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SARI, ZÜBEYİR

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    Cross-cultural translation, validity, and reliability of the Turkish version of the Back Pain Attitudes Questionnaire
    (ELSEVIER, 2022) ÖZGÜL, BAHAR; Tay, Hilal Ata; Ozgul, Bahar; Darlow, Ben; Sari, Zubeyir
    Background: As the Back Pain Attitudes Questionnaire (Back-PAQ), a validated instrument, could be performed to evaluate biopsychosocial dimensions of back pain, it has not been translated and adapted for Turkish population. Objectives: It was aimed to translate and cross-culturally adapt the Back-PAQ (versions of 34-item, 20-item, and 10-item) into Turkish language and analyse the validity and reliability of the Back-PAQ-Turkish version (Back-PAQ-Tr). Study design: Study of diagnostic accuracy/assessment scale. Methods: The translation and cross-cultural adaptation process were carried out in several steps according to international best-practice guidelines. 173 participants with back pain were recruited. Turkish version of the Tampa Scale of Kinesiophobia (TSK-Tr) and Fear Avoidance Beliefs Questionnaire (FABQ-Tr) were used to investigate the convergent validity. Results: Internal consistency of the Back-PAQ-Tr, Back-PAQ-Tr-20, and Back-PAQ-Tr-10 were 0.82, 0.78 and 0.68, respectively. Test-retest reliability was excellent for Back-PAQ-Tr (ICC = 0.95) and Back-PAQ-Tr-20 (ICC = 0.95), but weak for Back-PAQ-Tr-10 (ICC = 0.50). A weak correlation was found between all versions of Back-PAQ-Tr and TSK-Tr & FABQ-Tr, except for the moderate correlation between Back-PAQ-Tr-10 and TSK-Tr (r = -0.51) & the physical activity score of FABQ-Tr (r = -0.51). Back-PAQ-Tr, Back-PAQ-Tr-20, and Back-PAQ-Tr-10 accounted for 66.2%, 60.5%, and 78.2% of the variance in the data set, respectively. Conclusion: The versions of 34-item and 20-item Back-PAQ-Tr are reliable and valid questionnaire to assess Turkish populations' attitudes and beliefs regarding back pain. Since the reliability of the 10-item version was determined to be quite low, we particularly recommend the use of the versions of Back-PAQ-Tr and Back-PAQ-Tr-20.
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    The reliability and validity of the Turkish version of the telehealth usability questionnaire and the telemedicine satisfaction questionnaire in patients with multiple sclerosis
    (WOLTERS KLUWER MEDKNOW PUBLICATIONS, 2021) SARI, ZÜBEYİR; Ozden, Fatih; Ozkeskin, Mehmet; Sari, Zubeyir; Ekmekci, Ozgul; Yuceyar, Nur
    Objective: The aim of the study was to translate and cross-culturally adapt the Telehealth Usability Questionnaire (TUQ) and the Telemedicine Satisfaction Questionnaire (TSQ) into Turkish and also to analyze the reliability and validity of both questionnaires. Materials and Methods: A total of 107 multiple sclerosis (MS) patients were recruited. The department clinician monitored all participants with telemedicine for 4 years. Internal consistency was evaluated with Cronbach's alpha coefficient. The test-retest reliability was calculated with intraclass correlation coefficient by analyzing the scores of retested 52 patients 1 week later. The construct validity was examined by Pearson's correlation coefficient (r). Besides, the internal consistency for the subscores of the TUQ and exploratory factor analysis of the TSQ was analyzed. Results: The mean age was 40.5 +/- 11.0 years. Internal consistency of all items and the total score of the TUQ were excellent (>0.80; ranged: 0.976-0.979). On the other hand, the internal consistency of all items and total score of the TSQ was excellent, either (>0.80; ranged: 0.969-0.973). The reproducibility of the total score for the TUQ was excellent (>0.80). The test-retest reliability of all items and the total score of the TSQ were within limits ranging from acceptable to excellent (0.617-0.860). The reliability of the total score for the TSQ was excellent (>0.80). The internal consistency of all subscales of the TUQ was excellent (>0.80). The correlation between TUQ and TSQ was strong (r = 0.882, P < 0.001). The factor loading scores of the TSQ were high (0.814-0.919). Conclusions: The Turkish version of the TUQ and the TSQ are valid and reliable in MS patients.