Validation of a questionnaire to assess self-reported colorectal cancer screening status using face-to-face administration.

Digestive Diseases and Sciences
Deborah A FisherDawn Provenzale

Abstract

The aim of this study was to assess the accuracy of a National Cancer Institute (NCI)-developed colorectal cancer screening questionnaire. We conducted 36 cognitive interviews and made iterative changes to the questionnaire to improve comprehension. The revised questionnaire was administered face-to-face to 201 participants. The primary outcome was agreement between questionnaire responses and medical records for whether or not a participant was up-to-date for any colorectal cancer screening test. Comprehension of descriptions and questions was generally good; however, the barium enema description required several revisions. The sensitivity of the questionnaire for up-to-date screening status was 94%, specificity 63%, and concordance 88%. The modified questionnaire was highly sensitive for determining if a person was up-to-date for any colorectal cancer screening test, although the specificity was low. Given the difficulty of obtaining all relevant records, self-report using this questionnaire is a reasonable option for identifying people who have undergone testing.

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Citations

Oct 16, 2010·Journal for Healthcare Quality : Official Publication of the National Association for Healthcare Quality·Erik Van KleekSamuel B Ho
Sep 17, 2011·Digestive Diseases and Sciences·Millie D LongDeborah A Fisher
Apr 24, 2014·European Journal of Cancer Care·D Dodou, J C F de Winter
Jul 2, 2010·Gastrointestinal Endoscopy·Lena B PalmerDeborah A Fisher
Dec 20, 2011·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Dan ZhangJerzy Falandysz

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