OpenDRS: An Open-source 24-hour Recall for Mobile Devices (P13-004-19)

Our aim was to develop a 24-hour recall program using open-source language that can be readily adapted for use on multiple platforms and in different settings. We developed the Open Dietary Recall System (OpenDRS), a multi-pass, 24-hour recall survey using the XLSForm programming language. XLSForm operates in Microsoft Excel and is used by several free or subscription-based electronic survey platforms that deploy forms via Android devices or...