Measuring Diet Intake and Gastrointestinal Symptoms in Irritable Bowel Syndrome: Validation of the Food and Symptom Times Diary.

ABSTRACT:

Introduction

Patients with irritable bowel syndrome (IBS) identify food as a trigger for the onset or worsening of gastrointestinal symptoms. Despite this, there is no published validated contemporaneous food and symptom diary to investigate the association between diet and IBS symptoms. The objective of this prospective observational study was to assess the construct validity of a novel food diary and symptom questionnaire, the Food and Symptom Times (FAST) diary, and the predictive validity of the food diary component with relation to fiber and fermentable oligosaccharides, disaccharides, monosaccharides, and polyols consumption and subsequent gastrointestinal symptoms.

Methods

Fifty-one participants with IBS completed the FAST diary and several legacy instruments. The rel

SUBMITTER: Wright-McNaughton M 

PROVIDER: S-EPMC6970560 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature