With suicides continuing to increase, a new study has taken a county-by-county look across the United States to identify factors associated with rising rates of adults taking their own lives.

Lack of insurance, social isolation, low incomes, and the presence of gun stores were among the variables that correlated to heightened rates of suicide, according to the study published recently in the journal JAMA Network Open.

Rural counties, especially those areas that are more sparsely populated and offer limited economic and education opportunities, saw the greatest increases. Communities with many veterans were affected greatly, too.

The researchers, who are affiliated with Ohio State University, West Virginia University and Nationwide Children’s Hospital, hope that their findings can reform policy to address this health crisis.

“Suicide is so complex, and many factors contribute, but this research helps us understand the toll and some of the potential contributing influences based on geography, and that could drive better efforts to prevent these deaths,” said lead researcher Danielle Steelesmith, a postdoctoral fellow at Ohio State University’s Wexner Medical Center.

“While our findings are disheartening,” Steelesmith said, “we’re hopeful that they will help guide efforts to support Americans who are struggling, especially in rural areas where suicide has increased the most and the fastest.”

Nationally, the suicide rate for adults ages 25 to 64 from 1999 to 2016 climbed by 41 percent, according to the study.

This study did not include older adults or teenagers or youths. While adults over age 75 is the only age group to have seen a decrease in suicide in recent years, the rate has risen sharply among teenagers and young adults. In fact, suicide is the second leading cause of death among young people, according to studies. One recent report found that 6,252 people ages 15 to 24 took their own lives in 2017, the highest number since 2000.

From 2013 to 2016, the years reviewed by the researchers, the suicides in large metropolitan areas averaged 17.6 deaths per 100,000 people. In rural areas, the overall rate was 22 deaths per 100,000 residents. The findings include data from more than 450,000 suicides.

Suicide rates were highest in rural counties in several western states and parts of Appalachia and the Ozark Mountains region.

In the hardest-hit counties, suicides were between two and four times more than what would be expected, according to the findings. 

The counties with especially high suicide rates, the research showed, tended to share factors often associated with despair and a dearth of hope, such as poverty and underemployment, as well as social fragmentation and lack of support. These factors tended to be found more in rural areas, suggesting the need for strategies to enhance economic support, coping skills and outreach to people at risk of suicide, according to the authors.

Suicide in urban counties, however, was more linked to the presence of gun shops, noted Cynthia Fontanella, a study co-author and associate professor of psychiatry at Ohio State.

“The data showing that suicides were higher in counties with more gun shops – specifically in urban areas – highlights the potential to reduce access to methods of suicide that can increase the chances an at-risk person will die,” Fontanella said.

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