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    1 Comment for this article
    Helping youth
    Frederick Rivara, MD, MPH | University of Washington
    While this is a complicated study, the messages are pretty straightforward. Youth who engage in some types of high risk behaviors are also more likely to engage in other high risk behaviors as well. The other message is that social supporting natural mentoring are important in protecting against some high risk behaviors, but that the effect of these factors is influenced by other factors in the environment, such as levels of community violence.
    CONFLICT OF INTEREST: Editor in Chief, JAMA Network Open
    Original Investigation
    September 13, 2019

    Co-occurrence of Violence-Related Risk and Protective Behaviors and Adult Support Among Male Youth in Urban Neighborhoods

    Author Affiliations
    • 1Division of Adolescent and Young Adult Medicine, UMPC Children’s Hospital of Pittsburgh, Pittsburgh, Pennsylvania
    • 2Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
    • 3Department of Behavioral and Community Health Sciences, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
    • 4Division of General Internal Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
    JAMA Netw Open. 2019;2(9):e1911375. doi:10.1001/jamanetworkopen.2019.11375
    Key Points español 中文 (chinese)

    Question  How is adult support associated with detailed patterns of violence and risk or protective behavior co-occurrence among male youth in urban neighborhoods?

    Findings  In this cross-sectional study of data from a recently completed randomized clinical trial that included 866 male youths, detailed co-occurrence patterns demonstrated association clusters of sexual violence, youth violence, and bullying perpetration. Participants with social support reported significantly fewer risk behaviors.

    Meaning  This study suggests that violence prevention interventions designed to leverage adult support should address broader co-occurrence patterns.


    Importance  Male youth in lower-resource neighborhoods bear a disproportionate burden of violence involvement, but little is known about clusters of specific violence-related behaviors to inform cross-cutting interventions that address multiple forms of violence.

    Objective  To examine associations between adult support and patterns of violence and risk or protective behavior co-occurrence among male youths in urban neighborhoods.

    Design, Setting, and Participants  Cross-sectional analysis of baseline and end-of-program data from a recently completed cluster-randomized sexual violence prevention trial across 20 lower-resource neighborhoods. Participants were male youths, aged 13 to 19 years, enrolled at youth-serving community agencies in Pittsburgh, Pennsylvania, from July 27, 2015, to June 5, 2017. Data were analyzed from July 1, 2018, to February 28, 2019.

    Exposures  Social support and natural mentoring, as defined by validated survey measures.

    Main Outcomes and Measures  Validated survey measures (youth violence, bullying, sexual and dating violence, history of exposure to violence and related adversities, substance use, school engagement, and future orientation) were assessed for detailed co-occurrence patterns using hierarchical clustering, dendrograms, and heatmaps across prespecified domains. Wilcoxon rank sum tests and logistic regression models examined associations between adult support and violence involvement.

    Results  Among 866 participants, the mean (SD) age was 15.5 (1.6) years and 632 participants (77.5%) identified as African American. All 866 participants completed baseline surveys and 577 completed end-of-program surveys. Seven clusters of risk and protective behaviors emerged: (1) school engagement; (2) career and future aspirations; (3) substance use and bullying exposure; (4) exposure to violence and related adversities, sexual violence exposure, peer delinquency, and gang involvement; (5) sexual violence, youth violence, and bullying perpetration; (6) dating abuse perpetration; and (7) physical or sexual partner violence perpetration. The strongest association cluster occurred among sexual violence perpetration behaviors. Youth with high social support engaged in significantly fewer of the 40 prespecified risk behaviors (high social support median [interquartile range], 8 [5-12] behaviors vs low social support median [interquartile range], 10 [6-14] behaviors; mean difference, 1.64 behaviors; 95% CI, 0.63-2.64 behaviors; P = .004). High social support and natural mentoring were both inversely associated with gang involvement (social support: odds ratio [OR], 0.39; 95% CI, 0.22-0.71; and natural mentoring: OR, 0.44; 95% CI, 0.25-0.76) and sexual violence exposure (social support: OR, 0.39; 95% CI, 0.24-0.64; and natural mentoring: OR, 0.61; 95% CI, 0.39-0.98).

    Conclusions and Relevance  These findings suggest that co-occurrence of risk and protective behaviors differ significantly among youth with vs without adult support. Violence prevention interventions designed to leverage adult support should address broader co-occurrence patterns.