. 2014 Mar 5;2014:425787. doi: 10.1155/2014/425787

Table 1.

Randomized controlled trials using patient reminders as interventional strategy.

Author (yr)	Aim	Intervention	Participants (n)	Participation, n (%)	Follow-up (months)
Church et al. (2004) [17]	Any screening test after intervention	Group 1: mailed FOBT and educational brochure	1255	13.2*	12
		Group 2: same as Group 1 and phone call reminder		14.1
		Group 3: just mailed FOBT		7.8

Segnan et al. (2005) [18]	Screening FS or FOBT after intervention	Group 1: mailed invitation to biennial FOBT, FOBT, instructions, educational leaflet, 2 reminder letters	26682	30	24
		Group 2: biennial FOBT delivered by the PCP or screening facility		28
		Group 3: same as Group 1 and invitation to choose between FOBT and once only FS		27
		Group 4: same as Group 1 and mailed invitation to FS		28
		Group 5: same as Group 1 and invitation to FS followed by biennial FOBT		28

Denberg et al. (2006) [19]	Screening colonoscopy after intervention	Group 1: mailed educational brochure with reminder after primary care visit	781	70.7*	4
Denberg et al. (2006) [19]	Screening colonoscopy after intervention	Group 2: usual care	781	59	4

Myers et al. (2007) [20]	FOBT screening after intervention	Group 1: mailed letter, information booklet, FOBT, reminder letter	1546	46*	24
		Group 2: same as Group 1 and tailored message pages		44
		Group 3: same as Group 2 and reminder phone call		48
		Group 4: usual care		33

Chan and Vernon (2008) [21]	FOBT screening after intervention	Group 1 (home e-mail access): e-mailed reminders, FOBT, last screening results, and link for additional information	97	26	18
		Group 2 (home e-mail access): usual care		23
		Group 3 (public library access): same as Group 1		0
		Group 4 (public library access): same as Group 2		33

Sequist et al. (2009) [22]	Any screening test after intervention	Group 1: educational pamphlet, mailed FOBT with a stamped return envelope, telephone number to schedule colonoscopy or flexible sigmoidoscopy, and mailed reminder	21860	44*	15
Sequist et al. (2009) [22]	Any screening test after intervention	Group 2: usual care	21860	38.1	15

Lee et al. (2009) [23]	FOBT screening after intervention	Group 1: mailed educational reminder and FOBT	775	64.4*	6
Lee et al. (2009) [23]	FOBT screening after intervention	Group 2: usual care	775	48.4	6

Sequist et al. (2011) [24]	Any screening test after intervention	Group 1: electronic reminders, educational information, and link for additional information	1103	15.8	4
Sequist et al. (2011) [24]	Any screening test after intervention	Group 2: usual care	1103	13.1	4

Cameron et al. (2011) [25]	Any screening test after intervention	Group 1: reminder letter, educational brochure, educational digital video disc, and phone call reminder	628	18.2*	6
Cameron et al. (2011) [25]	Any screening test after intervention	Group 2: usual care	628	12.1	6

Coronado et al. (2011) [26]	Screening FOBT after intervention	Group 1: usual care	501	2*	9
		Group 2: mailed FOBT and instructions		26
		Group 3: same as Group 2, phone call reminder and home visit by trained community members addressing strategies for CRC screening and definition of CRC		31

Doorenbos et al. (2011) [27]	Any screening test after intervention	Group 1: reminders and e-mailed calendar with messages of CRC screening	5633	4.1	15
Doorenbos et al. (2011) [27]	Any screening test after intervention	Group 2: calendar without any messages	5633	4.4	15

Leffler et al. (2011) [28]	Screening colonoscopy after intervention	Group 1: automated reminder system (3 reminders)	830	33.5*	6
Leffler et al. (2011) [28]	Screening colonoscopy after intervention	Group 2: usual care	830	17.8	6

*Intervention groups increased CRC screening rates compared with the usual care.