What question did this study set out to answer?

This research aims to assess the relationship between various state gun laws and firearm suicide rates across the United States.

April 3, 2026JAMA Network Open1 citationsOpen Access

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State Gun Laws and Firearm Suicide Rates

MGMaple GohBoston University EFEric W. FleeglerHarvard University MSMichael SiegelTufts University

Key Points

This research aims to assess the relationship between various state gun laws and firearm suicide rates across the United States.
Conducted a cross-sectional analysis of data over 49 years from all 50 states.
Evaluated the effects of handgun permit-to-purchase requirements, waiting periods, and concealed carry licensing.
Analyzed both independent and cumulative associations with firearm suicide rates.
Permit-to-purchase requirements are linked to significantly lower firearm suicide rates.
Waiting periods also correlate with reduced suicide rates.
Licensing for concealed carry contributes to lower rates when considered cumulatively with other laws.

Abstract

In this cross-sectional study analyzing data from 49 years and 50 states, permit-to-purchase requirements for handguns, waiting periods, and the requirement for a license for concealed carry were each independently and cumulatively associated with significantly lower firearm suicide rates.

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State Gun Laws and Firearm Suicide Rates

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