[{"data":1,"prerenderedAt":314},["ShallowReactive",2],{"assessment-itq":3,"assessments-related-itq":291},{"id":4,"title":5,"body":6,"category":247,"categoryTitle":248,"clinicalCitations":249,"copyright":256,"description":257,"downloadLink":247,"extension":258,"faqs":259,"featured":275,"firstPublished":276,"i18nReady":275,"icon":247,"inHiBoop":277,"interpreter":247,"interpreterExempt":278,"lastReviewed":279,"meta":280,"navigation":281,"path":282,"permissionsNote":247,"published":281,"recommendedFrequency":247,"relatedCodes":247,"relatedConditions":247,"relevantSpecialty":247,"reviewedBy":247,"seo":283,"slug":284,"status":285,"stem":286,"summary":287,"takeaways":247,"timeline":247,"type":288,"usedToDiagnose":289,"__hash__":290},"assessments\u002Fassessments\u002Fitq.md","ITQ Scoring · International Trauma Questionnaire for ICD-11 PTSD and Complex PTSD",{"type":7,"value":8,"toc":237},"minimark",[9,18,23,34,44,61,64,68,121,125,157,160,164,190,194],[10,11,12,13,17],"p",{},"The ITQ (International Trauma Questionnaire) is a brief self-report questionnaire for post-traumatic stress disorder (PTSD) and complex PTSD (CPTSD) as defined in ICD-11. It has 12 symptom items and a simple diagnostic algorithm ",[14,15],"cite-ref",{"n":16},"1",".",[19,20,22],"h2",{"id":21},"what-does-the-itq-measure","What does the ITQ measure?",[10,24,25,26,31,32,17],{},"The ITQ measures the core features of ICD-11 ",[27,28,30],"a",{"href":29},"\u002Fconditions\u002Fptsd\u002F","PTSD"," (6B40) and complex PTSD (6B41). ICD-11 describes each disorder with a limited set of central symptoms rather than a long checklist, and the ITQ follows that design to maximize clinical utility and international applicability ",[14,33],{"n":16},[10,35,36,37,39,40,43],{},"Its 12 symptom items form six clusters of two items each ",[14,38],{"n":16}," ",[14,41],{"n":42},"2",":",[45,46,47,55],"ul",{},[48,49,50,54],"li",{},[51,52,53],"strong",{},"PTSD:"," re-experiencing in the here and now, avoidance, and a sense of current threat.",[48,56,57,60],{},[51,58,59],{},"Disturbances in self-organization (DSO):"," affective dysregulation, negative self-concept and disturbances in relationships.",[10,62,63],{},"Complex PTSD is PTSD plus the three DSO clusters.",[19,65,67],{"id":66},"how-do-you-give-the-itq","How do you give the ITQ?",[45,69,70,78,86,94,102,112],{},[48,71,72,75,76,17],{},[51,73,74],{},"Who completes it."," The client, about the experience that troubles them most. They briefly describe it and say when it happened ",[14,77],{"n":42},[48,79,80,83,84,17],{},[51,81,82],{},"PTSD items."," Rated for how much each problem has bothered them in the past month ",[14,85],{"n":42},[48,87,88,91,92,17],{},[51,89,90],{},"DSO items."," Rated for how true each statement typically is of them ",[14,93],{"n":42},[48,95,96,99,100,17],{},[51,97,98],{},"Response scale."," Every item is rated 0 (not at all), 1 (a little bit), 2 (moderately), 3 (quite a bit) or 4 (extremely) ",[14,101],{"n":16},[48,103,104,107,108,39,110,17],{},[51,105,106],{},"Impairment."," After each half, three items ask about functional impairment from those symptoms in social, occupational and other important areas of life ",[14,109],{"n":16},[14,111],{"n":42},[48,113,114,117,118,120],{},[51,115,116],{},"Permissions."," The developers state it is freely available in the public domain for all interested parties, without any change ",[14,119],{"n":42},". Use the published form; this page numbers the clusters and does not reproduce the items.",[19,122,124],{"id":123},"how-do-you-score-and-interpret-the-itq","How do you score and interpret the ITQ?",[126,127,128,133,140,148],"ol",{},[48,129,130,131,17],{},"Treat a rating of 2 (moderately) or more as an endorsed