Consequences of screening in colorectal cancer (COS-CRC): development and dimensionality of a questionnaire.

ABSTRACT:

Background

Harms of colorectal cancer (CRC) screening include psychosocial consequences. We have not identified studies using a participant-relevant questionnaire with adequate measurement properties to investigate these harms. However, Brodersen et al. have previously developed a core questionnaire consequences of screening (COS) for use in screening for life-threatening diseases. Therefore, the objectives were: (1) To investigate content validity of COS in a CRC screening setting and in case of gaps in content coverage (2) generate new items and themes and (3) test the possibly extended version of COS for dimensionality and differential item functioning (DIF) using Rasch Models.

Methods

We performed two-part-focus-groups with CRC screenees. Screenees were recruited by stra

SUBMITTER: Malmqvist J 

PROVIDER: S-EPMC7792180 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature