Review Article

Public Awareness of Colorectal Cancer Screening: Knowledge, Attitudes, and Interventions for Increasing Screening Uptake

Table 4

Randomized controlled trials using group education as interventional strategy.

AuthorAimInterventionParticipants,
( )
Participation,
(%)
Follow-up
(month)

Powe et al. (2004) [59] FOBT screening after interventionCitizen centers12
Group 1: educational video, calendar, and poster brochure flier13461*
Group 2: educational video46
Group 3: usual care15

Campbell et al. (2004) [35] FOBT screening test after interventionGroup 1: tailored print and video intervention (educational newsletters and targeted videotapes about beliefs, barriers, knowledge, and motivation)58737*12
Group 2: Lay Health Advisor intervention (enhanced support for healthy eating, physical activity, and CRC screening)33
Group 3: combined Group 1 and Group 231
Group 4: usual care22

Braun et al. (2005) [60] FOBT screening after interventionGroup 1: CRC information given by native physician and a native CRC survivor who told his own experience121336
Group 2: CRC information given by a nonnative nurse and brochure40

Blumenthal et al. (2010) [57] CRC screening after interventionGroup 1: introductory meetings and written information (CRC screening information and National Cancer Institute pamphlet) 25717.76
Group 2: same as Group 1 and 3 sessions (45 minutes) with a health educator (one to one)22.2
Group 3: same as Group 3 but in Groups of 4–14 participants (group education)25.4
Group 4: same as Group 1, and financial support covering (covering screening, transportation and other nonmedical expenses) 33.9*†

Maxwell et al. (2010) [61] FOBT screening after interventionGroup 1: small group educational session on CRC screening by a trained health professional, print take home material + free FOBT 54730*6
Group 2: same as Group 1 but no free FOBT 25
Group 3: usual care9

Morgan et al. (2010) [62] Colonoscopy uptake and knowledge after interventionGroup 1: long educational program on CRC (90-minute culturally targeted educational program including educational material, brochure, video, incentives, and phone calls reminders)539 25.5*3
Group 2: abbreviated educational intervention 4.4

Statistically significant ( ).
Statistically significant Group 4 versus Group 1.