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Barnard LM, Batta N, McCarthy M, Thies K, Robinson C, Schultze M, Betz ME, Knoepke CE. Implementation of Extreme Risk Protection Orders in Colorado from 2020 to 2022: Firearm relinquishment and return and petitioner characteristics. Prev Med Rep 2024; 44:102800. [PMID: 39035359 PMCID: PMC11260331 DOI: 10.1016/j.pmedr.2024.102800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 06/13/2024] [Accepted: 06/13/2024] [Indexed: 07/23/2024] Open
Abstract
Introduction Firearm injury remains a public health problem, with nearly 50,000 firearm-related deaths in the US in 2021. Extreme risk protection orders (ERPOs) are civil restraining orders that intend to reduce firearm deaths by temporarily removing firearms from individuals who are threatening violence to themselves or others. We described ERPO use by petitioner type and implementation including firearm removal. Methods All ERPO petitions filed in Colorado (1/1/2020-12/31/2022) were analyzed using an established abstraction tool and team-based approach. Case data abstracted from petitions and court documents were analyzed descriptively. Results Over three years, there were 353 ERPO petitions filed in Colorado. Only 39 % percent of granted petitions had documentation of firearms being relinquished. The average number firearms relinquished was 1.8 with a range of 1 to 31 firearms. One third (37.7 %) of petitions mentioned a mental health issue, 10 % had a renewal request, and half (54.6 %) of petitions were filed by law enforcement (LE). LE petitions filed were more likely to be granted temporary ERPOs (94.3 % vs 35.0 %, p < 0.0001) and full year ERPOs (79.7 % vs 39.3 %, p < 0.0001) compared to non-LE petitions. Conclusion Results from these analyses shed light on data gaps surrounding ERPO use and implementation. Differences in LE vs others' ERPO outcomes suggest a need for additional research and training. ERPOs' efficacy hinges on removing access to firearms among those at risk, and a lack of documentation limits the ability to evaluate these policies. This suggests a need to standardize reporting to ensure ERPO utilization and impact can be evaluated.Mini abstract: This descriptive study assessed use, implementation and data gaps surrounding Extreme Risk Protection Orders in Colorado.Abbreviations: Extreme risk protection orders (ERPOs) are civil restraining orders that intend to reduce firearm deaths by temporarily removing firearms from individuals who are threatening violence to themselves or others.
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Affiliation(s)
- Leslie M Barnard
- Firearm Injury Prevention Initiative, University of Colorado School of Medicine, Aurora, CO, USA
- Department of Epidemiology, University of Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Nisha Batta
- Department of Emergency Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Megan McCarthy
- Injury and Violence Prevention Center, University of Colorado, School of Medicine and University of Colorado, School of Public Health, Aurora, CO, USA
| | - Kimberly Thies
- Department of Emergency Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Caitlin Robinson
- Department of Emergency Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Marcus Schultze
- Injury and Violence Prevention Center, University of Colorado, School of Medicine and University of Colorado, School of Public Health, Aurora, CO, USA
| | - Marian E. Betz
- Firearm Injury Prevention Initiative, University of Colorado School of Medicine, Aurora, CO, USA
- Department of Emergency Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Christopher E. Knoepke
- Firearm Injury Prevention Initiative, University of Colorado School of Medicine, Aurora, CO, USA
- Adult and Child Center for Outcomes Research & Delivery Science, University of Colorado School of Medicine, Aurora, CO, USA
- Division of Cardiology, University of Colorado School of Medicine, Aurora, CO, USA
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Betz ME, Frattaroli S, Knoepke CE, Johnson R, Christy A, Schleimer JP, Pear VA, McCarthy M, Kapoor R, Norko MA, Rowhani-Rahbar A, Ma W, Wintemute GJ, Swanson JW, Zeoli AM. Extreme Risk Protection Orders in Older Adults in Six U.S. States: A Descriptive Study. Clin Gerontol 2024; 47:536-543. [PMID: 37688772 PMCID: PMC11229607 DOI: 10.1080/07317115.2023.2254279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/11/2023]
Abstract
