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This ecological cohort study estimates the proportion of infant and child mortality associated with armed conflict exposure from 1998 to 2019 in Colombia.

This cross-sectional study examines variability in state requirements for National Instant Criminal Background Check System reporting for mental health–related prohibitions on firearm possession in the US.

This quality improvement study assesses heterogeneity in state rules regarding reporting of mental health conditions to the National Instant Criminal Background Check System when individuals seek to acquire firearms.

This cross-sectional study assesses the rate of death due to assault-related firearm injury stratified by community-level social vulnerability and state-level gun laws in a national cohort of US youths aged 10 to 19 years.

This cross-sectional study investigates intimate partner violence circumstances associated with violent deaths in the US from 2015 to 2019.

This cross-sectional study examines the development of a machine learning model using natural language processing to classify the intent of firearm-related injury.

This cluster-randomized trial evaluates the effect of universal school-, family-, and community-based programs on adolescent handgun carrying.

This cross-sectional study assesses non–self-inflicted firearm-related deaths occurring at inpatient or outpatient facilities, hospice care, nursing homes, home, or other settings from 1999 to 2021.

This cross-sectional study examines differences in associations of adolescent interpersonal violence with handgun carrying across the rural-urban continuum.

This cross-sectional study uses case-level electronic health records for 2008 to 2019 from 3 level I US trauma centers to assess intent coding accuracy in hospital data used for firearm injury surveillance.

This qualitative study samples patients with recent experiences answering a firearm question in a large regional health care system and clinicians responsible for engaging patients at risk of suicide in risk mitigation and follow-up care to identify multidimensional practice barriers and facilitators for improving the routine use of standard questions about firearms during mental health care encounters.

This cohort study examines the association between cumulative Earned Income Tax Credit payments to families of children aged 0 to 14 years and risk of criminal conviction during adolescence.

This cohort study assesses specific points of intervention by characterizing patterns of handgun carrying by youths in rural communities from early adolescence to young adulthood and quantifies how age at initiation, duration, and frequency of carrying differ across identified patterns.

This case series examines how individuals who died by suicide responded to a survey question regarding access to firearms before death.

This survey study assesses US gun owners’ knowledge of their state’s gun laws.

This cross-sectional study evaluates whether and how patients self-report firearm access information on a routine mental health monitoring questionnaire and examines sociodemographic and clinical associations of reported access.