CAMH study first to examine contextual factors associated with higher rates of suicide in the Americas
Social determinants of health among factors affecting suicide rates
Peer-Reviewed PublicationA CAMH-led study of national suicide rates in 33 countries in the Americas over the past 20 years has found several key contextual factors associated with national rates of suicide.
The authors state that while suicide rates in the rest of the world have been going down in the past two decades, they have been increasing in North, Central and South America, highlighting what they say is an urgent need for more enhanced and targeted suicide prevention efforts.
The study, just published in The Lancet Regional Health – Americas, is believed to be the first of its kind to examine the impact of specific contextual factors associated with national suicide rates in the Americas. Using public health data from the World Health Organization Global Health Estimates database from 2000 to 2019, the authors found eight population-level factors associated with suicide rates: alcohol use, education inequality, health expenditure, homicide rate, intravenous drug use, number of employed doctors, population density and unemployment rate.
“By quantifying the associations between these specific factors and country-level suicide rates, we can provide decision-makers with the evidence they need to create effective national suicidal prevention strategies,” said author Dr. Shannon Lange, Independent Scientist at the Institute for Mental Health Policy Research at CAMH. “Our results indicate that multi-sectoral measures targeting health and social well-being should be emphasized.”
Overall, the study found that there are some significant differences in the factors associated with male and female suicide rates. For example, when education inequality (unequal distribution of academic resources) increased, the suicide rate increased among females, in particular.
“Our findings highlight the vital importance of considering gender differences when developing, adapting and testing suicide risk reduction initiatives,” said. Dr. Lange. “Gender norms and expectations are likely to influence suicide risk factors so it can’t be a one-size fits all approach.”
Overall, Canadian men and women had the 6th highest suicide rate among the 33 countries studied in North, Central and South America.
About The Centre for Addiction and Mental Health (CAMH)
CAMH is Canada's largest mental health and addiction teaching hospital and a world leading research centre in this field. CAMH combines clinical care, research, education, policy development and health promotion to help transform the lives of people affected by mental illness and addiction. CAMH is fully affiliated with the University of Toronto, and is a Pan American Health Organization/World Health Organization Collaborating Centre. For more information, please visit camh.ca or follow @CAMHnews on Twitter.
JOURNAL
The Lancet Regional Health - Americas
METHOD OF RESEARCH
Meta-analysis
SUBJECT OF RESEARCH
People
ARTICLE TITLE
Contextual factors associated with country-level suicide mortality in the Americas, 2000–2019: a cross-sectional ecological study
ARTICLE PUBLICATION DATE
23-Feb-2023
COI STATEMENT
S.L. received compensation from the Pan American Health Organization for carrying-out this investigation.
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