Abstract
ABSTRACTObjective: To translate and validate an Arabic (Tunisian) version of the Urogenital Distress Inventory short form (UDI-6) and Incontinence Impact Questionnaire short form (IIQ-7), which can be used reliably in daily practice and clinical research for Tunisian and Arabic populations.Patients and methods: This cross-sectional study was conducted from January to June 2018. The UDI-6 assesses the presence of urinary incontinence (UI) and the degree of impairment that it causes, whilst the IIQ-7 evaluates women’s life quality with lower urinary tract symptoms. As UI is a relatively common condition in middle-aged and older women these tools are utilised worldwide. The Arabic (Tunisian) translation and cultural adaptation of the UDI-6 and IIQ-7 was achieved via the forward/backward method and comprehension test within a group of 15 patients. Psychometric validation included testing the questionnaire on a group of 35 patients. Intra-rater reliability was evaluated by calculation of the intraclass correlation coefficient (ICC) for each item of the questionnaires. Cronbach’s α was used to assess internal consistency. The International Consultation on Incontinence Modular Questionnaire short form (ICIQ-SF), in its Arabic version, was used as the ‘gold standard’.Results: For the UDI-6, the ICC was 0.98 demonstrating excellent intra-rater reliability and Cronbach’s α was 0.99 (>0.9), confirming an excellent correlation between the different items. Internal consistency (Cronbach’s α 0.99) and test–retest reliability of the IIQ-7 (ICC 0.98) were very good. For both questionnaires, the κ values for each item ranged from 0.77 to 0.96.Conclusions: We found that the UDI-6 and IIQ-7 questionnaires were valid tools that can be used reliably in daily practice and clinical research for Tunisian and Arabic women with UI.Abbreviations: ICC: intraclass correlation coefficient; ICIQ-SF: Incontinence Modular Questionnaire short form; IIQ-7: Incontinence Impact Questionnaire short form; QoL: quality of life; UDI-6: Urogenital Distress Inventory short form; UI: urinary incontinence
Highlights
Urinary incontinence (UI) is common in middle-aged and older women, with a reported prevalence varying from 10% to 46% in different populations [1,2]
We found a good match and internal consistency (Cronbach’s α 0.973) for all items
As for the percentage of each of the responses obtained through the questions of the Incontinence Modular Questionnaire short form (ICIQ-SF), 12 women (34.28%) had leaks 2 or 3 times a week, and 17 (48.57%) a very small amount of leaks
Summary
Urinary incontinence (UI) is common in middle-aged and older women, with a reported prevalence varying from 10% to 46% in different populations [1,2]. To assess the impact of UI in clinical practice and research, we need to properly evaluate the patient’s symptoms using validated questionnaires These include the self-administered questionnaires the Urogenital Distress Inventory (UDI-6), classified as a grade A recommendation questionnaire [4], and the Incontinence Impact Questionnaire (IIQ-7), in their short forms. These questionnaires make it possible to detect different urogenital symptoms and diagnose the existence or not of UI, the grade of this UI, and its impact on QoL in women who present with it. The objective of the present study was to validate the UDI-6 and IIQ-7 in the Arabic (Tunisian) language by evaluating the test–retest reliability, internal consistency, and their validity in women with UI in order to provide useful assessment tools for use in Tunisian women with UI
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