BU study: Black women in the highest income bracket had a 20% higher risk of suicide compared to white women in the lowest income bracket
(Boston)—Suicide is the second leading cause of death in the U.S. among individuals aged 10-34 years of age and the fourth leading cause of death for individuals aged 35-44 years. Suicide attempts (non-fatal, self-directed potentially injurious behavior with any intent to die) and self-inflicted injuries represent a major risk factor for completed suicides. In 2020, more than 1.2 million people over the age of 18 reported a suicide attempt in the U.S. and hundreds of thousands more presented to hospitals with self-harm injuries. Although there is data on gender disparity in suicide/self-inflicted injury rates in the U.S., few studies have examined the factors associated with suicide/self-inflicted injury in females.
In a new study looking only at women, researchers from Boston University Chobanian & Avedisian School of Medicine and Howard University have identified Black women aged 18–65 years, to have the highest risk for suicide irrespective of their socioeconomic status.
“Our findings were surprising because most studies usually show that the rate of suicide was higher in White women in the U.S. However, when we begin to look at the intersection of race and income, a different picture begins to emerge,” explained corresponding author Temitope Ogundare, MD, MPH, clinical instructor of psychiatry at the School.
To determine the factors associated with suicide/self-inflicted injuries, the researchers reviewed the National Inpatient Sample database, the largest all-patient database in the U.S., from 2003-2015. They identified and collected demographic data (insurance type, smoking status, exposure to domestic violence, etc.) on women age 18-65 years who were hospitalized with a diagnosis of self-inflicted injury or attempted suicide. They then used a computer model to test how race and socioeconomic status interacted to determine the risk of suicide.
According to the researchers, these findings are important because it allows identification of which population has the greatest risk of suicide. “In public health, we want to target interventions for the most vulnerable population. In addition, results from this model continue to highlight racial disparities in health outcomes and the need to approach public health interventions through a racial justice lens,” said Ogundare, who also is a psychiatric resident at Boston Medical Center.
Ogundare believes Interventions targeted at helping women who have experienced domestic violence, lack of universal health coverage as well as addressing racial discrimination must become part of a comprehensive suicide prevention strategy.
Howard University’s Oluwasegun Akinyemi, MBCHB, MS, is a co-first author on the paper.
These finding appear online in the journal PLOS One.
JOURNAL
PLoS ONE
METHOD OF RESEARCH
Data/statistical analysis
SUBJECT OF RESEARCH
People
ARTICLE TITLE
Factors associated with suicide/self-inflicted injuries among women aged 18–65 years in the United States: A 13-year retrospective analysis of the National Inpatient Sample databas
ARTICLE PUBLICATION DATE
3-Oct-2023
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