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The goal of this observational study is to learn about how many people have post-traumatic stress disorder and related symptoms in the general population of people without any mental illness in the Barcelona region of Catalonia, Spain. The main questions it aims to answer are:
This is a study to provide normative data for the prevalence of traumatic life events, post-traumatic stress disorder and trauma-related symptoms, and their impact on psychosocial functioning, and affective symptoms in healthy controls (i.e. without mental illness) in the Barcelona region of Catalonia, Spain.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Healthy Controls | Healthy controls without mental disorder in the general population of the Barcelona area of Catalonia, Spain to be assessed for exposure to traumatic life events, post-traumatic stress disorder, trauma symptoms, dissociative symptoms, affective symptoms, and psychosocial functioning. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Assessment for exposure to psychological trauma and related symptoms | Diagnostic Test | To be assessed for exposure to traumatic life events, post-traumatic stress disorder, trauma-related symptoms, dissociative symptoms, affective symptoms, and psychosocial functioning. |
| Measure | Description | Time Frame |
|---|---|---|
| Prevalence of post-traumatic stress disorder in a sample of healthy controls without mental disorder | Prevalence of post-traumatic stress disorder according to criteria of the Diagnostic and Statistical Manual of Mental Disorders - 5th Edition, as per the Global Evaluation of Post-traumatic Stress Disorder Scale (EGEP-5), which assesses the presence or absence of post-traumatic stress disorder. | cross-sectional, baseline |
| Prevalence of trauma symptoms in a sample of healthy controls without mental disorder | Prevalence of trauma-related symptoms according to the Impact of Events Scale-Revised (IES-R), which is scored on a Likert scale with a maximum score of 110, with higher scores meaning a greater level of trauma symptoms. | cross-sectional, baseline |
| Prevalence of dissociative symptoms in a sample of healthy controls without mental disorder | Prevalence of dissociative symptoms according to the Dissociative Experiences Scale (DES). The final score is out of 100, with higher scores meaning a greater number of symptoms. | cross-sectional, baseline |
| Measure | Description | Time Frame |
|---|---|---|
| Prevalence of depressive symptoms in a sample of healthy controls without mental disorder | Prevalence of depressive symptoms according to the Hamilton Depression Rating Scale (HDRS), which can provide a total score between 0 and 63, with higher scores meaning greater depressive symptoms. | cross-sectional, baseline |
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Inclusion Criteria:
Exclusion Criteria:
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Healthy adult controls without mental disorder from the Barcelona region of Catalonia, Spain.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Alicia Valiente-Gómez, PhD | Contact | 933268500 | 8403 | avaliente@psmar.cat |
| Bridget Hogg | Contact | 933268500 | 8403 | bhogg@imim.es |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Alicia Valiente | Recruiting | Barcelona | 08019 | Spain |
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| ID | Term |
|---|---|
| D013313 | Stress Disorders, Post-Traumatic |
| D000067073 | Psychological Trauma |
| ID | Term |
|---|---|
| D040921 | Stress Disorders, Traumatic |
| D000068099 | Trauma and Stressor Related Disorders |
| D001523 | Mental Disorders |
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| ID | Term |
|---|---|
| D010808 | Physical Examination |
| ID | Term |
|---|---|
| D019937 | Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
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| Prevalence of psychiatric symptoms in a sample of healthy controls without mental disorder |
Prevalence of psychiatric symptoms according to the Brief Psychiatric Rating Scale (BPRS). The first 18 items on this scale provide a total score from 0 to 146, with higher scores signifying more severe psychiatric symptoms, while item 19 provides an estimate of severity of illness on a Likert scale from 1 to 7. |
| cross-sectional, baseline |
| Prevalence of symptoms of somatoform dissociation in a sample of healthy controls without mental disorder | Prevalence of symptoms of somatoform dissociation according to the Somatoform Dissociation Questionnaire (SDQ-20). Each item is scored on a Likert scale from 1 to 5, up to a total score of 100. Higher scores denote more somatoform symptoms. | cross-sectional, baseline |
| Prevalence of depersonalisation dissociative symptoms in a sample of healthy controls without mental disorder | Prevalence of depersonalisation dissociative symptoms according to the Cambridge Depersonalisation Scale. Each item is scored for frequency (0 to 4) and duration (1 to 6), and these scores are summed together to create a total score. Higher scores indicate greater levels of dissociative symptoms. | cross-sectional, baseline |
| Prevalence of difficulties in psychosocial functioning in a sample of healthy controls without mental disorder | Prevalence of difficulties in psychosocial functioning according to the Functioning Assessment Short Test (FAST). Each item on this scale is scored on a Likert scale of 0 to 3, providing a total score between 0 and 72. Higher scores indicate a greater degree of difficulty in functioning. | cross-sectional, baseline |
| Prevalence of childhood trauma events (physical, sexual, or emotional abuse, and physical or emotional neglect) in a sample of healthy controls without mental disorder | Prevalence of childhood trauma experiences according to the Childhood Trauma Questionnaire (CTQ). This scale provides a score for each subscale of physical, sexual, or emotional abuse, and physical or emotional neglect, with scores categorised as ranging from none to severe. | cross-sectional, baseline |
| Prevalence of recent stressful life events in a sample of healthy controls without mental disorder | Prevalence of recent stressful life events in the previous year according to the Social Readjustment Rating Scale (Holmes & Rahe). This scale provides the number of stressful events. Each event has a weighted score which is summed to create a total score, with higher scores signifying a greater risk of stress-related illness. | cross-sectional, baseline |