Assessing Dietary Intake of Selected Food Components Using Short Questionnaires

The aim of the study is to validate short questionnaires for assessing dietary intake of selected food components, with a focus on dietary fibre and iron. Two internationally developed short questionnaires (FiberScreen \[for dietary fibre\] and IRONQ-FFQ \[for iron\]) were adapted to the Slovenian context and will be compared with the standard 24-hour dietary recall method.

NCT Number	NCT07442305
Lead Sponsor	Institute of Nutrition, Slovenia (Nutris)
Conditions	Nutritional Status, Iron-deficiency, Diet
Enrollment	50 participants
Start Date	2026-03-01
Primary Completion	2026-08-31 (estimated)
Study Completion	2027-12-31 (estimated)
Updated on ClinicalTrials.gov	2026-03-02