Table 1.

Attributes and Levels

Attribute	Screening levels	No screening levels
Nature of the test	No preparation time, requires taking a stool sample, no discomfort, no preparation time	No preparation time, no discomfort, no recovery time
	Half day preparation time, invasive test in a medical facility, mild-moderate discomfort, 1 h recovery time
	Full day preparation time, invasive test in a medical facility, mild-moderate discomfort, 24 h preparation time
Frequency of testing	Every year	Never
	Every 5 years
	Every 10 years
Chance of complications from screening over 10 years	6 in 1,000	0 in 1,000
	8 in 1,000
	10 in 1,000
Chance of needing a colonoscopy as a result of screening over 10 years	45 %	0 %
	60 %
	100 %
Ability to reduce mortality from CRC	Your risk of getting colon cancer is reduced from about 6 % to 3 % and your risk of dying from colon cancer is reduced from about 3 % to 1.5 %	Your risk of getting colon remains about 6 % and your risk of dying from colon cancer remains about 3 %