Table 1.

Patient characteristics (N = 1,230)

Patient characteristic	N	%
Age (mean, sd)	60.1 (6.9)
Male sex	597	48.5
Patient reported symptomsa	573	46.6
Patient reported gastrointestinal conditionsb	350	28.5
Patient reported positive FOBTc in the past 12 months	71	5.8
Endoscopist indication = screening	576	46.8
Patient indication 1d = screening	627	51.0
Patient indication 2e = screening	478	38.9

^a Symptoms include rectal bleeding, lower abdominal pain, unintentional weight loss, and change in bowel habits in the past 6 months, as well as anemia in the past 12 months.

^b Gastrointestinal conditions include colorectal cancer, colorectal polyps, inflammatory bowel disease, and previous bowel surgery.

^c Fecal occult blood test.

^d Patient indication 1 is non-screening when patient perceived reason for the colonoscopy was to follow up on a problem or a previous test, and is screening otherwise.

^e Patient indication 2 is non-screening when patient reports specific symptoms, personal history of gastrointestinal conditions, or recent positive FOBT, and is screening otherwise.