Visual Representations of Risk Enhance Long-Term Retention of Risk Information: A Randomized Trial

Bradley A. Arrick, Katarzyna J. Bloch, Laura Stein Colello, Steven Woloshin and Lisa M. Schwartz
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Bradley A. Arrick: Dartmouth-Hitchcock Medical Center and Norris Cotton Cancer Center, Lebanon, NH
Katarzyna J. Bloch: Dartmouth-Hitchcock Medical Center and Norris Cotton Cancer Center, Lebanon, NH
Laura Stein Colello: Dartmouth-Hitchcock Medical Center and Norris Cotton Cancer Center, Lebanon, NH
Steven Woloshin: Center for Medicine and the Media, Dartmouth Institute for Health Policy and Clinical Practice, Lebanon, NH
Lisa M. Schwartz: Center for Medicine and the Media, Dartmouth Institute for Health Policy and Clinical Practice, Lebanon, NH

Medical Decision Making, 2019, vol. 39, issue 2, 100-107

Abstract: Background . People often overestimate their risk of developing cancer, which can cause undue worry and unwarranted risk-reducing actions. Standard counseling has a limited and short-lived effect on correcting these misperceptions. We conducted a randomized study to evaluate whether incorporation of visual depictions of risk improves the efficacy and durability of cancer risk counseling. Methods . Sixty-six individuals seen in the Familial Cancer Program were randomized to receive standard counseling or counseling supplemented with 2 interactive visual representations of their 10-year risk of developing the cancer type of greatest concern (enhanced counseling). The primary outcome was accuracy of self-perceived risk (ratio of perceived to objective risk) 2 weeks and 6 months after counseling. Results . Prior to counseling, 80% of participants overestimated their risk. Improvement in self-perception of risk was greater among those individuals randomized to receive enhanced counseling. At the 2-week follow-up, the percentage of participants who continued to overestimate their risk by 5-fold or more was 3 to 4 times lower in those who received enhanced counseling, compared to the standard counseling group. At the 6-month follow-up, sustained improvement in risk perception was most evident among those exposed to visual depictions of their risk. Statistical significance was achieved in chi-square analysis at P

Keywords: cancer risk; counseling; risk perception (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:sae:medema:v:39:y:2019:i:2:p:100-107

DOI: 10.1177/0272989X18819493

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