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The aim of the project is to evaluate the psychometric properties (e.g. validity, reliability) of the International Trauma Interview (ITI) - German version. The ITI is a structured clinical interview that corresponds to the ICD-11 criteria for diagnosing both posttraumatic stress disorder (PTSD) and complex posttraumatic stress disorder (CPTSD).
Eligible participants from psychiatric inpatient and outpatient facilities in Switzerland who have provided informed will complete various self-report measures about trauma-related mental health complaints. In addition, the ITI will be conducted by a trained clinician. Lastly, information from the medical chart will be further used for scientific purpose. The overall assessment will take approximately 1-2 hours to complete.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| International Trauma Interview (ITI) | Other |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| International Trauma Interview (ITI) for ICD-11 PTSD and Complex PTSD - German version | Diagnostic Test | The ITI consists of 18 items and for each symptom, standardized questions as well as probes are presented. A trained professional rates both symptom frequency and intensity, which are converted into an overall index of symptom severity. A diagnosis of PTSD/CPTSD is established by applying the ICD-11 diagnostic rules. It takes approximately 30-60 minutes to administer. |
| Measure | Description | Time Frame |
|---|---|---|
| International Trauma Interview (ITI) | Up to two weeks upon psychiatric ward entry | |
| Life Event Checklist DSM-5 | Up to two weeks upon psychiatric ward entry |
| Measure | Description | Time Frame |
|---|---|---|
| Beck Depression Inventory II | Up to seven days upon psychiatric ward entry | |
| Brief Symptom Checklist | Up to seven days upon psychiatric ward entry | |
| Impact of Event Scale Revised Version |
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Study-specific Inclusion criteria
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Integrierte Psychiatrie Winterthur, Spezialstation für Traumafolgestörungen | Winterthur | Canton of Zurich | 8400 | Switzerland |
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| Label | URL |
|---|---|
| Chair organizing the study | View source |
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|
| Up to seven days upon psychiatric ward entry |
| PTSD Checklist for DSM-5 | Up to seven days upon psychiatric ward entry |
| Borderline Symptom List | Up to seven days upon psychiatric ward entry |
| ID | Term |
|---|---|
| D013313 | Stress Disorders, Post-Traumatic |
| ID | Term |
|---|---|
| D040921 | Stress Disorders, Traumatic |
| D000068099 | Trauma and Stressor Related Disorders |
| D001523 | Mental Disorders |
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