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Raeda El Sayed Ahmad
Department of Nutrition and Food Sciences, Faculty of Agriculture and Food Sciences, American University of Beirut, P.O. Box 11-0236, Riad El Solh, Beirut 11072020, Lebanon

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Short Biography

Raeda El Sayed Ahmad earned her Master's degree in Nutrition from the American University of Beirut (AUB) in 2019, and since then has been working as a research assistant in the AUB. Raeda is a Licensed dietitian who worked for four years as a therapeutic dietitian in Lebanese hospitals and has been managing her private dietetics clinic in Lebanon since 2010. Since she has recently joined the research field, she is the first author in only one paper and a co-author in another paper; both published in peer reviewed journals.

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Journal article
Published: 29 October 2020 in Nutrients
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This study aims to assess the validity and reproducibility of a culture-specific semi-quantitative food frequency questionnaire (FFQ) for Lebanese adults. The 94-item FFQ captures intake of traditional Mediterranean dishes and Western food, reflective of current Lebanese nutrition transition. Among 107 participants (18–65 years), the FFQ was administered at baseline (FFQ-1) and one year thereafter (FFQ-2); 2–3 24-h recalls (24-HRs)/season were collected for a total of 8–12 over four seasons. A subset (n = 67) provided a fasting blood sample in the fall. Spearman-correlation coefficients, Bland–Altman plots, joint-classification and (ICC) were calculated. Mean intakes from FFQ-2 were higher than from the total 24-HRs. Correlations for diet from FFQ-2 and 24-HRs ranged from 0.17 for α-carotene to 0.65 for energy. Joint classification in the same/adjacent quartile ranged from 74.8% to 95%. FFQ-2-plasma carotenoid correlations ranged from 0.18 for lutein/zeaxanthin to 0.59 for β-carotene. Intra-class correlations for FFQ-1 and FFQ-2 ranged from 0.36 for β-cryptoxanthin to 0.85 for energy. 24-HRs carotenoid intake varied by season; combining season-specific 24-HRs proximal to biospecimen collection to the FFQ-2 improved diet-biochemical correlations. By applying dietary data from two tools with biomarkers taking into consideration seasonal variation, we report a valid, reproducible Lebanese FFQ for use in diet-disease research.

ACS Style

Raeda El Sayed Ahmad; Mariam Baroudi; Hibeh Shatila; Lara Nasreddine; Fatima Chokor; Rana Chehab; Michel Forman; Farah Naja. Validity and Reproducibility of a Culture-Specific Food Frequency Questionnaire in Lebanon. Nutrients 2020, 12, 3316 .

AMA Style

Raeda El Sayed Ahmad, Mariam Baroudi, Hibeh Shatila, Lara Nasreddine, Fatima Chokor, Rana Chehab, Michel Forman, Farah Naja. Validity and Reproducibility of a Culture-Specific Food Frequency Questionnaire in Lebanon. Nutrients. 2020; 12 (11):3316.

Chicago/Turabian Style

Raeda El Sayed Ahmad; Mariam Baroudi; Hibeh Shatila; Lara Nasreddine; Fatima Chokor; Rana Chehab; Michel Forman; Farah Naja. 2020. "Validity and Reproducibility of a Culture-Specific Food Frequency Questionnaire in Lebanon." Nutrients 12, no. 11: 3316.