The relative validity and reproducibility of an iron food frequency questionnaire for identifying iron-related dietary patterns in young women
Beck, Kathryn L × Kruger, Rozanne Conlon, Cathryn A Heath, Anne-Louise M Coad, Jane Matthys, Christophe Jones, Beatrix Stonehouse, Welma #
Journal of the Academy of Nutrition and Dietetics vol:112 issue:8 pages:1177-1187
Using food frequency data to identify dietary patterns is a newly emerging approach to assessing the relationship between dietary intake and iron status. Food frequency questionnaires should be assessed for validity and reproducibility before use.