Psychosocial Determinants of Burn-Related Suicide: Evidence From the National Violent Death Reporting System

摘要

Suicide is a unique phenomenon in humans. In 2017, over 47,000 Americans died by suicide, prompting a public health crisis. Suicide by burning, while one of the rarest forms of suicide, could be mitigated in part by early recognition and treatment of the underlying psychosocial factors. To date, investigators have attempted to tease out the risk factors associated with this phenomenon through the examination of burn center chart reviews and repository data, but these studies were limited by small sample sizes. In order to fill this gap in the literature, the authors analyzed 14 years of data (2003-2016) from the National Violent Death Reporting System. Suicides by burning (n = 722) were compared with a reference group containing all other suicide types (n = 166,949). Socio-demographic variables and psychosocial factors (eg, mental health, substance use, and alcohol use) were included in the model. Due to the imbalance between the target and reference groups, rare event data analysis was used to reduce potential small sample estimation bias. Results indicated that females (OR = 1.6, 95 CI: .50-2.83, P < .001), Caucasians (OR = 1.7, 95 CI: 1.1-2.7, P < .001), victims with schizophrenia (OR = 5.4, 95 CI: 3.7-7.8, P < .001), and victims with eating disorders (OR = 5.6, 95 CI: 1.9-8.6, P < .001) are significantly more likely to commit suicide by burning. These results contribute new knowledge to what is currently known about suicidal burn-related behaviors and supports interventions that focus on mitigating this insidious public health problem.