Browsing by Author "Uykur, B"

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    Reliability and Validity of the Turkish Version of the Health Anxiety Inventory
    Aydemir, Ö; Kirpinar, I; Sati, T; Uykur, B; Cengisiz, C
    Introduction: Health anxiety is seen in the clinical presentation of both somatoform disorders, especially hypochondriasis and anxiety disorders. In this study, we aimed to perform the reliability and validity analyses of the Turkish version of the Health Anxiety Inventory which is used in the assessment of health anxiety. Method: Translation and back-translation of the Health Anxiety Inventory was done. Study groups consisted of in-or out-patients with somatoform disorder (n=65), panic disorder (n=55), major depressive disorder (n=22), and healthy volunteers (n=114). In the assessment, beside the Health Anxiety Inventory, the Hamilton Rating Scale for Depression, Somatosensory Amplification Scale and the Trait Anxiety Inventory were used. Results: In reliability analyses, Cronbach's alpha internal consistency coefficient was 0,918 and item-total score correlation coefficients were between 0.405 and 0.769. Test-retest correlation coefficient was r=0.572. In construct validity, two factors that representing 54.5 percent of the total variance were obtained and they represented sensitivity to somatic symptoms and anxiety towards organic diseases. In concurrent validity, it had moderate to good correlation with the other study scales. In the comparison of study groups, the groups of somatoform disorder and anxiety disorder had significantly higher level of health anxiety than the groups with major depressive disorder and of healthy controls. Conclusion: The Turkish version of the Health Anxiety Inventory can be reliably and validly used both in clinical practice and in research.
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    Reliability and Validity Study of the Turkish Version of Functioning Assessment Short Test in Bipolar Disorder
    Aydemir, Ö; Uykur, B
    Objective: There is a need for instruments to assess the Functioning Assessment Short Test practically. In this study the goal was to to perform a reliability and validity analyses of the Functioning Assessment Short Test (FAST) in bipolar disorder. Method: The study was harbored 70 patients with bipolar disorder and 134 healthy control subjects. Thirteen of the patients were in the manic episode, 16 were in the depressive episode, and 41 patients were in remission. First, FAST was translated into Turkish and then it was back-translated into English. The translation was finally approved by the author of the original development study. In the concurrent validity, Bipolar Disorder Functioning Questionnaire (BBi) was used. Results: In the reliability analyses, Cronbach alpha coefficient of internal consistency was calculated to be 0.960, and test-retest reliability coefficient was found to be 0.945. In the validity analyses, in the exploratory factor analysis five factors were obtained and the factor represented social functioning, occupational functioning, autonomy, cognitive functioning and financial issues. In the confirmatory factor analysis, comparative fit index was 0.912 and RMSEA value was 0.085. In the concurrent validity analyses, the domains of FAST were correlated poorly to moderately with the subscales of BBi. FAST discriminated bipolar patients with symptomatic episodes and remitted patients, healthy controls. The area under the ROC curve was found to be 0.824. Conclusion: These results point out that the Turkish version of Functioning Assessment Short Test can used reliably and validly in bipolar patients.
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