A Randomised Controlled Trial of a Bowel Cancer Screening Decision Aid for Adults With Low Education and Literacy
Several countries have recently implemented national bowel cancer screening programs. To
ensure equal access to screening, consumer information is needed to suit adults ranging in
literacy level. Decision aids (DAs) are tools which have been developed to assist patients
and consumers make informed health decisions and encourage active participation in health
care decisions. Their use in a wide range of clinical settings has increased dramatically.
However, most DAs are highly dependent upon high levels of literacy and numeracy, and few
have been developed for low literacy populations.
This primary aims of this study are to assess the impact of the decision aid on (1) the
proportion of adults who make an informed choice about bowel cancer screening (using faecal
occult blood test) and, (2) the level of involvement in screening decisions among adults
with lower levels of education and literacy.
There are three secondary aims of the study. First, to measure the effect of the decision
support tool on decisional conflict, decision satisfaction, anxiety, and bowel cancer worry.
Second, to identify participant's screening interest, intentions and behavior. Thirdly, we
will explore participant's reactions towards the information materials they receive and
whether the doctor influenced their screening decision.
Interventional
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Prevention
Informed choice
2 weeks post intervention
No
McCaffery J Kirsten, PhD
Principal Investigator
University of Sydney
Australia: Human Research Ethics Committee
HREC10403
NCT00765869
July 2008
February 2009
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