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Introduction:

Adolescent suicide is a major public health issue, and early and accurate detection is of great concern. There are many reliable instruments for this purpose, such as the Columbia-Suicide severity rating scale (C-SSRS), but no validation exists for Spanish speaking Latin American adolescents.

Objetive:

To assess psychometric properties and cut-off scores of the C-SSRS in Spanish speaking adolescents.

Methods:

Exploratory assessment with principal component analysis (PCA) and Varimax rotation, and confirmatory analysis (CFA) were performed on two groups with 782 and 834 participants respectively (N=1616). Mean age was 24.8 years. A Receiver operator analysis was applied to distinguish between control and suicide-risk subgroups adolescents.

Results:

Promax rotation yielded two 10-items factors, for suicide ideation and behavior respectively. C-SSRS was positively correlated with other suicide risk scales, such as Beck Depression Inventory-II, Suicidal Behaviors Questionnaire-Revised, or PHQ-9. Confirmatory factor analysis yielded a two-factor solution as the best goodness of fit model. C-SSRS showed adequate ability to detect suicide risk group with positive predictive value of 68.3%. ROC analyses showed cutoff scores of ≥ 6 and ≥ 4 for suicide ideation and behavior scales respectively

Conclusion:

This research offers data supporting psychometric validity and reliability of C-SSRS in nonclinical Spanish-speaking students. Added benefits are flexible scoring and management easiness. This questionnaire yields data on distinct aspects of suicidality, being more parsimonious than separate administration of a bunch of questionnaires.

Daniel jl Serrani Azcurra, Faculty of Psychology. Universidad Nacional de Rosario. Rosario, Argentina

Neuropsychology and Development Psychology Program from the Department of Interdisciplinary Studies, Biology, Psychology and Culture. Faculty of Psychology. Universidad Nacional de Rosario. Rosario, Argentina
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Received 2016-04-09
Accepted 2017-11-30
Published 2024-06-05