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The Relationship Between Adverse Childhood Experiences (ACEs) and Adult Mental Health Outcomes in UK Military Veterans: A Clinical Psychology Perspective

Emmanuel Onaruyi-Obasuyi

Subject area: Science,Engineering and Technology  ·  Area of research: Healthcare

DOI: 10.64388/IREV9I4-1711513-7525

Abstract

Background: Adverse Childhood Experiences (ACEs) have been extensively linked to poor mental health outcomes in civilian populations. However, the specific relationship between ACEs and mental health in UK military veterans remains understudied, despite this population's heightened vulnerability to psychological distress. Objective: This study examines the relationship between ACEs and adult mental health outcomes in UK military veterans from a clinical psychology perspective, investigating prevalence rates, risk factors, and potential protective mechanisms. Methods: A cross-sectional study was conducted with 847 UK military veterans aged 25-65 years. Participants completed the ACEs questionnaire, the PTSD Checklist for DSM-5 (PCL-5), the Patient Health Questionnaire-9 (PHQ-9), and the Generalized Anxiety Disorder-7 (GAD-7). Statistical analyses included descriptive statistics, correlation analyses, and multiple regression modeling. Results: 68.3% of participants reported at least one ACE, with 24.7% experiencing four or more ACEs. Veterans with four or more ACEs demonstrated significantly higher rates of PTSD (OR = 3.42, 95% CI: 2.18-5.37), depression (OR = 2.89, 95% CI: 1.94-4.31), and anxiety disorders (OR = 2.64, 95% CI: 1.78-3.92) compared to those with no ACEs. Combat exposure moderated the relationship between ACEs and PTSD symptoms (? = 0.23, p < 0.001). Conclusions: ACEs significantly predict adverse mental health outcomes in UK military veterans, with cumulative effects observed. These findings highlight the need for trauma-informed care approaches and early intervention strategies within military and veteran healthcare systems.

Keywords

Adverse Childhood Experiences, Military Veterans, PTSD, Depression, Anxiety, Trauma, Clinical Psychology, UK Armed Forces

References

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How to cite this paper

Emmanuel Onaruyi-Obasuyi "The Relationship Between Adverse Childhood Experiences (ACEs) and Adult Mental Health Outcomes in UK Military Veterans: A Clinical Psychology Perspective" Iconic Research And Engineering Journals Volume 9 Issue 4 2025 Page 964-987 https://doi.org/10.64388/IREV9I4-1711513-7525
Emmanuel Onaruyi-Obasuyi "The Relationship Between Adverse Childhood Experiences (ACEs) and Adult Mental Health Outcomes in UK Military Veterans: A Clinical Psychology Perspective" Iconic Research And Engineering Journals, vol. 9, no. 4, Oct. 2025, doi: https://doi.org/10.64388/IREV9I4-1711513-7525
Emmanuel Onaruyi-Obasuyi (2025). The Relationship Between Adverse Childhood Experiences (ACEs) and Adult Mental Health Outcomes in UK Military Veterans: A Clinical Psychology Perspective. Iconic Research And Engineering Journals, 9(4). doi: https://doi.org/10.64388/IREV9I4-1711513-7525
Emmanuel Onaruyi-Obasuyi "The Relationship Between Adverse Childhood Experiences (ACEs) and Adult Mental Health Outcomes in UK Military Veterans: A Clinical Psychology Perspective" Iconic Research And Engineering Journals, vol. 9, no. 4, Oct. 2025. Crossref, https://doi.org/10.64388/IREV9I4-1711513-7525
@article{1711513,
      author = {Emmanuel Onaruyi-Obasuyi},
      title = {The Relationship Between Adverse Childhood Experiences (ACEs) and Adult Mental Health Outcomes in UK Military Veterans: A Clinical Psychology Perspective},
      journal = {Iconic Research And Engineering Journals},
      year = {2025},
      volume = {9},
      number = {4},
      pages = {964-987},
      issn = {2456-8880},
      url = {https://www.irejournals.com/formatedpaper/1711513.pdf},
      abstract = {Background: Adverse Childhood Experiences (ACEs) have been extensively linked to poor mental health outcomes in civilian populations. However, the specific relationship between ACEs and mental health in UK military veterans remains understudied, despite this population's heightened vulnerability to psychological distress.
Objective: This study examines the relationship between ACEs and adult mental health outcomes in UK military veterans from a clinical psychology perspective, investigating prevalence rates, risk factors, and potential protective mechanisms.
Methods: A cross-sectional study was conducted with 847 UK military veterans aged 25-65 years. Participants completed the ACEs questionnaire, the PTSD Checklist for DSM-5 (PCL-5), the Patient Health Questionnaire-9 (PHQ-9), and the Generalized Anxiety Disorder-7 (GAD-7). Statistical analyses included descriptive statistics, correlation analyses, and multiple regression modeling.
Results: 68.3% of participants reported at least one ACE, with 24.7% experiencing four or more ACEs. Veterans with four or more ACEs demonstrated significantly higher rates of PTSD (OR = 3.42, 95% CI: 2.18-5.37), depression (OR = 2.89, 95% CI: 1.94-4.31), and anxiety disorders (OR = 2.64, 95% CI: 1.78-3.92) compared to those with no ACEs. Combat exposure moderated the relationship between ACEs and PTSD symptoms (? = 0.23, p < 0.001).
Conclusions: ACEs significantly predict adverse mental health outcomes in UK military veterans, with cumulative effects observed. These findings highlight the need for trauma-informed care approaches and early intervention strategies within military and veteran healthcare systems.},
      keywords = {Adverse Childhood Experiences, Military Veterans, PTSD, Depression, Anxiety, Trauma, Clinical Psychology, UK Armed Forces},
      month = {October},
      doi = {https://doi.org/10.64388/IREV9I4-1711513-7525}
  }