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Evaluation of an adapted version of the International Trauma Questionnaire for use by people with intellectual disabilities
British Journal of Clinical Psychology, Volume: 62, Issue: 2, Pages: 471 - 482
Swansea University Authors:
Steve Hiles, Alan Watkins , Paul Willner
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DOI (Published version): 10.1111/bjc.12421
Abstract
Aims: The International Trauma Questionnaire (ITQ) is a novel assessment instrument that is aligned to the ICD-11 diagnoses of post-traumatic stress disorder (PTSD) and complex PTSD (CPTSD). The purpose of this study was to develop and evaluate an adapted version of the ITQ suitable for use by peopl...
Published in: | British Journal of Clinical Psychology |
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ISSN: | 0144-6657 2044-8260 |
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Wiley
2023
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URI: | https://cronfa.swan.ac.uk/Record/cronfa62896 |
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The purpose of this study was to develop and evaluate an adapted version of the ITQ suitable for use by people with intellectual disabilities. Methods: The ITQ-ID follows the original ITQ, using wording developed in collaboration with a focus group of people with intellectual disabilities The ITQ-ID was administered to 40 people with intellectual disabilities recruited from learning disability forensic and community settings, alongside a Trauma Information Form and the Impact of Event Scale-Intellectual Disabilities (IES-IDs). Results: Most participants reported multiple traumatizing events. Around half of the participants met strict criteria for a diagnosis of PTSD, and around three quarters met looser criteria. Depending on definitions, between 66% and 93% of those who met criteria for PTSD also met criteria for a diagnosis of CPTSD. The ITQ-ID showed a single-component structure, with very good-to-excellent internal consistency, excellent test–retest reliability, and evidence of concurrent, discriminant, and content validity. 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v2 62896 2023-03-09 Evaluation of an adapted version of the International Trauma Questionnaire for use by people with intellectual disabilities 5ecd70f8c0f27219f84a7f297d99b22b Steve Hiles Steve Hiles true false 81fc05c9333d9df41b041157437bcc2f 0000-0003-3804-1943 Alan Watkins Alan Watkins true false 4c278ffb6e4af6ab8816be40af66ecd3 0000-0001-5576-5260 Paul Willner Paul Willner true false 2023-03-09 HDAT Aims: The International Trauma Questionnaire (ITQ) is a novel assessment instrument that is aligned to the ICD-11 diagnoses of post-traumatic stress disorder (PTSD) and complex PTSD (CPTSD). The purpose of this study was to develop and evaluate an adapted version of the ITQ suitable for use by people with intellectual disabilities. Methods: The ITQ-ID follows the original ITQ, using wording developed in collaboration with a focus group of people with intellectual disabilities The ITQ-ID was administered to 40 people with intellectual disabilities recruited from learning disability forensic and community settings, alongside a Trauma Information Form and the Impact of Event Scale-Intellectual Disabilities (IES-IDs). Results: Most participants reported multiple traumatizing events. Around half of the participants met strict criteria for a diagnosis of PTSD, and around three quarters met looser criteria. Depending on definitions, between 66% and 93% of those who met criteria for PTSD also met criteria for a diagnosis of CPTSD. The ITQ-ID showed a single-component structure, with very good-to-excellent internal consistency, excellent test–retest reliability, and evidence of concurrent, discriminant, and content validity. Significance: The results support the potential of the ITQ-ID for assessment of PTSD and CPTSD in people with intellectual disabilities in both clinical and research contexts and highlight the need for further validation work. Journal Article British Journal of Clinical Psychology 62 2 471 482 Wiley 0144-6657 2044-8260 Intellectual disability, International Trauma Questionnaire, PTSD 1 6 2023 2023-06-01 10.1111/bjc.12421 http://dx.doi.org/10.1111/bjc.12421 COLLEGE NANME Health Data Science COLLEGE CODE HDAT Swansea University SU Library paid the OA fee (TA Institutional Deal) NIHR - HTA 17/125/04 2023-06-01T11:13:51.3045699 2023-03-09T16:34:26.0865353 Faculty of Medicine, Health and Life Sciences School of Psychology Peter E. Langdon 1 Jonathan I. Bisson 2 Gemma Rogers 3 Sophie Swain 4 Steve Hiles 5 Alan Watkins 0000-0003-3804-1943 6 Paul Willner 0000-0001-5576-5260 7 62896__27621__c46284d54f7143c0a7fab95a16532966.pdf 62896.VOR.pdf 2023-05-26T12:25:15.0320030 Output 220472 application/pdf Version of Record true This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. true eng http://creativecommons.org/licenses/by/4.0/ |
