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Area of Science:

  • Child and Adolescent Psychiatry
  • Mental Health Research
  • Trauma Studies

Background:

  • Adverse Childhood Experiences (ACEs) are associated with negative mental health outcomes.
  • Understanding the pathways linking ACEs to suicidality in adolescents is crucial for prevention and intervention.
  • Previous research suggests various psychological and social factors may mediate this relationship.

Purpose of the Study:

  • To investigate the mediating roles of psychiatric symptomatology, impulsivity, family and social dysfunction, and alcohol use in the relationship between ACEs and adolescent suicidality.
  • To identify the most significant mediators among these factors.

Main Methods:

  • Cross-sectional study involving 206 adolescent psychiatric inpatients and 203 community-matched controls.
  • Assessment of ACEs and suicidality using validated instruments (Schedule for Affective Disorders and Schizophrenia for School-Age Children, Life Events Checklist).
  • Measurement of psychiatric symptomatology (Symptom Checklist-90), impulsivity, family and social dysfunction (Offer Self-Image Questionnaire), and alcohol use (Alcohol Use Disorders Identification Test).
  • Statistical analysis using simple mediation and multiple mediation models.

Main Results:

  • A significant direct positive effect of ACEs on suicidality was found.
  • Psychiatric symptomatology, impulsivity, and family and social dysfunctions significantly mediated the relationship between ACEs and suicidality.
  • Alcohol misuse did not mediate the ACEs-suicidality link.
  • Multiple mediation analyses identified psychiatric symptomatology as the strongest mediator, followed by impulsivity.

Conclusions:

  • Psychiatric symptoms and impulsivity are key mediators linking adverse childhood experiences to adolescent suicidality.
  • Family and social dysfunctions also play a mediating role.
  • These findings underscore the importance of assessing psychiatric symptoms and impulsivity in adolescents with a history of ACEs to mitigate suicide risk.