The distribution of Psychosis, ICD-11 PTSD and Complex PTSD symptoms among a trauma-exposed UK general population sample.

Rachel Frost, Maria Vang, Thanos Karatzias, Philip Hyland, M Shevlin

Research output: Contribution to journalArticle

Abstract

Objective: To evaluate the distribution of psychosis and traumatic stress symptoms using the ICD-11 conceptualisation of PTSD and CPTSD.
Method: A latent class analysis was conducted on psychosis symptoms, PTSD and CPTSD among a random adult sample from the UK general population with a history of traumatic events (N = 1,051).
Results: Six classes were identified; a low-symptom class, a PTSD-class, a CPTSD-class, a class characterized by disturbances s in self-organization alone as well as two classes characterized by CPTSD and various levels of psychosis symptom endorsement. Cumulative childhood trauma predicted membership of the PTSD, CPTSD and comorbid classes in a dose-response manner with the strongest effects observed for classes characterised by comorbid symptoms.
Conclusion: The present study confirms the co-occurrence of psychosis symptoms and ICD-11 PTSD and CPTSD. Psychosis symptoms did not emerge in isolation from traumatic stress symptoms, underpinning the need for a greater recognition of psychosis symptoms as part of the broader clinical picture among trauma-exposed populations.
Original languageEnglish
JournalPsychosis: Psychological, Social and Integrative Approaches
Publication statusAccepted/In press - 29 May 2019

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Post-Traumatic Stress Disorders
Psychotic Disorders
Wounds and Injuries
Population

Keywords

  • psychosis
  • PTSD
  • ;childhood trauma
  • Complex PTSD

Cite this

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title = "The distribution of Psychosis, ICD-11 PTSD and Complex PTSD symptoms among a trauma-exposed UK general population sample.",
abstract = "Objective: To evaluate the distribution of psychosis and traumatic stress symptoms using the ICD-11 conceptualisation of PTSD and CPTSD. Method: A latent class analysis was conducted on psychosis symptoms, PTSD and CPTSD among a random adult sample from the UK general population with a history of traumatic events (N = 1,051). Results: Six classes were identified; a low-symptom class, a PTSD-class, a CPTSD-class, a class characterized by disturbances s in self-organization alone as well as two classes characterized by CPTSD and various levels of psychosis symptom endorsement. Cumulative childhood trauma predicted membership of the PTSD, CPTSD and comorbid classes in a dose-response manner with the strongest effects observed for classes characterised by comorbid symptoms.Conclusion: The present study confirms the co-occurrence of psychosis symptoms and ICD-11 PTSD and CPTSD. Psychosis symptoms did not emerge in isolation from traumatic stress symptoms, underpinning the need for a greater recognition of psychosis symptoms as part of the broader clinical picture among trauma-exposed populations.",
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AU - Frost, Rachel

AU - Vang, Maria

AU - Karatzias, Thanos

AU - Hyland, Philip

AU - Shevlin, M

PY - 2019/5/29

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N2 - Objective: To evaluate the distribution of psychosis and traumatic stress symptoms using the ICD-11 conceptualisation of PTSD and CPTSD. Method: A latent class analysis was conducted on psychosis symptoms, PTSD and CPTSD among a random adult sample from the UK general population with a history of traumatic events (N = 1,051). Results: Six classes were identified; a low-symptom class, a PTSD-class, a CPTSD-class, a class characterized by disturbances s in self-organization alone as well as two classes characterized by CPTSD and various levels of psychosis symptom endorsement. Cumulative childhood trauma predicted membership of the PTSD, CPTSD and comorbid classes in a dose-response manner with the strongest effects observed for classes characterised by comorbid symptoms.Conclusion: The present study confirms the co-occurrence of psychosis symptoms and ICD-11 PTSD and CPTSD. Psychosis symptoms did not emerge in isolation from traumatic stress symptoms, underpinning the need for a greater recognition of psychosis symptoms as part of the broader clinical picture among trauma-exposed populations.

AB - Objective: To evaluate the distribution of psychosis and traumatic stress symptoms using the ICD-11 conceptualisation of PTSD and CPTSD. Method: A latent class analysis was conducted on psychosis symptoms, PTSD and CPTSD among a random adult sample from the UK general population with a history of traumatic events (N = 1,051). Results: Six classes were identified; a low-symptom class, a PTSD-class, a CPTSD-class, a class characterized by disturbances s in self-organization alone as well as two classes characterized by CPTSD and various levels of psychosis symptom endorsement. Cumulative childhood trauma predicted membership of the PTSD, CPTSD and comorbid classes in a dose-response manner with the strongest effects observed for classes characterised by comorbid symptoms.Conclusion: The present study confirms the co-occurrence of psychosis symptoms and ICD-11 PTSD and CPTSD. Psychosis symptoms did not emerge in isolation from traumatic stress symptoms, underpinning the need for a greater recognition of psychosis symptoms as part of the broader clinical picture among trauma-exposed populations.

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