Browsing by Author "Oral E.T."

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    Reliability and validity of turkish version of biological rhythms interview of assessment in neuropsychiatry
    (2012) Aydemir Ö.; Akkaya C.; Altinbaş K.; Kora K.; SüCüllüoglu Dikici D.; Akdeniz F.; Kalayci F.; Oral E.T.; Vahip S.
    Objective: In this study, it is aimed to perform the validity and reliability of the Turkish version of Biological Rhythms Interview of Assessment in Neuropsychiatry. Methods: The study was performed with 79 bipolar type-I disorder, 26 bipolar type-II disorder and 42 major depressive disorder patients attending to mood disorder clinics of three university hospitals and one state training hospital as well as 116 university students consisting healthy control subjects. The mean duration of the illness was 15.1 years for the bipolar groups and 9,3 years for the depressive group. For concurrent validity, Pittsburgh Sleep Quality Index was used. In the statistical analyzes, internal consistency coefficient, item-total score correlations, exploratory and confirmatory factor analyzes, correlation with the other scale and ROC curve were calculated. Results: The forward and back translation of the Biological Rhythms Interview of Assessment in Neuropsychiatry was performed, and linguistic equivalence was obtained with the scale prepared. In internal consistency, the Cronbach's alpha coefficient was found to be 0.899 and item-total correlation coefficients were between 0.239 and 0.747. In the exploratory factor analysis, a total of three factors representing 56.5% of the total variance were obtained and the themes of the factors were daily activities, sleep and eating habits and interpersonal relations. In the confirmatory factor analysis, confirmatory fit index was 0.932 and root mean square of approximation was 0.065. The correlation between Biological Rhythms Interview of Assessment in Neuropsychiatry and Pittsburgh Sleep Quality Index was found to be r=0.238. In the sensitivity and specificity analysis, the area under the ROC curve was 0.876. The scale discriminated mood disorder groups from the healthy control group. Conclusion: It is shown that the Turkish version of Biological Rhythms Interview of Assessment in Neuropsychiatry which is used in the assessment of circadian rhythm and functionality is reliable and valid.
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    Reliability and validity study of the Turkish version of Hypomania Checklist-32-Revised
    (Turkish Association of Nervous and Mental Health, 2017) Vahip S.; Aydemir Ö.; Akkaya C.; Altinbaş K.; Kora K.; Sücüllüoğlu Dikici D.; Akdeniz F.; Kalayci F.; Oral E.T.; Vahip I.; Alkan M.; Angst J.
    Objective: In this study, we aimed to evaluate the reliability and validity of the Turkish version of Hypomania Checklist-32-Revised. Method: The study was carried out with 80 patients diagnosed with bipolar I disorder, 26 patients diagnosed with bipolar II disorder and 42 patients diagnosed with major depressive disorder attending the out- and in-patient psychiatry departments of three university hospitals and one training hospital and 116 healthy volunteers consisting of university students. Mean duration of illness was 15.1 years for the bipolar disorder group and 9.3 years for the major depressive disorder group. For concurrent validity, the Mood Disorder Questionnaire was used. In the statistical analysis, internal consistency coefficient, item-total score correlation coefficients, exploratory factor analysis, correlation with concurrent scale and ROC curve were calculated. Results: Translation into Turkish and back-translation into English of Hypomania Checklist-32-Revised were performed and thus the semantic harmony of the scale was obtained. In the internal consistency, Cronbach alpha coefficient was 0.914 and item-total score correlations were between 0.235-0.743. Unlike the rest, the coefficient of item #23 was found as 0.110. In factor analysis, six factors were obtained; however, a two-factor solution representing 44.5% of the total variance was accepted whereas the first factor represents overactivity and being expansive, where the second factor represents impulsivity and risky behaviors. Correlation of Hypomania Checklist-32-R with Mood Disorder Questionnaire was r=0.379. In the ROC analysis, the cutoffpoint of the scale was calculated as 14 with a sensitivity of 71.0 and specificity of 69.8. The scale discriminates well between the bipolar group, depressive and control groups. Conclusion: Hypomania Checklist-32-Revised developed for screening hypomania is reliable and valid in Turkish after exclusion of item #23.