Reliability and validity of the Bladder and Bowel Dysfunction Questionnaireamong Turkish children.

Background/aim: We developed a Turkish version of the Bladder and Bowel Dysfunction Questionnaire (BBDQ) and evaluated its psychometric properties among Turkish pediatric patients.Materials and methods: The BBDQ was translated into Turkish and then it was back-translated into English. A total of 193 patients were asked to complete the Turkish version of the BBDQ as well as the Dysfunctional Voiding and Incontinence Scoring System (DVISS).