OBJECTIVES Extreme Risk Protection Orders (ERPOs) allow a court to restrict firearm access for individuals ("respondents") at imminent risk of harm to self/others. Little is known about ERPOs use for older adults, a population with higher rates of suicide and dementia. METHODS We abstracted ERPO cases through June 30, 2020, from California, Colorado, Connecticut, Florida, Maryland, and Washington. We restricted our analysis to petitions for older (≥65 years) respondents, stratified by documented cognitive impairment. RESULTS Among 6,699 ERPO petitions, 672 (10.0%) were for older adults; 13.7% (n = 92) of these noted cognitive impairment. Most were white (75.7%) men (90.2%). Cognitively impaired (vs. non-impaired) respondents were older (mean age 78.2 vs 72.7 years) and more likely to have documented irrational/erratic behavior (30.4% vs 15.7%), but less likely to have documented suicidality (33.7% vs 55.0%). At the time of the petition, 56.2% of older adult respondents had documented firearm access (median accessible firearms = 3, range 1-160). CONCLUSIONS Approximately 14% of ERPO petitions for older adults involved cognitive impairment; one-third of these noted suicide risk. Studies examining ERPO implementation across states may inform usage and awareness. CLINICAL IMPLICATIONS ERPOs may reduce firearm access among older adults with cognitive impairment, suicidality, or risk of violence.
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Affiliation(s)
- Marian E Betz
- Department of Emergency Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
- Firearm Injury Prevention Initiative, University of Colorado School of Medicine, Aurora, Colorado, USA
- VA Eastern Colorado Geriatric Research Education and Clinical Center, Aurora, Colorado, USA
| | - Shannon Frattaroli
- Center for Gun Violence Solutions, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Christopher E Knoepke
- Firearm Injury Prevention Initiative, University of Colorado School of Medicine, Aurora, Colorado, USA
- Adult & Child Consortium for Outcomes Research & Delivery Science, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Division of Cardiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Rachel Johnson
- Center for Innovative Design & Analysis, Department of Biostatistics & Informatics, Colorado School of Public health, Aurora, Colorado, USA
| | - Annette Christy
- Department of Mental Health Law and Policy at the de la Parte Florida Mental Health Institute, College of Behavioral and Community Sciences, University of South Florida, Tampa, Florida, USA
| | - Julia P Schleimer
- Violence Prevention Research Program, University of California Davis School of Medicine, Sacramento, California, USA
- Firearm Injury & Policy Research Program, University of Washington, Seattle, Washington, USA
- Department of Epidemiology, School of Public Health, University of Washington, Seattle, Washington, USA
| | - Veronica A Pear
- Violence Prevention Research Program, University of California Davis School of Medicine, Sacramento, California, USA
| | - Megan McCarthy
- Firearm Injury Prevention Initiative, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Reena Kapoor
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Michael A Norko
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Ali Rowhani-Rahbar
- Firearm Injury & Policy Research Program, University of Washington, Seattle, Washington, USA
- Department of Epidemiology, School of Public Health, University of Washington, Seattle, Washington, USA
| | - Wenjuan Ma
- Center for Statistical Training and Consulting, Michigan State University, Lansing, Michigan, USA
| | - Garen J Wintemute
- Violence Prevention Research Program, University of California Davis School of Medicine, Sacramento, California, USA
| | - Jeffrey W Swanson
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina, USA
| | - April M Zeoli
- Department of Health Management and Policy, University of Michigan, School of Public Health, Ann Arbor, Michigan, USA
- Institute for Firearm Injury Prevention, University of Michigan, Ann Arbor, Michigan, USA
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Lafferty M, O'Neill A, Cerra N, Maxim L, Mulcahy A, Wyse JJ, Carlson KF. Let's Talk About Firearms: Perspectives of Older Veterans and VA Clinicians on Universal and Dementia-Specific Firearm Safety Discussions. Clin Gerontol 2023:1-11. [PMID: 37665611 DOI: 10.1080/07317115.2023.2254292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
