Prevalence and predictors of ICD-11 posttraumatic stress disorder and complex PTSD in young people.

"full details of the survey methods are available to view at the open science framework 2 2 rates of trauma exposure and prevalence estimates of icd-11 ptsd and cptsd and gender differences were calculated for the survey sample ( n = 1293) while only those who endorsed at least one traumatic stressor were included as the analytic sample ( n = 509). a full list of the items included in the cats along with endorsement rates for the survey sample are provided in data s1 .; all multivariate and distal outcome analyses for the fmm classes were replicated for the trauma-exposed participants ( n = 507) using multinomial logistic regressions and multiple one-way anovas respectively (see data s1 for a more detailed explanation)."

"CONFLICT OF INTEREST Dr Marylene Cloitre was a member of the World Health Organisation Working Group on the classification of disorders associated with stress, reporting to the International Advisory Group for the revision of ICD‐11 Mental and Behavioural Disorders. Professor Mark Shevlin, Professor Philip Hyland and Professor Thanos Karatzias were part of the International Trauma Questionnaire development team and authors on the ITQ validation paper. The views provided in this article are the opinions of the authors and do not represent WHO policy."

"We wish to acknowledge the Department for the Economy PhD studentship who supported this work. The Department for the Economy had no role in the study design, the collection, analysis and interpretation of data, in writing the report and in the decision to submit the article for publication. We also wish to acknowledge the Social Care Directorate (Children's Service and Think Family NI), Health and Social Care Board who commissioned and funded the Northern Ireland Youth Wellbeing Prevalence Survey."