title |
Evaluation of an adapted version of the International Trauma Questionnaire for use by people with intellectual disabilities |
spellingShingle |
Evaluation of an adapted version of the International Trauma Questionnaire for use by people with intellectual disabilities Steve Hiles Alan Watkins Paul Willner |
title_short |
Evaluation of an adapted version of the International Trauma Questionnaire for use by people with intellectual disabilities |
title_full |
Evaluation of an adapted version of the International Trauma Questionnaire for use by people with intellectual disabilities |
title_fullStr |
Evaluation of an adapted version of the International Trauma Questionnaire for use by people with intellectual disabilities |
title_full_unstemmed |
Evaluation of an adapted version of the International Trauma Questionnaire for use by people with intellectual disabilities |
title_sort |
Evaluation of an adapted version of the International Trauma Questionnaire for use by people with intellectual disabilities |
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5ecd70f8c0f27219f84a7f297d99b22b 81fc05c9333d9df41b041157437bcc2f 4c278ffb6e4af6ab8816be40af66ecd3 |
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5ecd70f8c0f27219f84a7f297d99b22b_***_Steve Hiles 81fc05c9333d9df41b041157437bcc2f_***_Alan Watkins 4c278ffb6e4af6ab8816be40af66ecd3_***_Paul Willner |
author |
Steve Hiles Alan Watkins Paul Willner |
author2 |
Peter E. Langdon Jonathan I. Bisson Gemma Rogers Sophie Swain Steve Hiles Alan Watkins Paul Willner |
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British Journal of Clinical Psychology |
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62 |
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471 |
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2023 |
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Swansea University |
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0144-6657 2044-8260 |
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10.1111/bjc.12421 |
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Wiley |
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Faculty of Medicine, Health and Life Sciences |
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http://dx.doi.org/10.1111/bjc.12421 |
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description |
Aims: The International Trauma Questionnaire (ITQ) is a novel assessment instrument that is aligned to the ICD-11 diagnoses of post-traumatic stress disorder (PTSD) and complex PTSD (CPTSD). The purpose of this study was to develop and evaluate an adapted version of the ITQ suitable for use by people with intellectual disabilities. Methods: The ITQ-ID follows the original ITQ, using wording developed in collaboration with a focus group of people with intellectual disabilities The ITQ-ID was administered to 40 people with intellectual disabilities recruited from learning disability forensic and community settings, alongside a Trauma Information Form and the Impact of Event Scale-Intellectual Disabilities (IES-IDs). Results: Most participants reported multiple traumatizing events. Around half of the participants met strict criteria for a diagnosis of PTSD, and around three quarters met looser criteria. Depending on definitions, between 66% and 93% of those who met criteria for PTSD also met criteria for a diagnosis of CPTSD. The ITQ-ID showed a single-component structure, with very good-to-excellent internal consistency, excellent test–retest reliability, and evidence of concurrent, discriminant, and content validity. Significance: The results support the potential of the ITQ-ID for assessment of PTSD and CPTSD in people with intellectual disabilities in both clinical and research contexts and highlight the need for further validation work. |
published_date |
2023-06-01T11:13:50Z |
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1767494836949090304 |
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11.021648 |