Table 3.

Preferred form related to having previously undergone a colonoscopy.

Preference	Study 1, n (%); 95% CI for %		Study 2, n (%); 95% CI for %
	Previous colonoscopy (N=116)	No previous colonoscopy (N=56)	Previous colonoscopy (N=133)	No previous colonoscopy (N=73)
Prefer revised	68 (58.6); 49-68	42 (75); 62-86	69 (51.9); 43-61	34 (46); 35-59
Prefer current	38 (32.8); 24-42	10 (18); 9-30	39 (29.3); 22-38	26 (36); 25-48
Not sure	9 (7.8); 4-14	4 (7); 2-17	25 (18.8); 13-27	14 (19); 11-30