期刊
PREVENTIVE MEDICINE
卷 153, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ypmed.2021.106821
关键词
Suicide; Alcohol; Drug; Firearm; Handgun; Gun; Substance use
资金
- California Firearm Violence Research Center at UC Davis
- National Institute on Alcohol Abuse and Alcoholism [1R01AA023551-01A1]
- California Wellness Foundation [2014-255]
- Heising-Simons Foundation [2016-219]
- Robertson Fellowship in Violence Prevention Research
The study found that firearm owners with alcohol-related charges have a higher risk of suicide and firearm suicide, especially those with recent charges or multiple charges. In contrast, there was no significant association between drug-related charges and suicide risk, or between a combination of alcohol and drug charges and suicide risk.
Firearm access is a risk factor for firearm suicide; substance use may confer additional risk. In this retrospective cohort study, we estimated the associations between prior alcohol and drug charges at the time of handgun purchase and subsequent suicide among men in California. The sample comprised all men who legally purchased a handgun in California in 2001 and who were age >= 21 at the time of acquisition (N = 101,377), identified in the California Department of Justice (CA DOJ) Dealer's Record of Sale database. Exposures included alcohol and drug criminal charges and convictions accrued January 1, 1990 until the first ('index') handgun acquisition in 2001, recorded in the CA DOJ Criminal History Information System. Outcomes included suicide and firearm suicide occurring after the index purchase and before January 1, 2016. A total of 1907 purchasers had alcohol charges, 1248 had drug charges, and 304 had both; 594 purchasers died by suicide (516 by firearm suicide). Compared with those with neither alcohol nor drug charges, those with alcohol charges had 2.20 times the hazard of suicide (95% confidence interval [CI], 1.39-3.46) and 2.22 times the hazard of firearm suicide (95% CI, 1.36-3.62). Risk was most elevated among those with more recent charges and those with 2 or more charges, and in the time period closest to the purchase. The associations for drug charges and the combination of alcohol and drug charges were not distinguishable from the null. Firearm owners with alcohol offenses may benefit from intervention to reduce firearm access and alcohol use.
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