[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100626951":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":40,"centralContacts":45,"locations":10,"responsibleParty":53,"collaborators":10,"id":55,"slug":56,"hasResults":57,"nctId":58,"briefTitle":59,"officialTitle":60,"acronym":61,"eligibilityCriteria":62,"healthyVolunteers":63,"sex":64,"minAge":65,"maxAge":66,"enrollmentInfo":67,"targetDuration":10,"studyType":70,"phases":10,"briefSummary":71,"conditions":72,"keywords":76,"overallStatus":83,"whyStopped":10,"lastUpdateSubmitDate":84,"lastUpdatePostDateStruct":85,"startDateStruct":88,"completionDateStruct":90,"leadSponsor":92,"locationsCount":10},{"fullName":5,"class":6},"Institute of Nutrition, Slovenia (Nutris)","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Study sample",null,"Adults (18-65 years)",[13,14,15,16,17],"Diagnostic Test: 5d-PD: Nutritional intakes using 24-h food recalls","Diagnostic Test: KV-PV: Dietary fibre intake","Diagnostic Test: KV-Fe: Iron intake","Diagnostic Test: Screening questionnaire","Diagnostic Test: Blood biomarkets",[19,24,28,32,36],{"type":20,"name":21,"description":22,"armGroupLabels":23,"otherNames":10},"DIAGNOSTIC_TEST","5d-PD: Nutritional intakes using 24-h food recalls","Assessment of food intake (5x 24-h dietary recalls) and estimation of nutritional intakes",[9],{"type":20,"name":25,"description":26,"armGroupLabels":27,"otherNames":10},"KV-PV: Dietary fibre intake","Dietary fibe intake assessed using KV-PV (Short questionnaire for the assessment of dietary fibre intake)",[9],{"type":20,"name":29,"description":30,"armGroupLabels":31,"otherNames":10},"KV-Fe: Iron intake","Iron intake using KV-Fe (Short questionnaire for the assessment of iron intake)",[9],{"type":20,"name":33,"description":34,"armGroupLabels":35,"otherNames":10},"Screening questionnaire","Screening questionnaire: assessment of socio-demographic parameters, use of food supplements, health status, dietary habits",[9],{"type":20,"name":37,"description":38,"armGroupLabels":39,"otherNames":10},"Blood biomarkets","Subjects we be provided with option for laboratory assessment of iron status (ferritin, serum iron, and hemoglobin) and a basic lipid profile (total cholesterol, HDL cholesterol, LDL cholesterol, and triglycerides).",[9],[41],{"name":42,"affiliation":43,"role":44},"Igor Pravst, PhD","Institute of Nutrition, Ljubljana, Slovenia","STUDY_CHAIR",[46,51],{"name":47,"role":48,"phone":49,"phoneExt":10,"email":50},"Maša Hribar, PhD","CONTACT","+386 590 68870","masa.hribar@nutris.org",{"name":52,"role":48,"phone":10,"phoneExt":10,"email":10},"Liza Mohoric",{"type":54,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100626951","assessing-dietary-intake-of-selected-food-components-using-short-questionnaires-100626951",false,"NCT07442305","Assessing Dietary Intake of Selected Food Components Using Short Questionnaires","Validation of Short Questionnaires for Assessing Dietary Intake of Selected Food Components","NutriPlant\u002FFFQ","Inclusion criteria:\n\n* Willingness to participate in the study.\n* Signed Statement of Informed and Voluntary Consent to Participate in the Study.\n* Age between 18 and 65 years at the time of enrolment in the study.\n* Willingness to comply with all study procedures and to keep a dietary record in accordance with the provided instructions.\n\nExclusion criteria:\n\n* Pregnancy or breastfeeding.\n* Specific dietary practices followed by a small proportion of the population (veganism, LCHF, calorie-restricted diets; note: vegetarians are not excluded).\n* Diets prescribed by medical professionals.\n* Mental incapacity that prevents adequate understanding or participation.\n\nReasons for excluding a participant during the study:\n\n* Inability to participate in the study\n* Wishes to discontinue participation\n* Incomplete data provided",true,"ALL","18 Years","65 Years",{"count":68,"type":69},50,"ESTIMATED","OBSERVATIONAL","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.",[73,74,75],"Nutritional Status","Iron-deficiency","Diet",[77,78,79,80,81,82],"dietary intake","nutritional status","micronutrients","iron","ffq","food recall","NOT_YET_RECRUITING","2026-02-27",{"date":86,"type":87},"2026-03-02","ACTUAL",{"date":89,"type":69},"2026-03-01",{"date":91,"type":69},"2027-12-31",{"name":5,"class":6}]