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Escala de Ideación y Conducta Suicida - versión de 7 días: estructura factorial y propiedades psicométricas

Lena Marie Hensel1, Johannes Hamann2, Pascal Schlechter1

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La evaluación de los síntomas suicidas requiere evaluaciones breves y frecuentes. La nueva Escala de Ideación y Conducta Suicida (SIBS-7d) mide eficazmente la ideación y conducta suicida aguda durante un período de una semana.

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Área de la Ciencia:

  • Psiquiatría
  • Psicometría
  • Evaluación de la Salud Mental

Sus antecedentes:

  • Los síntomas suicidas fluctúan, lo que requiere evaluaciones frecuentes.
  • Las escalas existentes pueden no capturar eficazmente los cambios a corto plazo.
  • Se necesita una escala modificada para un período de evaluación de una semana.

Objetivo del estudio:

  • Validar la Escala Modificada de Ideación y Conducta Suicida (SIBS-7d) para evaluar la ideación y conducta suicida.
  • Evaluar las propiedades psicométricas de la SIBS-7d.
  • Determinar la idoneidad de la escala para períodos de evaluación breves e intensivos.

Principales métodos:

  • La SIBS-7d se administró a 139 pacientes psiquiátricos hospitalizados dentro de los siete días posteriores al ingreso.
  • Se utilizó el análisis factorial confirmatorio para evaluar la estructura de la escala.
  • Se examinaron la consistencia interna y la validez convergente (con la Escala de Ideación Suicida de Beck).

Principales resultados:

  • El análisis factorial confirmatorio respaldó una estructura unidimensional para la SIBS-7d.
  • La escala demostró una excelente consistencia interna.
  • Se encontró una correlación positiva entre las puntuaciones de la SIBS-7d y la Escala de Ideación Suicida de Beck.

Conclusiones:

  • La SIBS-7d es un instrumento psicométricamente sólido para evaluar la ideación y conducta suicida aguda.
  • El enfoque de una semana de la escala es adecuado para capturar cambios recientes en los síntomas suicidas.
  • La SIBS-7d puede ayudar en la toma de decisiones clínicas oportuna para personas en riesgo.