A blood test for improving participation in bowel cancer screening

INTERVENTION: The intervention is a screening program for CRC that includes the availability of a blood test for CRC. The intervention group are initially mailed an offer of screening for bowel cancer by FOBT. At 12 weeks from date of the FOBT‐screening offer, subjects who have not participated in FOBT‐screening are mailed a second invitation to screen for CRC using a blood test for CRC. Intervention group subjects contact the study Help‐Line to request a referral to a pathology service for a blood to be taken for the blood test. CONDITION: Colorectal cancer PRIMARY OUTCOME: Completion of a screening test for bowel cancer within a bowel cancer screening program. SECONDARY OUTCOME: Completion of a screening test for CRC after having recently declined a faecal occult blood test. INCLUSION CRITERIA: General Practice patients average risk for bowel cancer