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المؤلفZewein, Mentallah
المؤلفOthman, Haneen
المؤلفAbu Dhaa, Reem
المؤلفGanji, Vijay
تاريخ الإتاحة2020-10-26T08:49:56Z
تاريخ النشر2020
اسم المنشورQatar University Annual Research an Exhibition 2020 (quarfe)
الاقتباسzewein m., othman h., abudhaa r., Ganji v., "Validation of FFQ Against Food Records for Vitamin D in Qatar Population", Qatar University Annual Research Forum and Exhibition (QUARFE 2020), Doha, 2020, https://doi.org/10.29117/quarfe.2020.0206
معرّف المصادر الموحدhttps://doi.org/10.29117/quarfe.2020.0206
معرّف المصادر الموحدhttp://hdl.handle.net/10576/16789
الملخصBackground: The measurement of vitamin D nutritional status through dietary assessment is a cost effective method. Food frequency questionnaire (FFQ) is usually validated against food records (FR). There is no vitamin D specific FFQ for Qatar population Objective: The objective of this study was to develop a vitamin D centric FFQ and validate FFQ against 3-day FR for Qatar population. Methodology: A quantitative FFQ based on vitamin D containing foods consumed in Qatar was developed. Vitamin D content of foods were gathered from food labels and food composition tables from the USDA. A vitamin D content database was developed for this study purpose. Dietary intakes using FFQ and 3-day FR were collected from 62 participants. Vitamin D intakes from FFQ and 3-day FR were validated with quartile comparison and Bland-Altman (BA) tests. Results: BA plot showed an agreement between FFQ and 3-day FR vitamin D intakes. BA index was 3.23%, which is <5%, a commonly used standard for validation. Quartile correlation showed ≈73% of the subjects were within one quartile difference. Conclusion: An agreement was found between vitamin D intakes from FFQ and 3-day FR. This indicates that the FFQ can be used as a valid dietary method to assess vitamin D status in Qatar’s population.
اللغةen
الناشرQatar University Press
الموضوعFFQ
Food Records
Vitamin D
العنوانValidation of FFQ Against Food Records for Vitamin D in Qatar Population
النوعPoster
dc.accessType Open Access


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