symptom ",[14,132],{"n":16},[48,134,135,137,138,17],{},[51,136,53],{}," at least one of the two items endorsed in each PTSD cluster (re-experiencing, avoidance, sense of threat), plus endorsed functional impairment associated with those symptoms ",[14,139],{"n":16},[48,141,142,145,146,17],{},[51,143,144],{},"Complex PTSD:"," at least one of the two items endorsed in each of the six clusters, plus endorsed functional impairment associated with those symptoms ",[14,147],{"n":16},[48,149,150,153,154,156],{},[51,151,152],{},"One result only."," ICD-11 dictates that a person may receive a diagnosis of PTSD or complex PTSD, but not both ",[14,155],{"n":16},". When the complex PTSD criteria are met, the result is complex PTSD.",[10,158,159],{},"The ITQ is read as a cluster profile, not as one total against a cutoff, so this page has no score band table. Reviewing the six cluster scores shows which symptoms drive the result and which to track over treatment.",[19,161,163],{"id":162},"psychometric-properties","Psychometric properties",[45,165,166,174,182],{},[48,167,168,171,172,17],{},[51,169,170],{},"Development."," Item response theory was applied to a trauma-exposed community sample (n = 1,051) and a trauma-exposed clinical sample (n = 247) from the United Kingdom to choose the 12 best symptom items ",[14,173],{"n":16},[48,175,176,179,180,17],{},[51,177,178],{},"Structure."," Confirmatory factor analysis of the 12-item version fitted the data from both samples extremely well, for first- and second-order models, and showed no evidence of differential item functioning between clinical and community groups ",[14,181],{"n":16},[48,183,184,187,188,17],{},[51,185,186],{},"Diagnostic rates."," In the community sample, 5.3% met criteria for PTSD and 12.9% for complex PTSD. In the clinical sample, 14.6% met criteria for PTSD and 61.1% for complex PTSD ",[14,189],{"n":16},[19,191,193],{"id":192},"limitations","Limitations",[45,195,196,202,210,221,229],{},[48,197,198,201],{},[51,199,200],{},"Self-report, not a clinical diagnosis."," The algorithm mirrors ICD-11, but a diagnosis needs a clinical assessment.",[48,203,204,207,208,17],{},[51,205,206],{},"Samples."," The community sample came from a nationally representative panel, but the trauma-exposed participants in it may not have been representative; the clinical sample came from trauma specialty clinics ",[14,209],{"n":16},[48,211,212,215,216,220],{},[51,213,214],{},"ICD-11, not DSM-5."," It does not map onto the 20 DSM-5 PTSD symptoms; use the ",[27,217,219],{"href":218},"\u002Fassessments\u002Fpcl-5\u002F","PCL-5"," for DSM-5 PTSD.",[48,222,223,226,227,17],{},[51,224,225],{},"Further evaluation needed."," The developers note that further evaluation and development of the measure is needed ",[14,228],{"n":16},[48,230,231,234,235,17],{},[51,232,233],{},"Use unchanged."," The public domain terms apply to the ITQ without any change; altered wording is not the validated questionnaire ",[14,236],{"n":42},{"title":238,"searchDepth":239,"depth":239,"links":240},"",3,[241,243,244,245,246],{"id":21,"depth":242,"text":22},2,{"id":66,"depth":242,"text":67},{"id":123,"depth":242,"text":124},{"id":162,"depth":242,"text":163},{"id":192,"depth":242,"text":193},null,"Trauma & Dissociation",[250,253],{"text":251,"link":252},"Cloitre M, Shevlin M, Brewin CR, Bisson JI, Roberts NP, Maercker A, Karatzias T, Hyland P. The International Trauma Questionnaire: development of a self-report measure of ICD-11 PTSD and complex PTSD. Acta Psychiatr Scand. 