Participants will be asked to complete the electronic diary for three days and the paper diary for three days. Half of the participants will complete the digital diary first, the other half will complete the paper diary first, and this will be done by alternating consecutively. Patients will be asked to record the time and volume of voids, any incontinence or urgency episodes and sleep-wake times. On the day of their urodynamics appointment, patients should return with their electronic and paper diaries