Veterans eligible for enrollment into the trial will be randomized in a 1:1 allocation using permuted block randomization (with random block sizes of 4 and 8) to the following interventions:
1. Active arm: Primer
1. Intervention Type: Other
2. Intervention Description: Mailed postcard notifying Veteran of upcoming FIT kit receipt for annual CRC screening
2. Control arm: No primer a. Intervention Type: No intervention
Randomization will be stratified within arms by prior screening status (prior screener vs. never screener)
Our primary outcome of interest is the return rate at three months post randomization. Our secondary outcome of interest is the return rate at six months post randomization. Enrollment in the trial will occur between May 1, 2021 and January 1, 2022.