OBJECTIVES Veterans experience high rates of fatal and non-fatal firearm injuries. This risk may be compounded among Veterans who are rural-residing, aging, and/or experiencing cognitive decline or dementia. Firearm safety discussions are not broadly implemented across Department of Veterans Affairs (VA) healthcare settings due, in part, to concerns of causing Veterans to disengage from care. This study examines perceptions about firearm safety discussions to inform healthcare-based harm-reduction efforts. METHODS We conducted interviews with 34 Veterans (median age 70) and 22 clinicians from four VA facilities that treat high rates of rural patients with firearm-related injuries. RESULTS Most Veterans accepted the idea of universal firearm safety discussions at the VA. Some reported they might not be forthright in such discussions, but raising the topic would not stop them from engaging with VA care. Veterans and clinicians unanimously endorsed firearm safety discussions for older patients experiencing cognitive decline or dementia. CONCLUSIONS VA patients and clinicians are amenable to firearm safety discussions during healthcare visits and especially endorse the need for such discussions among high-risk populations. CLINICAL IMPLICATIONS Universal firearm safety discussions could be incorporated into standard VA practice, particularly for Veterans experiencing cognitive decline or dementia, without risking Veteran disengagement from care.
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Affiliation(s)
- Megan Lafferty
- Center to Improve Veteran Involvement in Care (CIVIC), VA Portland Health Care System, Portland, USA
| | - AnnaMarie O'Neill
- Center to Improve Veteran Involvement in Care (CIVIC), VA Portland Health Care System, Portland, USA
| | - Nicole Cerra
- Center to Improve Veteran Involvement in Care (CIVIC), VA Portland Health Care System, Portland, USA
- School of Public Health, Oregon Health & Science University, Portland State University, Portland, USA
| | - Lauren Maxim
- Center to Improve Veteran Involvement in Care (CIVIC), VA Portland Health Care System, Portland, USA
| | - Abigail Mulcahy
- Center to Improve Veteran Involvement in Care (CIVIC), VA Portland Health Care System, Portland, USA
- School of Public Health, Oregon Health & Science University, Portland State University, Portland, USA
| | - Jessica J Wyse
- Center to Improve Veteran Involvement in Care (CIVIC), VA Portland Health Care System, Portland, USA
- School of Public Health, Oregon Health & Science University, Portland State University, Portland, USA
| | - Kathleen F Carlson
- Center to Improve Veteran Involvement in Care (CIVIC), VA Portland Health Care System, Portland, USA
- School of Public Health, Oregon Health & Science University, Portland State University, Portland, USA
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Betz M, Polzer E, Knoepke C, Prater L, Simonetti J, Lee T, Meador L, Nearing K. Cars, Guns, Aging, and "Giving Up the Keys". THE GERONTOLOGIST 2023; 63:717-730. [PMID: 36383376 PMCID: PMC10167763 DOI: 10.1093/geront/gnac142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Age-associated changes can impair abilities for safe driving and the use of firearms. We sought to examine multiple perspectives on reducing access to firearms, including similarities and differences compared to reducing driving. RESEARCH DESIGN AND METHODS Online focus groups and 1-on-1 interviews were conducted (November 2020 to May 2021) in the United States with: older adults who drove and owned firearms; family members of older adult firearm owners/drivers; professionals in aging-related agencies; and firearm retailers/instructors. Recorded sessions were transcribed, coded, and analyzed following a mixed inductive-deductive thematic analysis process. RESULTS Among 104 participants (81 in focus groups, 23 in interviews), 50 (48%) were female, and 92 (88%) White. Key similarities: decisions are emotional and challenging; needs change over time; safety concerns are heightened by new impairments; prior experiences prompt future planning; tension between autonomy and reliance on trusted others; and strategies like reframing may ease transitions and avoid confrontations. Key differences: "retirement" was not an acceptable term for firearms; reducing driving may affect daily independence more, but there are few alternatives for the psychological safety conferred by firearms; and there are specific firearm-related legal concerns but more driving-related regulations, policies, and resources. DISCUSSION AND IMPLICATIONS The similarities and differences in the processes and preferences related to reducing driving or firearm access have implications for the development of resources to support planning and action. Such resources for the public and providers might empower older adults and their families to make voluntary, shared decisions, and reduce injuries and deaths.
