Lene Frost Andersen|Elling Bere|N Kolbjornsen|Klepp Ki
Validity and reproducibility of self-reported intake of fruit and vegetable among 6th graders
University of Oslo|University of Oslo|University of Oslo|University of Oslo
reproducible valid methods measuring fruit vegetable consumption among young school children urgently needed aim study test reproducibility validity newly developed questionnaire intake fruit vegetable among norwegian 6th graders questionnaire consisted 24h recall part food frequency parta total 114 pupils completed questionnaire two times 14 days apart another 85 pupils completed questionnaire 7day food diariespupils 6th grade mean age 119 yspearman correlation coefficients frequency part questionnaire administered two times varied 062 fruit 083 potato difference seen average intakes two 24h recalls 24h recall part questionnaire gave higher estimates average intake fruit juice compared 7day record difference observed vegetable intake spearman correlation coefficients frequency part records varied 021 fruit potato 032 total intake fruit vegetableboth 24h recall frequency part gave consistent response separate occasions testretest study period 6th graders capable recording yesterdays intake vegetable overestimated intake fruit juice ability rank subjects based frequency part rather low