Women's Health Food Frequency Questionnaire

Completed

• Conditions: Diet Habit
• Interventions: Other: Questionnaire

• Registration Number: NCT05843942
• Lead Sponsor: Hacettepe University

Brief Summary

The aim of this study is to develop a tool that can measure the iron, folate, and vitamin B12 content of a diet through a literature review, database search, and a pilot study using a food consumption record. This tool will be used to accurately evaluate the iron, folate, and vitamin B12 content of the diet in non-pregnant women of reproductive age who are not currently pregnant. The research will be conducted on 350 women between the ages of 18 and 50 who are of reproductive age (menstruating). A questionnaire will be administered to the volunteer participants, which will consist of sections on general information, dietary habits, frequency of food consumption, and a 24-hour dietary recall.

Detailed Description

The study is planned in three stages. In the first stage, a three-day food consumption record will be taken from 50 non-pregnant (menstruating) women of reproductive age in order to determine the foods to be included in the food consumption frequency section, and the questionnaire sections and questions (nutrition habits and food consumption frequency questionnaire) will be designed. In the second stage of the study, the questionnaire developed in the first stage will be applied to 350 non-pregnant (menstruating) volunteer women of reproductive age through face-to-face interviews. In this stage, the blood parameters of at least 100 individuals whose blood counts have already been taken for routine tests and treatments and who meet the inclusion criteria of the study will also be recorded from their patient files. In the third stage, the questionnaire will be applied again to 75 individuals who have completed the second stage at least 2 weeks later in order to evaluate the reliability of the questionnaire.

Study Timeline

• Study Start: 2023-01-05
• Study First Submitted: 2023-04-25
• Study First Submitted QC: 2023-04-25
• Study First Posted: 2023-05-06
• Primary Completion: 2023-12-30
• Study Completion: 2024-03-30
• Status Verified: 2024-05
• Last Update Submitted: 2024-05-03
• Last Update Posted: 2024-05-06

Recruitment & Eligibility

• Status: COMPLETED
• Sex: Female
• Target Recruitment: 450

Inclusion Criteria

• Female sex
• Between the ages of 19-50
• Of reproductive age
• Not pregnant
• Menstruating
• Not having a disease that affects nutrition
• Not following a special diet (weight loss diet, etc.)

Exclusion Criteria

• Male sex
• Under 19 or over 50 years of age
• Having a disease that affects nutrition
• Following a special diet (gluten-free diet, etc.)
• Making changes in diet for the purpose of weight loss
• Of reproductive age but not menstruating

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
Non-pregnant women of reproductive age	Questionnaire	In the first stage, a three-day food consumption record will be taken from 50 non-pregnant (menstruating) women of reproductive age in order to determine the foods to be included in the food consumption frequency section, and the questionnaire sections and questions (nutrition habits and food consumption frequency questionnaire) will be designed. In the second stage of the study, the questionnaire developed in the first stage will be applied to 350 non-pregnant (menstruating) volunteer women of reproductive age through face-to-face interviews. A 24-hour recall food consumption record will be taken. In this stage, the blood parameters of at least 100 individuals whose blood counts have already been taken for routine tests and treatments and who meet the inclusion criteria. In the third stage, the questionnaire will be applied again to 75 individuals who have completed the second stage at least 2 weeks later in order to evaluate the reliability of the questionnaire results.

Primary Outcome Measures

Name	Time	Method
Folate intake	12 months	Dietary folate intake levels collected from both food frequency questionnaire and 24-hour recall food records
Vitamin B12 intake	12 months	Dietary vitamin B12 intake levels collected from both food frequency questionnaire and 24-hour recall food records
Iron intake	12 months	Dietary iron intake levels collected from both food frequency questionnaire and 24-hour recall food records

Trial Locations

Locations (2)

Hacettepe University Family Medicine Department Student Health Center; 🇹🇷 Ankara, Turkey

Hacettepe University Nutrition and Dietetics Department; 🇹🇷 Ankara, Turkey