2018;138(6):536-546.","https:\u002F\u002Fdoi.org\u002F10.1111\u002Facps.12956",{"text":254,"link":255},"Cloitre M, Shevlin M, Brewin CR, et al. The International Trauma Questionnaire: development of a self-report measure of ICD-11 PTSD and complex PTSD. Accepted manuscript with the ITQ in Appendix B. UCL Discovery.","https:\u002F\u002Fdiscovery.ucl.ac.uk\u002Fid\u002Feprint\u002F10055935\u002F1\u002FCloitre%20et%20al%20%282018%29%20ITQ%20Final%20ACTA%209%20Sept%202018.pdf","Cloitre, Roberts, Bisson and Brewin 2018. The developers state the ITQ is freely available in the public domain for all interested parties without any change.","ITQ scoring guide: 12 symptom items plus impairment items, the ICD-11 algorithm for PTSD and complex PTSD, and how the six symptom clusters are read.","md",[260,263,266,269,272],{"question":261,"answer":262},"How is the ITQ scored?","Each item is rated 0 (not at all) to 4 (extremely). A rating of 2 (moderately) or more counts as endorsed. PTSD requires one of the two items endorsed in each of the three PTSD clusters plus functional impairment; complex PTSD requires one of two in each of the three PTSD clusters and each of the three disturbances in self-organization clusters, plus impairment for both.",{"question":264,"answer":265},"How many questions are on the ITQ?","The optimized ITQ has 12 symptom items: 6 for PTSD (re-experiencing, avoidance and sense of threat, two each) and 6 for disturbances in self-organization (affective dysregulation, negative self-concept and disturbances in relationships, two each). Each half is followed by 3 functional impairment items, for 18 rated items in all.",{"question":267,"answer":268},"Can a person meet criteria for both PTSD and complex PTSD on the ITQ?","No. ICD-11 treats them as sibling diagnoses, and a person may receive a diagnosis of PTSD or complex PTSD but not both. If the complex PTSD criteria are met, the result is complex PTSD.",{"question":270,"answer":271},"What is the difference between the ITQ and the PCL-5?","The PCL-5 measures the 20 DSM-5 PTSD symptoms. The ITQ follows ICD-11, which defines PTSD with fewer core symptoms and adds complex PTSD, so it also asks about emotion regulation, self-concept and relationships.",{"question":273,"answer":274},"Is the ITQ free to use?","Yes. Its developers state that the ITQ is freely available in the public domain for all interested parties, provided it is used without any change. The full questionnaire is printed in the 2018 development paper.",false,"2018","HiBoop sends the ITQ to clients by secure link, scores it on submission and charts it over time.","profile","2026-10-29",{},true,"\u002Fassessments\u002Fitq",{"title":5,"description":257},"itq","published","assessments\u002Fitq","The ITQ (International Trauma Questionnaire) is a 12-symptom self-report questionnaire, with 6 functional impairment items, that screens for ICD-11 post-traumatic stress disorder (PTSD) and complex PTSD (CPTSD). Each item is rated 0 to 4, a rating of 2 or more counts as endorsed, and a diagnostic algorithm assigns PTSD or CPTSD, never both.","assessment","Post-traumatic stress disorder and complex PTSD","hlzUvJ66buAbsEelUDE4f5T9IBbd64ZWG2mgEV8ulEM",[292,297,300,303,307,310],{"slug":293,"title":294,"tier":295,"weight":296},"aces","ACE Score: Scoring & Interpretation of the ACE Questionnaire","same",100,{"slug":298,"title":299,"tier":295,"weight":296},"cdc","CDC Scoring · Child Dissociative Checklist (Version 3)",{"slug":301,"title":302,"tier":295,"weight":296},"childhood-trauma-test","Childhood Trauma Test (ACE Score)",{"slug":304,"title":305,"tier":51,"weight":306},"mdq","MDQ: Mood Disorder Questionnaire",50,{"slug":308,"title":309,"tier":51,"weight":306},"ymrs","Young Mania Rating Scale (YMRS): Scoring and Cutoffs",{"slug":311,"title":312,"tier":51,"weight":313},"bdi-ii","BDI-II Scoring Guide · Beck Depression Inventory",48,1793342506528]