Irritable Bowel Syndrome
Conditions
Keywords
Nutrition, Irritable Bowel Syndrome, Quality of Life
Brief summary
This study is a cross-sectional observational study design that aimed to include 2000 IBS patients. We used several validated questionnaires, to assess IBS characteristics (such as subtype, severity), psychological features (QoL, anxiety and depression) and assess nutritional triggers. Subjects filled in the questionnaire online, and was spread across the Netherlands.
Interventions
OTHERNo intervention
No intervention
Sponsors
Netherlands: Ministry of Health, Welfare and Sports
Ingredia S.A.
Nexira
Naturex
Bioiberica
Wecare
Roquette Freres
Darling
Winclove Probiotics B.V.
Wageningen University
Study design
Observational model
CASE_ONLY
Time perspective
CROSS_SECTIONAL
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Inclusion criteria
* IBS-like symptoms
Exclusion criteria
* younger than 18 years
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| IBS subtype | 1 day (once ) | Assessed using the Validated Bristol stool chart |
| IBS severity | 1 day (once ) | Assessed by the validated Symptom severity scale (IBS-SSS), rangeing from 0 - 500; 0 very low and 500 very severe case |
| Nutrition questionnaire | 1 day (once ) | We composed a questionnaire containing 44 identified nutritional triggers from literature, and asked subjects if they had (0, no complaints), 1 little complaints, 2 severe complaints, after eating that product. |
| Birmingham symptom questionnaire | 1 day (once ) | Validated questionnaire that assesses symptoms for three domains: pain, diarrhoea and constipation |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Irritable bowel syndrome Quality of Life questionnaire | 1 day (once ) | We used the validated IBS-QOL which asked 44 questions about quality of life related to IBS. Score ranged from 0 - 100: 100 indicating a very high quality of life, 0 indicating a very poor quality of life |
| Hospital Anxiety and Depression Score (HADS) | 1 day (once ) | We used the validated HADS questionnaire to assess anxiety and depression in IBS patients. This questionnaire gives 2 scores: one for anxiety and depression. Scores range from 0-21, a score above 8 can be referred to as being a case for having anxiety or depression |
| treatment options currently used | 1 day (once ) | We self-composed a questionnaire to assess what type of treatments patients already used, and what their perceived effect was. |
| Rome IV criteria | 1 day (once ) | Validated questions to check whether a subject fits within the profile of IBS |
Countries
Netherlands
Outcome results
None listed