Reliability and Validation of Thai-version of Urge-Urinary Distress Inventory Questionnaire

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Krit Kangsadanporn
Suvit Bunyavejchevin
Purim Ruanphoo


Objectives: To develop and test the reliability of a Thai version of the urge-urinary distress inventory (U-UDI) questionnaire and to correlate with overactive bladder symptom score (OABSS) and overactive bladder validated 8 question screener (OAB-V8) questionnaires.
Materials and Methods: During June 2019 and July 2020, 100 Thai women attending the female pelvic medicine clinic at King Chulalongkorn Memorial Hospital with overactive bladder were recruited. The original English of U-UDI was forward translated into a Thai version by one linguist from Chulalongkorn University and backward translated by another linguist then the content was validated by two urogynecologists at our department. The patients were asked to complete the Thai version of U-UDI, OABSS and OAB-V8 questionnaires at first visit and only Thai version U-UDI questionnaire at 2-week interval.
Results: All patients completed the study. The mean ± standard deviation (SD) of age were 61.1 ± 11.8 years. The mean ± SD of the urge domain U-UDI summary score was 1.6 ± 0.8 (first visit) and 1.4 ± 0.9 (at 2 weeks). The weighted Kappa coefficients of the 9 items were 0.4-0.5. Test-retest reliability showed good reliability with intraclass correlation 0.8 (95% confidence interval 0.7, 0.8). The Cronbach’s alpha of U-UDI was 0.8. The Pearson’s correlation (r) of U-UDI to OABSS and OAB-V8 was 0.6 and 0.6.
Conclusion: A Thai version of U-UDI questionnaire was reliable and valid. It could be used as a tool for urinary urgency evaluation in Thai women.


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