High schools where students are more connected to peers and adult staff, and share strong relationships with the same adults, have lower rates of suicide attempts, according to a new study published by the Journal of Child Psychology and Psychiatry.
The study, "Peer-adult network structure and suicide attempts in 38 high schools: implications for network-informed suicide prevention," surveyed 10,291 students from 38 high schools to determine social integration through the relationship network structure of each school.
Students were asked to name up to seven of their closest friends at their school. In a novel approach, students were also asked to name up to seven adults in their school they trust and feel comfortable talking to about personal matters. Researchers used the friendship and adult nominations submitted to build comprehensive social networks for each school.
Researchers used this data to determine whether differences in social networks between schools resulted in different rates of suicide attempts and suicidal ideation (thinking about or planning suicide). Their findings revealed the following:
Schools in which many students name the same trusted adults "may reflect the presence of clearly identified, competent adults being connected to many students," said the study.
This focus on social networks had been relatively unexplored in previous research on suicide, according to lead author Peter A. Wyman, PhD, professor in the Department of Psychiatry at the University of Rochester School of Medicine and Dentistry. "Most suicide prevention is centered on the high-risk individual," Wyman said. "We wanted this study to provide us with new ways of thinking on how to intervene to strengthen protective relationships on a broader school-level, and even on a community level."
The number of children and teens who have been brought to the emergency room for suicide attempts or suicidal ideation has nearly doubled in recent years, according to a recent study published by JAMA Pediatrics. There were 1.12 million emergency room visits for suicide attempts or suicidal ideation by children ages 5 to 18 years old in 2015, up from 580,000 in 2007.
In addition, suicide is the second leading cause of death among young people in the U.S. age 10 to 18 and rates have been increasing by nearly 2 percent per year.
Wyman hopes these study results could potentially help schools develop more effective, comprehensive interventions. "Despite a great deal of effort, suicide rates continue to rise. This study identifies protective schoolwide network factors, such as cohesion between adolescents' peer and adult networks. This network-informed perspective gives us some new concepts for suicide prevention," he said. "Strengthening inter-generational cohesion so that more friendship groups share a trusted adult could make it easier for youth to close the circle through that connection if a friend is at-risk."
Participating schools had wide differences in the percentage of students who nominated trusted adults. In the lowest ranked school, only 8.3 percent of students named a trusted adult, while 53.4 percent of students named a trusted adult in the highest ranked school. Authors of the study recommended looking at characteristics of school staffs, such as diversity and attitudes about youth, and the school leadership climate to better understand why these differences exist. In addition, the study recommended developing strategies to strengthen protective social networks, including training student peer group leaders to promote positive social behaviors, and working to prepare responsive adults and connect those adults into student social groups.
"The time has come for our field to think more broadly about suicide prevention," said Anthony R. Pisani, PhD, associate professor at the University of Rochester School of Medicine and Dentistry. "Individual risk factors, like depression, substance use or traumatic history, are important, but we also need to think about the health of the social ties and systems in which we are all interwoven." Wyman and Pisani have used these strategies to guide two intervention programs -- Sources of Strength and Above the Influence of Vaping -- that they have helped implement in 60 high school and middle schools across New York state. Sources of Strength, which was developed in North Dakota in the 1990s, utilizes preventative, population-based approaches by identifying peer leaders of social groups throughout schools and preparing them to become positive influences on their friends' coping behaviors. Above the Influence of Vaping is a substance abuse prevention program targeting middle schoolers developed by Wyman and Pisani that uses similar peer leader engagement methods combined with science-based peer-to-peer messaging.
Both programs have successfully worked to increase student connections with adults, and this study reinforces the need to strengthen those bonds, according to Wyman. "One of the most important predictors of lower suicide attempt rates in this study was positive youth-adult connections widely spread across the school," said Wyman, "we have to be thinking about the broader population to make sure more students are connected to adults prepared to support them."
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