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Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil
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Suicide Crisis Inventory-2: factor structure, internal consistency, and validity in a Brazilian sample.

Jefté Peper-Nascimento1, Megan L Rogers2, Jenelle A Richards3

  • 1Programa de Pós-Graduação em Ciências da Saúde, Laboratório de Psiquiatria Translacional, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil.

Revista Brasileira De Psiquiatria (Sao Paulo, Brazil : 1999)
|February 20, 2024
PubMed
Summary

The Brazilian version of the Suicide Crisis Inventory-2 (SCI-2) is a reliable tool for assessing suicidal crisis syndrome in adults. This validated instrument demonstrates good psychometric properties for evaluating suicide risk factors.

Keywords:
Suicide Crisis Inventory-2risk assessmentsuicidal ideationsuicidesuicide crisis syndrome

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Area of Science:

  • Psychology
  • Psychiatry
  • Mental Health Research

Background:

  • Suicidal crisis is a significant public health concern.
  • Accurate assessment tools are crucial for timely intervention.
  • The Suicide Crisis Inventory-2 (SCI-2) is an established measure for assessing suicidal crisis syndrome.

Purpose of the Study:

  • To evaluate the psychometric properties of the Brazilian version of the SCI-2.
  • To assess the factor structure, reliability, and validity of the SCI-2 in a Brazilian adult population.

Main Methods:

  • Cross-cultural adaptation of the SCI-2 into Portuguese.
  • Administration to 2,265 Brazilian adults.
  • Confirmatory factor analysis (CFA) to evaluate model fit, internal consistency, convergent validity, and criterion validity.

Main Results:

  • A five-factor model of the SCI-2 demonstrated good fit (CFI=1.00, TLI=1.00, RMSEA=0.06, SRMR=0.04).
  • The SCI-2 total and subscale scores exhibited strong internal consistency.
  • Good convergent and criterion validity were found concerning stressful life events, suicidal ideation, and suicide attempts.

Conclusions:

  • The Brazilian version of the SCI-2 is a valid and reliable instrument.
  • It is suitable for assessing symptoms of suicidal crisis syndrome in Brazilian adults.
  • This tool can aid in the clinical evaluation and management of individuals experiencing suicidal crises.