Validity and reliability of a semi-quantitative food frequency questionnaire for assessing dietary vitamin D and calcium intakes in Iranian childbearing age women

Validity and reliability of a semi-quantitative food frequency questionnaire for assessing dietary vitamin D and calcium intakes in Iranian childbearing age women

This study aimed to examine the validity and reliability of a semi-quantitative food frequency questionnaire (FFQ) designed to estimate dietary vitamin D and Calcium (Ca) intakes in a sample of Iranian childbearing age women. An 87-item FFQ was developed and 84 healthy childbearing age women complet...

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Bibliographic Details
Main Authors: Amir Hossein Moridpour, Maryam Rafraf, Parvin Sarbakhsh, Somayyeh Asghari, Roghayeh Molani-Gol, Mohammad Asghari-Jafarabadi
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-10-01
Series:Frontiers in Nutrition
Subjects:
validity
reliability
food frequency questionnaire
vitamin D
calcium
Online Access:https://www.frontiersin.org/articles/10.3389/fnut.2022.1028265/full

Internet

https://www.frontiersin.org/articles/10.3389/fnut.2022.1028265/full

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