Authors
Melissa R Partin, Joseph Grill, Siamak Noorbaloochi, Adam A Powell, Diana J Burgess, Sally W Vernon, Krysten Halek, Joan M Griffin, Michelle Van Ryn, Deborah A Fisher
Publication date
2008/4/1
Journal
Cancer Epidemiology Biomarkers & Prevention
Volume
17
Issue
4
Pages
768-776
Publisher
American Association for Cancer Research
Description
Objective: The aim of the study was to validate self-reported colorectal cancer (CRC) screening using the National Cancer Institute Colorectal Cancer Screening questionnaire.
Materials and Methods: 890 patients, ages 50 to 75 years, from the Minneapolis Veterans Affairs (VA) Medical Center were surveyed by mail. Phone administration was attempted with mail nonresponders. VA and non-VA records were combined for the reference standard. Sensitivity, specificity, concordance, and report-to-records ratio (R2R) were estimated for overall and test-specific CRC adherence among respondents providing complete medical records. Secondary analyses examined variation in estimates by patient characteristics, treatment of missing and uncertain responses, and whether a strict or liberal time interval was used for assessing concordance.
Results: Complete medical records were available for 345 of the …
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Scholar articles
MR Partin, J Grill, S Noorbaloochi, AA Powell… - Cancer Epidemiology Biomarkers & Prevention, 2008