1. Colorectal cancer patients in a tertiary referral hospital who had first degree relatives in the screening range were enrolled into the study.
2. CRC patients and their FDRs were randomized after enrollment into written advice and verbal advice arms
3. CRC patients were asked to give the documents or verbal advice to FDR within 2 wks.
4. A telephone check was done to see if CRC patients had given or sent the advice their FDR.
5. FDR were telephoned to see if they received the document and assessed their knowledge of FDR risk, screening methods, previous screening and other knowledge about CRC.
6. FDRs were given information over the telephone about CRC risk and screening and then asked whether they wanted to have screening or not.
