Comparison of a Web-Based Frequency Questionnaire for Assessment of Beverage Intake with a Validated 7-Day Web-Diary from Danish Teenagers
Anja Biltoft-Jensen, Jeppe Decker Iversen, Lene Møller Christensen & Jeppe Matthiessen · European Journal of Nutrition & Food Safety · 2014
Aims: To compare beverage intake measured using a web-based quantitative beverage frequency questionnaire (BFQ) with a 7-day estimated beverage diary (WebDAS), and to evaluate the BFQ’s feasibility. Study Design: Cross-sectional comparison of the BFQ, which contained 37 beverage...
Open access
Research Article
10.9734/EJNFS/2014/9486