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New research finds that concussion incidence increases the risk of a suicide attempt in some children with a history of depression.

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7/1/2022

PITTSBURGH A child’s history of depression and concussion within the previous year, along with their race, ethnicity and sex, can help predict the likelihood of a suicide attempt, according to a new study led by University of Pittsburgh School of Medicine researchers. 

The study, published today in JAMA Network Open, is one of the first to delve into the complex relationship between race, ethnicity, depression and concussion in teenagers and pre-teens.  The researchers gathered data from over 28,000 children in 9th through 12th grades who completed a national survey on their history of depression and whether they had a concussion caused by physical activity, which revealed eye-opening statistics about what groups were at risk for suicide attempts. 

Among children who were depressed, concussion increased the risk for reporting a suicide attempt by 31%. If the child reported depression and concussion in the previous year, being Black, Hispanic or Latino, or multiracial enhanced risk for a suicide attempt by an additional 28%. Within that group, females had a 33% increased risk of a suicide attempt compared to males.

ShawnEagleHeadshotpress

“Depression is a major predictor of a suicide attempt, which is why we wanted to look at children with and without depression. But our primary goal was to investigate if concussion would magnify risk for certain subgroups based on race, ethnicity and biological sex,” said Shawn Eagle, Ph.D., lead author and research assistant professor in Pitt’s Department of Neurological Surgery. 

They also found that for children without a history of depression, race and ethnicity played a greater role in predicting a suicide attempt than concussion incidence. Data showed that American Indian, Alaska Native, Black, Native Hawaiian and Pacific Islander youth had an 89% increased risk of a suicide attempt compared to the rest of the survey respondents who did not report depression. In this group, concussion history did not increase the likelihood of a suicide attempt compared to race and ethnicity. However, concussion history did increase the risk for a suicide attempt within the remaining racial and ethnic groups by 29%. 

Eagle points out that increased risk for suicide attempts with no reported depression history in certain racial and ethnic groups compared to others suggests how critical race and ethnicity can be to a child’s mental well-being in the United States

This study included more than 28,000 survey participants, with 3,874 children reporting that they had suffered concussions in the last year. Overall, approximately 1,900 children said they had attempted suicide. Of those who had a suicide attempt, 80% reported experiencing depression within the year. 

Data was collected from The Youth Risk Behavior Surveillance System (YRBSS), a Centers for Disease Control and Prevention-sponsored survey that monitors six categories of health-related behaviors that contribute to the leading causes of death and disability among youth and adults. 

“Providers who work with children should conduct regular depression screenings and be mindful of certain subgroups that have increased risk for suicide attempts,” said Eagle. “And providers who work with children who may have had a recent concussion should conduct depression screenings more often.”

Prior studies have examined the association of concussions and suicide attempts in select minority groups as compared to white people, but this study is the first to compare ethnic and racial groups in a more detailed way, said co-author Anthony Kontos, Ph.D., director of research for the UPMC Sports Medicine Concussion Program and professor in the Department of Orthopaedic Surgery in Pitt’s School of Medicine.  

“By looking more specifically at individual racial and ethnic groups, our findings provide more targeted data about each group’s risk factors, thereby improving our potential to develop more effective strategies to enhance patient care for these underserved groups, he said.

The research team notes that the YRBSS data does not capture key variables and they cannot verify the information reported in the surveys. The surveys do not include details of when a child suffered a concussion or experienced depression, which could yield critical information about how these variables may directly lead to suicide attempts.  

Eagle hopes future research will follow a large number of children over time to better understand how and why some groups are more vulnerable than others and determine the timeline of concussion, depression and suicide attempts

Additional authors on the study include David Brent, M.D., Raymond Pan, M.D., Martina Anto-Ocrah, Ph.D., David O. Okonkwo, M.D., Ph.D., and Michael W. Collins, Ph.D., all of Pitt; Tracey Covassin, Ph.D., of Michigan State University; Robert J. Elbin, Ph.D., of University of Arkansas; Jessica Wallace, Ph.D., of University of Alabama; and Justus Ortega, Ph.D., of Humboldt State University.


PHOTO DETAILS: (click images for high-res versions)

CREDIT: University of Pittsburgh

CAPTION: Shawn Eagle, Ph.D., research assistant professor in the University of Pittsburgh's Department of Neurological Surgery