Purchaser Licensing, Point-of-Sale Background Check Laws, and Firearm Homicide and Suicide in 4 US States, 1985-2017

Alexander D. McCourt, Cassandra K. Crifasi, Elizabeth A. Stuart, Jon S. Vernick, Rose M.C. Kagawa, Garen J. Wintemute, Daniel W. Webster

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives. To estimate and compare the effects of state background check policies on firearm-related mortality in 4 US states.Methods. Annual data from 1985 to 2017 were used to examine Maryland and Pennsylvania, which implemented point-of-sale comprehensive background check (CBC) laws for handgun purchasers; Connecticut, which adopted a handgun purchaser licensing law; and Missouri, which repealed a similar law. Using synthetic control methods, we estimated the effects of these laws on homicide and suicide rates stratified by firearm involvement.Results. There was no consistent relationship between CBC laws and mortality rates. There were estimated decreases in firearm homicide (27.8%) and firearm suicide (23.2%-40.5%) rates associated with Connecticut's law. There were estimated increases in firearm homicide (47.3%), nonfirearm homicide (18.1%), and firearm suicide (23.5%) rates associated with Missouri's repeal.Conclusions. Purchaser licensing laws coupled with CBC requirements were consistently associated with lower firearm homicide and suicide rates, but CBC laws alone were not.Public Health Implications. Our results contribute to a body of research showing that CBC laws are not associated with reductions in firearm-related deaths unless they are coupled with handgun purchaser licensing laws.

Original languageEnglish (US)
Pages (from-to)1546-1552
Number of pages7
JournalAmerican journal of public health
Volume110
Issue number10
DOIs
StatePublished - Oct 1 2020

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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