Reliability of a Food Frequency Questionnaire in the Assessment of Dietary Intake Including FODMAPs in Different Populations, and Relationship With IBS Symptoms and the Degree of Self-assessed Physical Activity
Recruiting
Observational Study
Irritable Bowel Syndrome
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Age
- 18 – 65
- Sex
- Any
- Study type
- Observational
- Participants needed
- 400 (estimated)
- Sponsor
- Universitair Ziekenhuis Brussel · Other
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About This Trial
During an online assessment participants will fill in questionnaires evaluating demographic data, psychological variables, the degree of self-assessed physical activity and symptoms of irritable bowel. Dietary intake will be assessed by a newly developed food frequency questionnaire (FFQ) and a 4 days food diary. In order to validate the FFQ in different populations, participants will be recruited…
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* 18 - 65 years;
* Provide written informed consent;
* Living in Belgium
Exclusion Criteria:
* Diet \< 8 weeks prior to participation;
* Known or suspected eating disorder;
* Major psychiatric disorder;
* Known gastro-intestinal disease (IBS is allowed);
* Any malignancy in th…
Contacts