Resumen
Antecedentes: Los acontecimientos vitales estresantes (AVE), la impulsividad, agresividad y hostilidad son conocidos factores de riesgo para el suicidio. Se propone la existencia de una “Tríada I-A-H” (compuesta por impulsividad, agresividad y hostilidad) como factor mediador entre los AVE y la muerte por suicidio. Método: datos de 399 personas fallecidas (274 por suicidio, 125 por otras causas) fueron recogidos mediante autopsia psicológica. Se aplicaron versiones adaptadas para autopsia psicológica de las escalas Paul Ramsey Life Experience Scale para recoger historia de AVE, la Escala de impulsividad de Barrat (BIS-11) y la Buss-Durkee Hostility Inventory (BDHI). Resultados: Los análisis de comparación entre los dos grupos mostraron diferencias significativas en las variables de interés (AVE: t = 7,280; BDHI: t = 4,201; BIS-11: t = 3,812; Triada I-A-H: t = 4,84). Los análisis de mediación confirmaron el papel mediador de la “tríada I-A-H” entre la presencia de AVE y el tipo de fallecimiento. Conclusiones: Elevados niveles de impulsividad, agresividad y hostilidad aumentan el riesgo de suicidio ante AVE.
Citas
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