Evidence map›Paper›PMID 28481962›Full record

ArticleAmerican journal of epidemiology2017

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

Michelle C Kondo, Eugenia C South, Charles C Branas, Therese S Richmond, Douglas J Wiebe

Open access · bronzeAbstract read
In one paragraph

Article in American journal of epidemiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 1 pooled it
2.9field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed, 1 synthesis or guideline pooled it, 87 citations in OpenAlex.

  1. The Impact of Green Space on Violent Crime in Urban Environments: An Evidence Synthesis.International journal of environmental research and public health · 2019
    Pooled it
  2. Trial
  3. Measuring the Health of Philadelphia's City Council Districts.Journal of urban health : bulletin of the New York Academy of Medicine · 2026
    Article
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  16. Review
  17. Urban Trees and Human Health: A Scoping Review.International journal of environmental research and public health · 2020
    Article
  18. Alcohol outlets and firearm violence: a place-based case-control study using satellite imagery and machine learning.Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention · 2020
    Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Michelle C Kondo
Eugenia C South
Charles C Branas
Therese S Richmond
Douglas J Wiebe

Funding

Alcohol, firearms, and adolescent gunshot injury riskR01AA014944 · NIAAA · UNIVERSITY OF PENNSYLVANIA · PI WIEBE, DOUGLAS J · 2005 to 2008
$2.6M
Studies of space-time activity patterns and fear in urban landscapesK02AA017974 · NIAAA · UNIVERSITY OF PENNSYLVANIA · PI WIEBE, DOUGLAS J · 2009 to 2013
$666k
NCIPC CDC HHS R49 CE002474NIAAA NIH HHS K02 AA017974NIAAA NIH HHS R01 AA014944
6 · The paper itself

Abstract

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.

Indexed as

TreesAdolescentCase-Control StudiesChildCross-Over StudiesFirearmsHumansMalePhiladelphiaRisk FactorsUrban PopulationWounds, GunshotYoung Adultfirearm violencegreen space exposuregun assaulturban tree canopy

Identifiers

PMID28481962
PMCPMC5860224
OpenAlexW2783903813

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.