Abstract
Prostate cancer is the most prevalent non-skin cancer among all men, but African-Americans have morbidity and mortality at significantly higher rates than White men. To reduce this burden, authorities such as the American Cancer Society recommend that men make informed/shared screening decisions with a healthcare provider. Informed/shared screening decisions require that men have adequate prostate cancer knowledge. Virtual assistants are interactive communication technologies that have become popular for seeking health information, though information quality has been mixed. No prior research has investigated the quality of prostate cancer information disseminated by virtual assistants. The purpose of this study was to determine the response rates, accuracy, breadth, and credibility of three popular virtual assistants (Alexa, Google Assistant, and Siri) for supporting informed/shared prostate cancer screening decisions for African-American men. Each virtual assistant was evaluated on a tablet, cell phone, and smart speaker using 12 frequently asked screening questions. Responses were rated dichotomously (i.e., yes/no), and analyses were conducted using SPSS. Alexa on a phone or tablet and Google Assistant on a smart speaker had the best overall performance based on a combination of response, accuracy, and credibility scores. All other assistants scored below 75% in one or more areas. Additionally, all virtual assistants lacked the breadth to support an informed/shared prostate cancer screening decision. African-American men may be especially disadvantaged by using virtual assistants for prostate cancer information because of the lack of emphasis on their greater disease risk, higher mortality rates, and appropriate ages at which they should begin screening conversations.
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