Philadelphia had 46 neighborhood mass shootings over 10 years, Temple-led team finds

November 18, 2019

(Philadelphia, PA) - The definition of mass shooting varies widely depending upon the information sources that are used. In a new study published online in the journal Preventive Medicine, a research team led by Temple's Jessica H. Beard, MD, MPH, standardized the defining features of neighborhood mass shootings using police department data, then examined media coverage of the shooting incidents.

The team, led by Dr. Beard, Assistant Professor of Surgery in the Division of Trauma and Surgical Critical Care at the Lewis Katz School of Medicine at Temple University (LKSOM), examined 15,672 firearm assaults reported to the Philadelphia Police Department between January 1, 2006 and December 31, 2015 and looked at the time, date, and location of the incidents; and demographics and mortality of the victims. The researchers determined that three variables were most relevant to a standardized definition of "neighborhood mass shooting": distance between shootings, time between shootings, and total number of victims. Specifically, they defined a neighborhood mass shooting as one that involves four or more victims shot in a one-hour window within 100 meters (about a city block).

Based on those criteria, during the 10 study years, Philadelphia experienced 46 neighborhood mass shootings that injured or killed 212 individuals. Other findings associated with those 46 incidents included:"There is no standard definition of a mass shooting," Dr. Beard said. "Our team sought to devise one that acknowledges conventional definitions but is more inclusive and also considers the impact on communities. We found that there were 46 neighborhood mass shootings in Philadelphia from 2006-2015; for comparison's sake, there were 41 traditionally defined mass shooting events in the country during that time period, according to Mother Jones."

The research team examined how the 46 mass shooting events were reported in public news media, using three full-text newspaper and television transcript databases of local, regional and national media outlets. Examination of reporting within four days of each mass shooting event revealed:"The media have a profound impact on society based on both what they choose to cover and how they choose to cover it," Dr. Beard added. "Neighborhood mass shootings are more common than the public - and policymakers - likely know. Going forward, we would suggest coverage focus more extensively on the complexity of the events, share victims' and survivors' stories, and explore root causes and solutions."
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Other researchers involved in the study include Amy J. Goldberg and Zoë Maher in the Department of Surgery, Division of Trauma and Surgical Critical Care, at LKSOM; Sara F. Jacoby in the Department of Family and Community Health at the University of Pennsylvania School of Nursing; Richard James of the Biomedical Library at the University of Pennsylvania; Beidi Dong in the Department of Criminology, Law and Society, at George Mason University; Mark J. Seamon in the Department of Surgery, Division of Traumatology, Surgical Critical Care and Emergency Surgery, at the Perelman School of Medicine at the University of Pennsylvania; and Christopher N. Morrison in the Department of Epidemiology at the Mailman School of Public Health at Columbia University and the Department of Epidemiology and Preventive Medicine in the School of Public Health and Preventive Medicine at Monash University in Melbourne, Australia.

About Temple Health

Temple University Health System (TUHS) is a $2.2 billion academic health system dedicated to providing access to quality patient care and supporting excellence in medical education and research. The Health System consists of Temple University Hospital (TUH); TUH-Episcopal Campus; TUH-Northeastern Campus; The Hospital of Fox Chase Cancer Center and Affiliates, an NCI-designated comprehensive cancer center; Jeanes Hospital, a community-based hospital offering medical, surgical and emergency services; Temple Transport Team, a ground and air-ambulance company; Temple Physicians, Inc., a network of community-based specialty and primary-care physician practices; and Temple Faculty Practice Plan, Inc., TUHS's physician practice plan comprised of more than 500 full-time and part-time academic physicians in 20 clinical departments. TUHS is affiliated with the Lewis Katz School of Medicine at Temple University.

Temple Health refers to the health, education and research activities carried out by the affiliates of Temple University Health System (TUHS) and by the Katz School of Medicine. TUHS neither provides nor controls the provision of health care. All health care is provided by its member organizations or independent health care providers affiliated with TUHS member organizations. Each TUHS member organization is owned and operated pursuant to its governing documents.

It is the policy of Temple University Health System that there shall be no exclusion from, or participation in, and no one denied the benefits of, the delivery of quality medical care on the basis of race, ethnicity, religion, sexual orientation, gender, gender identity/expression, disability, age, ancestry, color, national origin, physical ability, level of education, or source of payment.

Temple University Health System

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