0000000001275539

AUTHOR

Elisabeth Johannesen

showing 2 related works from this author

Test-retest reliability and validity of a web-based food-frequency questionnaire for adolescents aged 13-14 to be used in the Norwegian Mother and Ch…

2014

Background: The assessment of food intake is challenging and prone to errors; it is therefore important to consider the reliability and validity of the assessment methods.Objective: The aim of this study was to analyze the reproducibility and validity of a developed food-frequency questionnaire (FFQ) for use among adolescents.Design: In total, 58 students (aged 13–14) from four different schools in the southern part of Norway participated in the reproducibility study of filling out the FFQ 4 weeks apart. In addition, 93 students participated in the relative validity study where the FFQ was compared to 2×24-hour dietary recalls, while 92 students participated in the absolute validity study w…

validationfood-frequency questionnaire24-hour dietary recallvalidation: food-frequency questionnaire: 24-hours dietary recall: adolescentsDietary Assessment toolslcsh:TX341-641Original Articleadolescentslcsh:Nutrition. Foods and food supplyVDP::Medical disciplines: 700::Health sciences: 800::Nutrition: 811Foodnutrition research
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Test-retest and validity of a web-based food-frequency questionnaire for adolescents aged 13-14 to be used in the Norwegian Mother and Child Cohort S…

2014

VDP::Medisinske fag: 700::Helsefag: 800::Helsetjeneste- og helseadministrasjonsforskning: 806VDP::Midical sciences: 700::Health sciences: 800::Health service and health administration research: 806
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