Results for: Nikolaidou Polyxeni Your search came up with 1 results: Volumes/Issues / Volume 2 (2013) / Issue 1 January-April 2013 Validation of a food frequency questionnaire designed for children 10-12 years: THE PANACEA-FFQ RUNNING TITLE: PANACEA FFQ VALIDATION Tuesday, January 1, 201391%) between FFQ and 3DD according to the Bland and Altman method was found. Low but still significant agreement for refreshments /juices (tau-b=0.29, p=0.004),dairy products (tau-b=0.26, p<0.001), starchy products (tau-b=0.13, p=0.057), vegetables (tau-b=0.23, p=0.006), fruits (tau-b=0.19, p=0.017), sweets/snacks (tau-b=0.14, p=0.057) and toasts/pizzas (tau-b=0.19, p=0.017) was also observed.