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Yıl:2013; Cilt: 16; Sayı: 1>> Özet
TAM METİN
Klinik Psikiyatri Dergisi; 2013;16(1):27-33
Whiteley İndeksi Türkçe Versiyonunun (Türkçe WI-7) Geçerlik, Güvenirliği ve Faktör Yapısı
H Güleç, MY Güleç, EK Ünal, A Karabekiroglu, K Sayar, S Köse
Erenköy Ruh Sağlığı ve Hastalıkları Hastanesi, İstanbul
Amaç: Bu çalışmada bedensel uyarı ya da değişikliklerin hastalık göstergesi olarak yaşantılanma davranışı olan hipokondriyazisin/sağlık anksiyetesinin ölçülmesinde kullanılan, Pilowsky tarafından geliştirilmiş, Fink ve ark. tarafından modifiye edilmiş olan yedi maddelik Whiteley İndeksi (WI-7) Türkçe uyarlamasının geçerliği, güvenirliği ve faktör yapısı araştırıldı. Yöntem: Bu çalışma 240 lisansüstü öğrencisi ve 170 hasta ile yürütüldü. Katılımcılara WI-7, Belirti Tarama Listesi (SCL-90R) ve Beck Depresyon Ölçeği (BDÖ) verildi. Bulgular: Ölçeğin toplam puanı (r:0.49) ve sorular tek tek (r:0.27-0.52) ele alındığında düşük-orta düzeyde bir test-tekrar test tutarlığı gösterdi. Ölçeğin iç tutarlık incelenmesinde Cronbach alfa değeri 0.78 olarak bulundu. Geçerlik analizinde, hasta grubu ile kontrol grubu ortalamaları arasında WI-7'nin istatistiksel olarak anlamlı farklılık gösterdiği saptandı. Bedensel belirtiler/bedensel düşünce uğraşı ile hastalık kaygısı/fobisi olmak üzere 2-faktörlü bir yapı ortaya çıktı. Ölçüt bağıntılı geçerliği için BDÖ ve SCL-90R alt-ölçekleri ile pozitif yönde ilişki gösterdiği bulundu. Sonuç: WI-7'nin iç tutarlık, test-tekrar test tutarlığı ve madde toplam ilişkisi, faktör yapısı, özel grupları ayırt edici geçerlik ve ölçüt bağıntılı geçerlik bulguları ölçeğin, Türk toplumunda belli kısıtlamaları olmakla birlikte kabul edilebilir ölçülerde geçerli ve güvenilir olduğunu göstermektedir.
Turkish Version of the Whiteley Index (Turkish WI-7): Reliability, Validity, and Factorial Structure
Objectives: In this study, we examined the reliability, validity, and factorial structure of the Turkish version of the Whiteley Index (WI-7), a scale developed by Pilowsky and modified by Fink et al to measure hypochondriasis or health anxiety as an indicator of somatic stimulus and/or changes along with its reliability, validity, and factorial structure. Method: The study was conducted in healthy volunteers at a university school (n=240) and in patients who are attending outpatient Psychiatry Clinic (n=120). Participants were administered the Turkish version of the Whiteley Index (Turkish WI-7), the Symptom Check List (SCL-90R), and the Beck Depression Inventory. Results: Individual items (r=0.27-0.52) and total score (r=0.46) showed weak-to-moderate test-retest correlations. The Cronbach's coefficient was 0.78. In validity analysis, significant differences were found between total WI-7 scores of patients and healthy controls. Factor analysis yielded a two factor structure: somatic symptoms/somatic preoccupation (items #1, #2, #4, #5 and #7) and disease worry/phobia (items #3 and #6). The Turkish WI-7 were correlated well with the SCL-90R subscales and the BDI. Conclusion: Despite certain limitations, the internal consistency, test-retest reliability, validity and factorial structure of the Turkish version of the Whiteley Index were supported by its reliable psychometric properties and construct validity in a representative Turkish sample. 

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