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Sirikuntaramas S ,
Sumboonnanonda A ,
Farhat W Objective: To translate and adapt DVSS to Thai version and evaluate validity and reliability of this questionnaire in children aged 3-10 years.
Material and Method: DVSS English version was translated into Thai according to the following methodology: translation, synthesis, back-translation, expert reviews, and pre-testing. Patients aged 3 -10 years with a history of diurnal urinary incontinence, urinary tract infection or abnormal voiding habits, presenting to pediatric nephrology or urology clinic, were recruited as study group. Age-matched children presenting to general outpatient clinic were recruited as control group. Final DVSS-Thai version was tested and re-tested at the following 1 - 2 weeks. The internal consistency and test–retest reliability was assessed with Cronbach’s alpha test and intraclass correlation (ICC), respectively. The optimum cutoff score was analyzed using receiver operating characteristics (ROC) curve.
Results: The back translation to English of Thai version corresponded to the original English DVSS. Age and sex between the study (n = 22) and control (n = 30) group were not different. Mean total scores of the DVSS were 11.6±4.7 VS 1.9±1.6 (p<0.001) in the study and control group, respectively. Cronbach’s alpha coefficient was 0.8 and intraclass correlation coefficient (ICC) was 0.906 (p<0.001). The optimum cutoff score was 5 (sensitivity 100% and specificity 96.7%) with area under the curve of 0.998 (p<0.001).
Conclusion: Thai version of the DVSS was completed by proper process and demonstrated an excellent validity and reliability. It should be used to identify BBD in Thai children.
Keywords: lower urinary tract dysfunction, bladder and bowel dysfunction, Thai version, questionnaire, validation