Lauren Shepard, Nathan Schuler, Gopal Narang, Shaan Setia, Akhil Das, Nicole Miller, Mitchell Humphreys, Amy Krambeck, Ahmed Ghazi
From Consensus to Validation: A Multicenter Study for Design and Development of a Holmium Laser Enucleation of the Prostate Hydrogel Simulation Platform
Journal of endourology
korea studies diet elementary school children hindered need comprehensive dietary assessment tool thus aim study develop semiquantitative food frequency questionnaire ffq korean elementary school children 24h recall data 1624 subjects aged 611 yrs seventh korea national health nutrition examination survey used extract items included questionnaire ffq items developed selecting major dishes based results nutritional contribution betweenperson variability energy 14 nutrients carbohydrate protein fat crude fiber calcium phosphorous iron sodium potassium vitamin thiamin riboflavin niacin vitamin c selected major dishes 90 total contribution nutrient 90 accumulated r2 nutrient among 452 dishes selected 248 dishes contributing 1 total consumption finally ffq included 107 items combined 248 dishes based nutrient profile recipe ffq items accounted average 886 energy 14 nutrient intakes 914 betweenperson variability quantities dietary intake assessed 9 categories frequency 3 categories portion size percentages coverage energy protein fat carbohydrate calcium 902 878 899 908 887 respectively developed dishbased semiquantitative ffq comprising 107 items korean elementary school children aged 6 11 studies needed evaluate reproducibility validity ffq elementary school children