Statistical Analysis
WEST, RECRUITMENT
Baseline data are summarized as number (percentage), mean (SD), or median (IQR), as appropriate. Reasons for nonenrollment are summarized for veterans who were determined to be ineligible for the study or who were eligible but subsequently declined participation. Given that FIT and colonoscopy are the 2 CRC screening interventions under study in CONFIRM, we also explored associations between specific preferences for one of these tests over the other with recruitment region and year. Because these individuals declined participation, we had no information on their demographic or other characteristics. Descriptive statistics (ie, counts and percentages) were used to describe preference for FIT or colonoscopy across the region (Northeast, South, Midwest, or West) and calendar year (2012-2017) of recruitment, and the χ