Examining the Link Between Gun Laws and Suicides Luskin professor and his student find that states with most-restrictive gun laws have a reduced rate of firearm suicides among older males
By Adeney Zo and Stan Paul
In April, the Centers for Disease Control and Prevention (CDC) released a study showing that, from 1999 to 2014, the rate of suicides in America rose nearly 25 percent, with a marked increase after 2006. And, in this election year, gun control remains one of the most heated topics in the nation.
Researchers at the UCLA Luskin School of Public Affairs have been taking a close look at the role firearms play in suicides — specifically among older adults — and the effect that gun law environment and gun control policies can have on reducing firearm suicides among this age group.
UCLA Social Welfare professor Mark Kaplan and Social Welfare doctoral student Carol Leung’s work on this issue has been presented at conferences across the U.S. Results from their research and presentations were recently published in the study “Deploying an Ecological Model to Stem the Rising Tide of Suicide in Older Age” in the Journal of Aging & Social Policy.
While gun control laws generally can reduce the risk of suicide, few studies exist showing what laws are the most effective in curbing firearm suicides in older males.
“Suicide research is a small niche, but it’s such an important topic,” Leung said. “Two-thirds of all gun deaths are suicides, and 80 percent of older males who complete suicide will use a firearm.”
Among the key results of their study on older men and suicide, Kaplan and Leung found:
- Older men have a higher suicide rate and a higher proportion of suicides involving firearms compared to their younger counterparts.
- States with the most restrictive gun laws (California) have proportionately fewer suicides involving the use of firearms.
- Two out of the six gun policies (“gun owner accountability” and “regulation of sales and transfers”) explained more than half (53 percent) of the variation in the fraction of suicides involving firearms among older men.
- “Gun owner accountability” (i.e., licensing of gun owners and purchases, registration of firearms, and reporting of stolen firearms) accounted for the largest share of the explained variance (50 percent).
“I found a very linear relationship,” said Leung. “States without these policies have the highest rate of firearm-related suicide. The states with the lowest rate of firearm-related suicide have the strictest gun laws.”
As an example, California received an A- on “The 2013 State Scorecard: Why Gun Laws Matter,” produced by the Law Center to Prevent Gun Violence and the Brady Campaign to Prevent Gun Violence, whereas nearly two-thirds of the states received a D or F on the scale.
In addition, Kaplan explained that, in the context of health and older adult suicides, 70 percent of older adults will visit their primary care physician prior to completing suicide.
“We hope to influence health-care providers to be more attentive to anything that seems to be associated with pending suicide attempts,” said Kaplan. “This includes probing for gun availability. The mere presence of a gun matters; their chances of dying by firearm-related accident or suicide increase.”
The researchers know that change doesn’t happen overnight. “Suicide prevention starts with advocacy work that involves collaboration between policy makers, professors and clinicians,” said Leung.
Kaplan and Leung, who also presented at the 49th annual American Association of Suicidology Conference, strongly urge that clinicians and policy makers need to become stronger advocates for a more restrictive gun law environment. Overall, their research demonstrates the important role a “gun law environment” and specific gun control policies can play in reducing firearm suicides among older adults. Their most recent work will contribute to a study to be conducted this summer.
“We strive to harmonize policies and clinical practice with preventing firearm suicides among older adults, particularly older men,” said Leung.
Mark S. Kaplan, Dr. P.H., is professor of Social Welfare at the UCLA Luskin School of Public Affairs. He holds an adjunct appointment in psychiatry at the Oregon Health & Science University. His research focuses on using population-wide data to understand suicide risk factors among veterans, seniors and other vulnerable populations. He is the recipient of a Distinguished Investigator Award from the American Foundation for Suicide Prevention and has contributed to state and federal suicide prevention initiatives.
Carol Leung, LMSW, is a doctoral student in the Department of Social Welfare at the UCLA Luskin School of Public Affairs.
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