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ORIJINAL ARAŞTIRMA

Waddell Engellilik İndeksi’nin Türkçe Versiyonunun Kültürler Arası Çevirisi, Geçerliliği ve Güvenilirliği
Cross-Cultural Translation, Validity and Reliability of the Turkish Version of the Waddell Disability Index
Received Date : 04 Nov 2022
Accepted Date : 10 Jan 2023
Available Online : 19 Jan 2023
Doi: 10.31609/jpmrs.2022-94169 - Makale Dili: EN
J PMR Sci. 2023;26(2):206-13
ÖZET
Amaç: Hastanın fonksiyonel yeteneklerini değerlendirmenin ve başarılı bir tedavi prosedürüne karar vermenin en önemli yönü, değerlendirme anketlerinin doğru yönetimidir. Bu çalışmanın amacı, Waddell Engellilik İndeksi’ni [Waddell Disability Index (WDI)] Türkçeye çevirmek ve Türk popülasyonunda bel ağrılı [low back pain (LBP)] hastalar arasında güvenilirliğini ve geçerliliğini değerlendirmektir. Gereç ve Yöntemler: Bu çalışmaya, en az 3 aydır bel ağrısı olan 100 (63 kadın, 37 erkek) kişi dâhil edildi. Tüm katılımcılardan WDI, Roland-Morris Engellilik Anketi [Roland-Morris Disability Questionnaire (RMDQ)] ve Bournemouth Anketi’ni [Bournemouth Questionnaire (BQ)] kabul gününde ve 1 hafta sonra doldurmaları istendi. Güvenirliğin değerlendirilmesi için test-tekrar test güvenirliği ve iç tutarlılık analizleri uygulanmıştır. Test-tekrar test analizi, sınıf içi korelasyon katsayısı [intraclass correlation coefficient (ICC)] yöntemi (%95 güven aralığı) kullanılarak değerlendirildi. İç tutarlılık için Cronbach alfa katsayısı değeri hesaplanmıştır. Yakınsak geçerlilik için Spearman korelasyon katsayısı analizi kullanıldı. Bulgular: Çalışmada ortalama yaş 50,14±12,61 yıl idi. WDI, iyi bir iç tutarlılığa (Cronbach alfa katsayısı=0,816) ve mükemmel test-tekrar test güvenilirliğine (ICC=0,957) sahipti. WDI ile RMDQ arasındaki Spearman korelasyon katsayısı 0,641 ve WDI ile BQ arasındaki Spearman korelasyon katsayısı 0,729 olarak hesaplandı. Bu sonuçlar, WDI’nın RMDQ ve BQ ile çok iyi korele olduğunu gösterdi (p<0,001). Sonuç: Sonuçlarımız, WDI’nın Türkçe versiyonunun Türk halkı için güvenilir ve geçerli bir araç olduğunu göstermektedir.
ABSTRACT
Objective: The most important aspect of evaluating the functional abilities of the patient and deciding on a successful treatment procedure is the correct management of the evaluation questionnaires. The aim of this study was to translate the Waddell Disability Index (WDI) into the Turkish language and assess its reliability and validity among patients with low back pain (LBP) in the Turkish population. Material and Methods: >100 subjects (63 female, 37 male) who had LBP for at least 3 months were included in this study. All participants were asked to complete the WDI, the Roland-Morris Disability Questionnaire (RMDQ), and the Bournemouth Questionnaire (BQ) on the day of admission, and 1 week later. The testretest reliability and internal consistency analyses were applied for the assessment of reliability. The test-retest analysis was assessed by using the intraclass correlation coefficient (ICC) method (95% confidence interval). The value of Cronbach’s alpha coefficient was calculated for internal consistency. Spearman’s correlation coefficient analysis was used for convergent validity. Results: The mean age was 50.14±12.61 years in the study. The WDI had a good internal consistency (Cronbach’s alpha coefficient= 0.816) and excellent test-retest reliability (ICC=0.957). Spearman’s correlation coefficient of the WDI with the RMDQ was calculated at 0.641 and Spearman’s correlation coefficient of the WDI with the BQ was calculated at 0.729. These results showed that the WDI is very well correlated with the RMDQ and the BQ (p<0.001). Conclusion: Our results suggest that the Turkish version of the WDI is a reliable and valid instrument for Turkish people.
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