Colon cancer screening in high-risk population

Intervention 1: Intervention includes below:
•Tailored massages via phone counseling
•Interactive and in-person counseling about screening barriers
•Individualized motivational interview
•Consequent Follow-up reminder calls. Intervention 2: One parallel control group of usual care will be designed in this study. That is, counselees (index patients or FDRs) in control group will receive a simple doctor recommendation that screening is necessary should be done in FDRs, and that they better to inform their FDRs, as happened in routine care, the main source of recommendation is doctor’s recommendation. Usually index patients during their treatment are informed by doctors about the risk of developing cancer in their relatives and the significance of screening or early detection among their relatives.;Early detection;Early detection;Intervention includes below:
•Tailored massages via phone counseling
•Interactive and in-person counseling about screening barriers
•Individualized motivational interview
•Consequent Follow-up reminder calls;One parallel control group of usual care will be designed in this study. That is, counselees (index patients or FDRs) in control group will receive a simple doctor recommendation that screening is necessary should be done in FDRs, and that they better to inform their FDRs, as happened in routine care, the main source of recommendation is doctor’s recommendation. Usually index patients during their treatment are informed by doctors about the risk of developing cancer in their relatives and the significance of screening or early detection among their relatives.
Primary outcome(s): Screening Colonoscopy. Timepoint: 0, 6months follow-up. Method of measurement: Colonoscopy report verification.
Study Design: Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Screening.