Likelihood of Attending Bowel Screening after a Negative Genetic Test Result: The Possible Influence of Health Professionals

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Abstract
This study was undertaken to determine the extent to which the reported likelihood of attending future bowel screening following negative genetic testing results for familial adenomatous polyposis (FAP) varies between the type of health professional providing care and the country of testing. The study subjects were 103 unaffected adults at risk for FAP who received negative results following predictive DNA testing. Our study indicates that the reported likelihood of attending bowel screening was higher in those given results by non-genetics physicians, rather than by genetics professionals; the reported likelihood of attending bowel screening under these circumstances was also higher in the UK than in Australia. Both of these results were affected by the perceived chances of developing FAP, and, in the case of the country of testing, by the perceived accuracy of the genetic test result and the perceived seriousness of the disease. How and what health professionals communicate with patients about genetic testing may explain the differences between type of health professional and country of testing and attitudes toward bowel screening. If this is the case, training in communication may change patients' perceptions and, in turn, their behavioral intentions and actions following a negative test result.