Development and validation of a knowledge, attitudes and practices questionnaire in the dietary management of irritable bowel syndrome.

ABSTRACT:

Objective

To develop and validate a questionnaire assessing knowledge, attitudes and practices in the dietary management of IBS.

Subjects/methods

An initial pool of 151 questions was generated addressing three domains (knowledge, attitudes, practices). Academic/senior clinical dietitians (n = 5) provided written feedback and a focus group (n = 4 gastroenterology dietitians) was undertaken to evaluate content and face validity of the question-items. Items considered irrelevant were removed and the refined questionnaire was administered to dietitians with different levels of IBS experience (n = 154) for further psychometric testing. Item reduction analysis was assessed by item difficulty index, discrimination index and point-biserial correlation. Construct validity was assesse

SUBMITTER: Belogianni K 

PROVIDER: S-EPMC10473958 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature