Person: Alonso, Jose
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Publication Cross-national prevalence and risk factors for suicidal ideation, plans and attempts
(Royal College of Psychiatrists, 2008) Nock, Matthew; Borges, G.; Bromet, E. J.; Alonso, Jose; Angermeyer, M.; Beautrais, A.; Bruffaerts, R.; Chiu, Wai; de Girolamo, G.; Gluzman, S.; de Graaf, R.; Gureje, O.; Haro, J. M.; Huang, Y.; Karam, E.; Kessler, Ronald; Lepine, J. P.; Levinson, D.; Medina-Mora, M. E.; Ono, Y.; Posada-Villa, J.; Williams, DavidBackground
Suicide is a leading cause of death world-wide; however, the prevalence and risk factors for the immediate precursors to suicide: suicidal ideation, plans and attempts, are not well-known, especially in developing countries.
Aims
To report on the prevalence and risk factors for suicidal behaviors across 17 countries.
Method
84,850 adults were interviewed regarding suicidal behaviors and socio-demographic and psychiatric risk factors.
Results
The cross-national lifetime prevalence (standard error) of suicidal ideation, plans, and attempts is 9.2% (0.1), 3.1% (0.1), and 2.7% (0.1). Across all countries, 60% of transitions from ideation to plan and attempt occur within the first year after ideation onset. Consistent cross-national risk factors included being: female, younger, less educated, unmarried, and having a mental disorder. Interestingly, the strongest diagnostic risk factors were mood disorders in developed countries but impulse-control disorders in developing countries.
Conclusion
Despite cross-national variability in prevalence, there is strong consistency in the characteristics of and risk factors for suicidal behaviors. These findings have significant implications for the prediction and prevention of suicidal behaviors.