is gained when academic and practice communities collaborate; however, a number of barriers prevent better integration of science and practice. This article presents 3 examples of academic-practitioner collaborations, their approaches to working together to address injury and violence issues, and emerging indications of the impact on integrating research and practice. The examples fall along the spectrum of engagement with nonacademic partners as coinvestigators and knowledge producers. They also highlight the benefits of academic-community partnerships and the engaged scholarship model under which Centers for Disease Control and Prevention-funded Injury Control Research Centers operate to address the research-to-practice and practice-to-research gap.

The Association Between Urban Tree Cover and Gun Assault: A Case-Control and Case-Crossover Study.

Green space and vegetation may play a protective role against urban violence. We investigated whether being near urban tree cover during outdoor activities was related to being assaulted with a gun. We conducted geographic information systems-assisted interviews with boys and men aged 10-24 years in Philadelphia, Pennsylvania, including 135 patients who had been shot with a firearm and 274 community controls, during 2008-2011. Each subject reported a step-by-step mapped account of where and with whom they traveled over a full day from waking until being assaulted or going to bed. Geocoded path points were overlaid on mapped layers representing tree locations and place-specific characteristics. Conditional logistic regressions were used to compare case subjects versus controls (case-control) and case subjects at the time of injury versus times earlier that day (case-crossover). When comparing cases at the time of assault to controls matched at the same time of day, being under tree cover was inversely associated with gunshot assault (odds ratio (OR) = 0.70, 95% confidence interval (CI): 0.55, 0.88), especially in low-income areas (OR = 0.69, 95% CI: 0.54, 0.87). Case-crossover models confirmed this inverse association overall (OR = 0.55, 95% CI: 0.34, 0.89) and in low-income areas (OR = 0.54, 95% CI: 0.33, 0.88). Urban greening and tree cover may hold promise as proactive strategies to decrease urban violence.

Urban Blight Remediation as a Cost-Beneficial Solution to Firearm Violence.

OBJECTIVES: To determine if blight remediation of abandoned buildings and vacant lots can be a cost-beneficial solution to firearm violence in US cities. METHODS: We performed quasi-experimental analyses of the impacts and economic returns on investment of urban blight remediation programs involving 5112 abandoned buildings and vacant lots on the occurrence of firearm and nonfirearm violence in Philadelphia, Pennsylvania, from 1999 to 2013. We adjusted before-after percent changes and returns on investment in treated versus control groups for sociodemographic factors. RESULTS: Abandoned building remediation significantly reduced firearm violence -39% (95% confidence interval [CI] = -28%, -50%; P < .05) as did vacant lot remediation (-4.6%; 95% CI = -4.2%, -5.0%; P < .001). Neither program significantly affected nonfirearm violence. Respectively, taxpayer and societal returns on investment for the prevention of firearm violence were $5 and $79 for every dollar spent on abandoned building remediation and $26 and $333 for every dollar spent on vacant lot remediation. CONCLUSIONS: Abandoned buildings and vacant lots are blighted structures seen daily by urban residents that may create physical opportunities for violence by sheltering illegal activity and illegal firearms. Urban blight remediation programs can be cost-beneficial strategies that significantly and sustainably reduce firearm violence.

Neighborhood blight, stress, and health: a walking trial of urban greening and ambulatory heart rate.

We measured dynamic stress responses using ambulatory heart rate monitoring as participants in Philadelphia, Pennsylvania walked past vacant lots before and after a greening remediation treatment of randomly selected lots. Being in view of a greened vacant lot decreased heart rate significantly more than did being in view of a nongreened vacant lot or not in view of any vacant lot. Remediating neighborhood blight may reduce stress and improve health.

Nature-Based Strategies for Improving Urban Health and Safety.

Place-based programs are being noticed as key opportunities to prevent disease and promote public health and safety for populations at-large. As one key type of place-based intervention, nature-based and green space strategies can play an especially large role in improving health and safety for dwellers in urban environments such as US legacy cities that lack nature and greenery. In this paper, we describe the current understanding of place-based influences on public health and safety. We focus on nonchemical environmental factors, many of which are related to urban abandonment and blight. We then review findings from studies of nature-based interventions regarding impacts on health, perceptions of safety, and crime. Based on our findings, we suggest that further research in this area will require (1) refined measures of green space, nature, and health and safety for cities, (2) interdisciplinary science and cross-sector policy collaboration, (3) observational studies as well as randomized controlled experiments and natural experiments using appropriate spatial counterfactuals and mixed methods, and (4) return-on-investment calculations of potential economic, social, and health costs and benefits of urban greening initiatives.

Health Care Access and Use Among U.S. Children Exposed to Neighborhood Violence.

INTRODUCTION: Neighborhood violence is an adverse childhood experience which impacts millions of U.S. children and is associated with poor health outcomes across the life course. These effects may be mitigated by access to care. Yet, the ways in which exposure to neighborhood violence shapes children's health care access have been understudied. METHODS: This is a cross-sectional analysis of 16,083 children (weighted N=67,214,201) ages 1 to <18 years from the 2019 and 2021 National Health Interview Survey. Guardians were asked about preventive care access, unmet health needs, and health care utilization in the last year. Changes associated with exposure to neighborhood violence were estimated using marginal effects from multivariable logistic regression models adjusted for year, age, sex, race/ethnicity, parental education, family structure, rurality, income, insurance type, insurance discontinuity, and overall reported health. RESULTS: Of 16,083 sample children, 863 (weighted 5.3% [95% CI 4.8-5.7]) reported exposure to neighborhood violence, representing a weighted population of ∼3.5 million. In adjusted analyses, exposure to violence was associated with forgone prescriptions (adjusted difference 1.2 percentage-points (pp) [95%CI 0.1-2.3]; weighted national population impact 42,833 children), trouble paying medical bills (7.7pp [4.4-11.0]; 271,735), delayed medical (1.5pp [0.2-2.9]; 54,063) and mental health care (2.8pp [1.1-4.6]; 98,627), and increased urgent care (4.5pp [0.9-8.1]; 158,246) and emergency department utilization (6.4pp [3.1-9.8]; 227,373). CONCLUSIONS: In this nationally representative study, neighborhood violence exposure among children was associated with unmet health needs and increased acute care utilization. Evidence-based interventions to improve access to care and reduce economic precarity in communities impacted by violence are needed to mitigate downstream physical and mental health consequences.