Assessment of vitamin D intake among Libyan women – adaptation and validation of specific food frequency questionnaire

Fathia FaidFaculty of Biology, University of Belgrade, Belgrade, Serbia;Center of Research Excellence in Nutrition and Metabolism, Institute for Medical Research (IMR), University of Belgrade, Belgrade, SerbiaView further author information

Marina NikolicCenter of Research Excellence in Nutrition and Metabolism, Institute for Medical Research (IMR), University of Belgrade, Belgrade, SerbiaView further author information

Jelena MilesevicCenter of Research Excellence in Nutrition and Metabolism, Institute for Medical Research (IMR), University of Belgrade, Belgrade, SerbiaCorrespondence[email protected]

http://orcid.org/0000-0002-6995-158X View further author information

Milica ZekovicCenter of Research Excellence in Nutrition and Metabolism, Institute for Medical Research (IMR), University of Belgrade, Belgrade, SerbiaView further author information

Agnes KadvanCapacity Development Network in Nutrition in Central and Eastern Europe, CAPNUTRA, Belgrade, SerbiaView further author information

Mirjana GurinovicCenter of Research Excellence in Nutrition and Metabolism, Institute for Medical Research (IMR), University of Belgrade, Belgrade, SerbiaView further author information

Marija GlibeticCenter of Research Excellence in Nutrition and Metabolism, Institute for Medical Research (IMR), University of Belgrade, Belgrade, SerbiaView further author information

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Assessment of vitamin D intake among Libyan women – adaptation and validation of specific food frequency questionnaire

Table 1. Anthropometric measurements of study participants (n = 316).

Table 2. Daily energy and nutrient intake assessed by the average of the repeated 24 HDR and LW-FFQ with correlations between the estimates by applying questionnaires among Libyan women.

Table 3. Cross-classification of vitamin D intake into quartiles by LW -FFQ and validation methods (24 HDR and status).

Table 4. Estimated vitamin D status (25(OH)D nmol/L) and vitamin D intake estimated by 24 HDR by quartile of vitamin D intake estimated by LW-FFQ among Libyan women (n = 40).

Table 5. Daily intake of food groups and their contribution to total Vitamin D intake among Libyan women (n = 316).

Table 6. Major vitamin D food sources assessed by 24 h recall.

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Assessment of vitamin D intake among Libyan women – adaptation and validation of specific food frequency questionnaire

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Table 1. Anthropometric measurements of study participants (n = 316).

Table 2. Daily energy and nutrient intake assessed by the average of the repeated 24 HDR and LW-FFQ with correlations between the estimates by applying questionnaires among Libyan women.

Table 3. Cross-classification of vitamin D intake into quartiles by LW -FFQ and validation methods (24 HDR and status).

Table 4. Estimated vitamin D status (25(OH)D nmol/L) and vitamin D intake estimated by 24 HDR by quartile of vitamin D intake estimated by LW-FFQ among Libyan women (n = 40).

Table 5. Daily intake of food groups and their contribution to total Vitamin D intake among Libyan women (n = 316).

Table 6. Major vitamin D food sources assessed by 24 h recall.

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