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Affiliation(s)
- Marian E Betz
- Department of Emergency Medicine, School of Medicine, University of Colorado, Aurora, Colorado, USA
- VA Eastern Colorado Geriatric Research Education and Clinical Center, Rocky Mountain Regional VA Medical Center, Aurora, Colorado, USA
| | - Evan R Polzer
- Department of Emergency Medicine, School of Medicine, University of Colorado, Aurora, Colorado, USA
- Rocky Mountain Mental Illness Research, Education, and Clinical Center for Suicide Prevention, Veterans Health Administration, Aurora, Colorado, USA
| | - Christopher E Knoepke
- Division of Cardiology, School of Medicine, University of Colorado, Aurora, Colorado, USA
- Adult and Child Consortium for Outcomes Research and Delivery Science, School of Medicine, University of Colorado, Aurora, Colorado, USA
| | - Laura C Prater
- Department of Epidemiology, School of Public Health, University of Washington, Seattle, Washington,USA
- Harborview Injury Prevention and Research Center, Harborview Medical Center, University of Washington, Seattle, Washington,USA
| | - Joseph A Simonetti
- Rocky Mountain Mental Illness Research, Education, and Clinical Center for Suicide Prevention, Veterans Health Administration, Aurora, Colorado, USA
- Division of Hospital Medicine, University of Colorado Anschutz School of Medicine, Aurora, Colorado, USA
| | - Teresa M Lee
- Department of Neurology, School of Medicine, University of Colorado, Aurora, Colorado, USA
| | - Lauren E Meador
- Department of Emergency Medicine, School of Medicine, University of Colorado, Aurora, Colorado, USA
- Department of Pathology, Stanford Medicine, Palo Alto, California, USA
| | - Kathryn A Nearing
- VA Eastern Colorado Geriatric Research Education and Clinical Center, Rocky Mountain Regional VA Medical Center, Aurora, Colorado, USA
- Division of Geriatrics and Multidisciplinary Center on Aging, School of Medicine, University of Colorado, Aurora, Colorado, USA
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Prater L, Rooney L, Bowen AG, Conrick K, Mustafa A, Moore M, Rivara FP, Rowhani-Rahbar A. Civilian Petitioners and Extreme Risk Protection Orders in the State of Washington. Psychiatr Serv 2022; 73:1263-1269. [PMID: 35611513 DOI: 10.1176/appi.ps.202100636] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Extreme risk protection orders (ERPOs) are civil orders designed to temporarily restrict access to firearms when people are at substantial risk of harm to themselves or others. A minority of ERPOs in the United States have been filed by civilians, with most filed by law enforcement. The authors examined barriers and facilitators to the ERPO filing process from the perspective of the civilian petitioner. METHODS Semistructured interviews of civilian petitioners who filed ERPOs in Washington State from December 2016 to September 2020 were conducted. The interviews examined both barriers and facilitators to filing an ERPO. A descriptive and qualitative approach with inductive-deductive thematic analysis was used to identify and code themes. RESULTS Fifteen civilian petitioners were interviewed. Barriers to ERPO filing included perceived lack of help connecting with social services to address the potential for harmful behavior, confusion regarding the filing and court process, and petitioner distress. Facilitators included having previous legal experience, having assistance from advocates who helped shepherd petitioners through the process, and simplification of the ERPO process. CONCLUSIONS ERPO is a useful tool for suicide and violence prevention, but several barriers may be inhibiting ERPO use among civilian petitioners. Better educational resources and advocacy programs, as well as simplified filing steps, could improve the process and make ERPOs more accessible for civilians.
