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  • Title: Adolescent Suicide, Household Firearm Ownership, and the Effects of Child Access Prevention Laws.
    Author: Kivisto AJ, Kivisto KL, Gurnell E, Phalen P, Ray B.
    Journal: J Am Acad Child Adolesc Psychiatry; 2021 Sep; 60(9):1096-1104. PubMed ID: 32971189.
    Abstract:
    OBJECTIVE: This study has 3 objectives: to examine the association between state-level firearm ownership and suicide among adolescents of high school age; to compare the strength of the firearm ownership-suicide association among adolescents relative to adults; and to evaluate the relationship between 11 child access prevention (CAP) laws and suicide. METHOD: Using an ecological time series cross-sectional design, we modeled suicide rates from January 1, 1991, to December 31, 2017, as a function of household firearm ownership and states' implementation of CAP provisions using fixed effect negative binomial models. RESULTS: There were 37,652 suicides among adolescents between the ages of 14 and 18 years during the study period, and more than half of all suicides (51.5%, n = 19,402) involved firearms. Each 10 percentage-point increase in states' firearm ownership was associated with a 39.3% (35.1%-43.5%) increase in firearm suicide, which in turn contributed a 6.8% (2.5%-11.1%) increase in all-cause suicide. The association between firearm ownership and suicide was approximately 2 times stronger among adolescents relative to adults. Policies mandating locks and safe storage were associated with a 13.1% (2.7%-22.3%) reduction in adolescent firearm suicide and an unexplained 8.7% (1.2%-15.7%) reduction in non-firearm suicide. CAP provisions were associated with reduced firearm suicide across the lifespan, but effects were stronger among adolescents. CONCLUSION: There is an increased risk of adolescent suicide associated with household firearm ownership, and safe storage provisions are associated with decreased adolescent firearm suicide.
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