Akademik Veri Yönetim Sistemi
Anadolu Psikiyatri Dergisi, cilt.18, ss.18-23, 2017 (SCI-Expanded)
Objective: This study demonstrates the reliability and validity of the Turkish form of Repetitive Thoughts and Behaviors Scale (RTBS) which is developed according to DSM-5 criteria to measure the severity of obsessive-compulsive disorders (OCD). Methods: This research was carried out with 30 patients who fulfilled the criteria of obsessive compulsive disorders according to DSM-5 criterion in inpatient and outpatient psychiatric clinics of Celal Bayar University, School of Medicine. As the control group, 30 volunteers without any mental or physical diseases were invited. Besides RTBS, Maudsley Obsessive Compulsive Questionnaire (MOCQ) which is the most commonly used self-report scale was used for concurrent validity. In reliability analyses, internal consistency coefficient and item-total correlation coefficients were calculated. In validity analyses, factor analysis and correlation analysis with MOCQ were performed as well as ROC analysis. Results: The mean age of the study group was 31.2±9.7 years, and 65% of the sample group (n=39) were female. 56.7% of the group were college graduates, 25% high school graduates, 18.3% primary school graduates. Disease duration in the obsessive-compulsive disorder group was 7.5±6.1 years. The internal consistency of the RTBS 0.97 and, item-total correlation coefficients of the RTBS be-tween 0.86 and 0.95 was obtained. For the exploratory factor analysis, sample adequacy was tested, Kaiser-Meier-Olkin (KMO) coefficient was 0.87 and Bartlett’s coefficient was 436.89. Single-factor solution was obtained and the eigenvalue was 4.50, representing 90.1% of the total variance. Factor loadings of the items were between 0.91-0.97. The coefficient of correlation analysis with MOCQ was calculated as r=0.71. The area under the curve in ROC analysis was 0.93. Conclusion: With these findings, it is shown that RTBS is reliable and valid for Turkish Form.