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Affiliation(s)
- Laura Prater
- Firearm Injury and Policy Research Program, Harborview Injury Prevention and Research Center, University of Washington, Seattle (all authors); Department of Psychiatry and Behavioral Science, School of Medicine, University of Washington, Seattle (Prater); School of Social Work, University of Washington, Seattle (Conrick, Moore); Department of Pediatrics (Rivara) and Department of Epidemiology, School of Public Health (Rowhani-Rahbar), University of Washington, Seattle
| | - Lauren Rooney
- Firearm Injury and Policy Research Program, Harborview Injury Prevention and Research Center, University of Washington, Seattle (all authors); Department of Psychiatry and Behavioral Science, School of Medicine, University of Washington, Seattle (Prater); School of Social Work, University of Washington, Seattle (Conrick, Moore); Department of Pediatrics (Rivara) and Department of Epidemiology, School of Public Health (Rowhani-Rahbar), University of Washington, Seattle
| | - Andrew G Bowen
- Firearm Injury and Policy Research Program, Harborview Injury Prevention and Research Center, University of Washington, Seattle (all authors); Department of Psychiatry and Behavioral Science, School of Medicine, University of Washington, Seattle (Prater); School of Social Work, University of Washington, Seattle (Conrick, Moore); Department of Pediatrics (Rivara) and Department of Epidemiology, School of Public Health (Rowhani-Rahbar), University of Washington, Seattle
| | - Kelsey Conrick
- Firearm Injury and Policy Research Program, Harborview Injury Prevention and Research Center, University of Washington, Seattle (all authors); Department of Psychiatry and Behavioral Science, School of Medicine, University of Washington, Seattle (Prater); School of Social Work, University of Washington, Seattle (Conrick, Moore); Department of Pediatrics (Rivara) and Department of Epidemiology, School of Public Health (Rowhani-Rahbar), University of Washington, Seattle
| | - Ayah Mustafa
- Firearm Injury and Policy Research Program, Harborview Injury Prevention and Research Center, University of Washington, Seattle (all authors); Department of Psychiatry and Behavioral Science, School of Medicine, University of Washington, Seattle (Prater); School of Social Work, University of Washington, Seattle (Conrick, Moore); Department of Pediatrics (Rivara) and Department of Epidemiology, School of Public Health (Rowhani-Rahbar), University of Washington, Seattle
| | - Megan Moore
- Firearm Injury and Policy Research Program, Harborview Injury Prevention and Research Center, University of Washington, Seattle (all authors); Department of Psychiatry and Behavioral Science, School of Medicine, University of Washington, Seattle (Prater); School of Social Work, University of Washington, Seattle (Conrick, Moore); Department of Pediatrics (Rivara) and Department of Epidemiology, School of Public Health (Rowhani-Rahbar), University of Washington, Seattle
| | - Frederick P Rivara
- Firearm Injury and Policy Research Program, Harborview Injury Prevention and Research Center, University of Washington, Seattle (all authors); Department of Psychiatry and Behavioral Science, School of Medicine, University of Washington, Seattle (Prater); School of Social Work, University of Washington, Seattle (Conrick, Moore); Department of Pediatrics (Rivara) and Department of Epidemiology, School of Public Health (Rowhani-Rahbar), University of Washington, Seattle
| | - Ali Rowhani-Rahbar
- Firearm Injury and Policy Research Program, Harborview Injury Prevention and Research Center, University of Washington, Seattle (all authors); Department of Psychiatry and Behavioral Science, School of Medicine, University of Washington, Seattle (Prater); School of Social Work, University of Washington, Seattle (Conrick, Moore); Department of Pediatrics (Rivara) and Department of Epidemiology, School of Public Health (Rowhani-Rahbar), University of Washington, Seattle
