ABSTRACT:Psychometric properties of the Turkish PTSD-Short Scale in a sample of undergraduate students Objective: The National Stressful Events Survey for Posttraumatic Stress Disorder (PTSD)-Short Scale (NSESSS-PTSD) allows dimensional self-rating assessment of PTSD according to the DSM-5. The aim of the present study was to evaluate psychometric properties of this scale as Turkish PTSD-Short Scale (PTSD-SS) in a sample of undergraduate students in Turkey.Method: Participants included 415 university students, among which 351 (84.8%) reported trauma and thus were included in the analysis. Participants were evaluated with the PTSD-SS and the PTSD Checklist Civilian (PCL-C) version.Results: Turkish version of the PTSD-SS was found to be psychometrically sound PTSD screening measure with high convergent validity when compared with PCL-C (r=0.79) and having a Cronbach's α of 0.87. In addition, a single component accounted for 49.94% of total variance for PTSD-SS. The PTSD-SS had sensitivity and specificity scores of 0.91 and 0.77, respectively, when using the optimal cut-off score of 24. Additionally, the PTSD-SS showed good discriminant validity as it significantly differentiated students with high risk of PTSD from those with low risk of PTSD.
Conclusion:These findings supported the Turkish PTSD-SS as reliable and valid PTSD screening instrument with a unidimensional scale construct.
Background: The purpose of the current study is to investigate the relationship of symptoms of Posttraumatic Stress Disorder (PTSD) to childhood trauma and personality characteristics among patients with the diagnosis of mixed anxiety-depression disorder. Subjects and methods: A total of 130 patients who were admitted to the psychiatry outpatient and were diagnosed with mixed anxiety-depression disorder were conveniently sampled in the current study. In order for the researchers to complete the assessment, the patients with a history of at least one traumatic experience (40.8%, n=53) were asked to complete a socio-demographic form, the Beck Anxiety Inventory and Beck Depression Inventory, the Childhood Trauma Questionnaire-Short Form, the Posttraumatic Stress Disorder Checklist-Civilian Version, and the Eysenck Personality Questionnaire Revised/Abbreviated Form. Results: One hundred thirty patients participated in the current study. In the study, 40.8 % of the patients (n=53) reported that they had been exposed to at least one traumatic event during their lifetime. Patients with a history of at least one traumatic experience (40.8%, n=53) were separated into two groups: those with a diagnosis of PTSD (n=21) (39.6%) and those without PTSD (n=32) (60.4%) (cut off score is 50 and above). The mean comparisons concluded that the group with PTSD and the group without PTSD were significantly different from each other in terms of depression and anxiety symptom severity, neuroticism, and history of physical abuse and neglect. Spearman's correlation analysis revealed that PTSD severity was significantly and positively correlated with neuroticism, and with depression and anxiety symptom severity, as the scores were significantly and negatively correlated with extraversion. The two-step logistic analysis first revealed the severity of the depression symptom, and secondly, physical abuse significantly predicted PTSD in the PTSD group. Conclusions: In patients with anxiety and/or depressive disorder, PTSD is one of the most frequently-observed comorbid psychiatric disorders. The current study revealed that a history of childhood trauma, neuroticism, and introversion can be considered risk factors for PTSD among patients with mixed anxiety-depression disorder in adulthood. Therefore, it should be taken into consideration that those neurotic and introverted patients with childhood trauma history could be more at risk for PTSD.
OBJECTIVES: The first aim of this study was to investigate the relationship of impulsivity with Internet addiction symptom severity (IASS), and the second aim was to evaluate the mediator effect of posttraumatic stress disorder (PTSD) symptoms on this relationship among Turkish university students. METHODS: A total of 314 Turkish university students participated in this study. However, 268 students who answered "YES" to the any question concerning various traumatic experiences were included in the study. The students were assessed through sociodemographic questionnaire, the Internet Addiction Scale (IAS), the Posttraumatic Stress Disorder Checklist-Civilian Version (PCL-C) and the Barratt Impulsiveness Scale 11-Short Form (BIS-11-SF). RESULTS: According to Internet addiction risk severity (IARS), the participants were classified into the three groups as high (25.0%, n = 67), mild (33.6%, n = 90), and no risk (41.4%, n = 111) of IA. Total score of BIS-11-SF and subscale scores (non-planning impulsivity [NPI], motor impulsivity [MI], and attention impulsivity [AI]) were higher in the group with high IARS. Scale scores were mildly correlated with each other. Finally, hierarchical regression analysis indicated that severity of MI, AI, and PTSD symptoms, especially hyperarousal symptoms, were the main predictors for IASS. CONCLUSIONS: There was strong relationship between impulsivity and IASS and this relationship persist even after severity of PTSD symptoms was entered in the analysis among Turkish university students. Severity of PTSD symptoms especially hyperarousal symptoms, may partially mediate the relationship between severity of impulsivity (especially MI and AI) and IASS.
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