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Cancer Epidemiol. 2009 Oct;33(3-4):216-22. doi: 10.1016/j.canep.2009.08.003. Epub 2009 Sep 10.

Impact of an educational video-based strategy on the behavior process associated with colorectal cancer screening: a randomized controlled study.

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  • 1Gastroenterology Department, University Hospital of the Canary Islands Canaries, La Laguna, Tenerife, Spain.

Abstract

BACKGROUND:

Low public awareness is an important barrier for colorectal cancer screening participation.

AIM:

To evaluate the impact of educational intervention on the health behavior process, patient knowledge and compliance with colorectal cancer screening in the average-risk population.

METHODS:

158 subjects (aged 50-79 years) were randomly assigned either to watch a non-medical video or a colorectal cancer educational video. Before and after watching the experimental or control videotape, participants completed a five-item questionnaire that assessed their knowledge about risk factors for colorectal cancer, age of risk, warning symptoms, 5-year prognosis, and incidence. Subjective risk perception for developing colorectal cancer, barriers or benefits of screening, and intention to be screened were also investigated. Finally, subjects received a faecal occult blood test kit and were requested to use and return it within 2 weeks.

RESULTS:

Participants in the video-based intervention group showed significant improvement in knowledge of colorectal cancer scores (P<0.001) and decreased barrier scores. The intervention group returned significantly more faecal occult blood tests than controls (69.6% vs. 54.4%, P=0.035). The intervention had a positive effect on modifying attitudes and intention to take part in screening. Additionally, the intervention was a predictor of compliance (OR 2.0; 95% CI=1.02-3.84, P=0.044).

CONCLUSION:

Video-based intervention significantly reduced barriers to screening and improved participant awareness and compliance with colorectal cancer screening with faecal occult blood test.

PMID:
19747893
[PubMed - indexed for MEDLINE]
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