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Pallin R, Aubel AJ, Knoepke CE, Pear VA, Wintemute GJ, Kravitz-Wirtz N. News media coverage of extreme risk protection order policies surrounding the Parkland shooting: a mixed-methods analysis. BMC Public Health 2021; 21:1986. [PMID: 34727916 PMCID: PMC8565081 DOI: 10.1186/s12889-021-11909-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 09/23/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Following the 2018 mass shooting at Marjory Stoneman Douglas High School in Parkland, Florida, there was a dramatic increase in media coverage of extreme risk protection orders (ERPOs) and in state policy proposals for ERPO laws. This study documents the frequency of news coverage of ERPOs throughout 2018 and examines the narratives used by media outlets to describe this risk-based firearm policy. METHODS Using a mixed-method descriptive design, we examine the frequency of national news media coverage of ERPO legislation in 2018, before and after the Parkland shooting, and analyze the content of news articles related to a sample of states that considered ERPO legislation after the shooting. RESULTS We find a sharp increase in the frequency of articles related to ERPOs following the Parkland shooting and smaller increases in coverage surrounding ERPO policy proposals and other public mass shootings that year. Nearly three-quarters of articles in our content analysis mentioned the Parkland shooting. The news media often mentioned or quoted politicians compared to other stakeholders, infrequently specified uses for ERPOs (e.g., prevention of mass violence, suicide, or other violence), and rarely included evidence on effectiveness of such policies. More than one-quarter of articles mentioned a mass shooting perpetrator by name, and one-third of articles used the term "gun control." CONCLUSIONS This study describes the emerging public discourse, as informed by media messaging and framing, on ERPOs as states continue to debate and implement these risk-based firearm violence prevention policies.
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Affiliation(s)
- Rocco Pallin
- Violence Prevention Research Program, Department of Emergency Medicine, University of California Davis School of Medicine, 2315 Stockton Blvd, Sacramento, CA, 95817, USA.
- California Firearm Violence Research Center at UC Davis, 2315 Stockton Blvd, Sacramento, CA, 95817, USA.
| | - Amanda J Aubel
- Violence Prevention Research Program, Department of Emergency Medicine, University of California Davis School of Medicine, 2315 Stockton Blvd, Sacramento, CA, 95817, USA
- California Firearm Violence Research Center at UC Davis, 2315 Stockton Blvd, Sacramento, CA, 95817, USA
| | - Christopher E Knoepke
- Division of Cardiology, University of Colorado School of Medicine, 13199 East Montview Boulevard, Suite 300, Aurora, CO, 80045, USA
- Adult and Child Consortium for Outcomes Research and Delivery Science, University of Colorado School of Medicine, 13199 East Montview Boulevard, Suite 300, Aurora, CO, 80045, USA
| | - Veronica A Pear
- Violence Prevention Research Program, Department of Emergency Medicine, University of California Davis School of Medicine, 2315 Stockton Blvd, Sacramento, CA, 95817, USA
- California Firearm Violence Research Center at UC Davis, 2315 Stockton Blvd, Sacramento, CA, 95817, USA
| | - Garen J Wintemute
- Violence Prevention Research Program, Department of Emergency Medicine, University of California Davis School of Medicine, 2315 Stockton Blvd, Sacramento, CA, 95817, USA
- California Firearm Violence Research Center at UC Davis, 2315 Stockton Blvd, Sacramento, CA, 95817, USA
| | - Nicole Kravitz-Wirtz
- Violence Prevention Research Program, Department of Emergency Medicine, University of California Davis School of Medicine, 2315 Stockton Blvd, Sacramento, CA, 95817, USA
- California Firearm Violence Research Center at UC Davis, 2315 Stockton Blvd, Sacramento, CA, 95817, USA
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