Tree cover protecting against violent assault Space-time studies


reen 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 … Read More

RECOUPS Space-time studies

recoups video screenshot 4 kids

RECOUPS – Recovering Concussion Update on Progression of Symptoms. bjective and timely measures of physical and cognitive activity are needed to more precisely define the relationship between physical and cognitive rest and clinical outcomes, such as symptom status, on the days and weeks following concussion. In response, we conducted a prospective cohort study where patients ages 11-19 years with a … Read More

Space-time study of school safety Space-time studies


e are conducting an epidemiologic space-time study of youths’ activities and their safety before, during, and after school. Over a period of 18 months, we are enrolling youth between the ages of 12 and 18 years to participate. These are youth who were injured as a result of violence that occurred at school or during school activities, and required treatment … Read More

Stress associated with public health fieldwork Space-time studies


iolence is a risk that public health field workers face, and stress is a risk that is experienced even more often than is violence. Occupational stress can lower memory capacity, undermine decision-making processes, and increase stereotyping and bias interpretations. With these issues being germane to public health research, the stress that field workers experience is important to understand. When planning … Read More

Neighborhoods, daily activities, and measuring health risks experienced in urban environments Space-time studies

Six homes and paths

tudies of place and health often classify a subject’s exposure status according to that which is present in their neighborhood of residence. One’s neighborhood is often proxied by designating it to be an administratively defined unit such as census tract, to make analysis feasible. Although it is understood that residential space and actual lived space may not correspond and therefore … Read More

Homicide and geographic access to gun dealers in the United States Space-time studies


irearms are the most commonly used weapon to commit homicide in the U.S. Virtually all firearms enter the public marketplace through a federal firearms licensee (FFL): a store or individual licensed by the federal government to sell firearms. Whether FFLs contribute to gun-related homicide in areas where they are located, in which case FFLs may be a homicide risk factor … Read More

Fears of violence during morning travel to school Space-time studies


hildren’s safety as they travel to school is a concern nationwide. We investigated how safe children felt from the risk of being assaulted during morning travel to school. Children between 10 and 18 years old were recruited in Philadelphia and interviewed with the aid of geographic information system (GIS) mapping software about a recent trip to school, situational characteristics, and … Read More

Psychological effects of injuries in urban black men: a disparate health issue Space-time studies


he nexus of injury and black males in urban environments is well-known and so accepted that when an urban black male is injured, it is reported as a statistic, rarely associated with a name, and not reported on the front page of the newspaper. These injured men are typically transported to trauma centers where they are resuscitated, surgically repaired, and … Read More