Browsing Human Nutrition by Subject "24-h food recall"
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Agreement level of vitamin D intake between food frequency questionnaire and 24-h food recall in young Qatari women
( Emerald , 2022 , Article)Purpose – Prevalence of vitamin D insufficiency among young Qatari women is ∼85%. The purpose of the study was to develop a food frequency questionnaire (FFQ) and to assess the degree of agreement between food vitamin D ...