There were 3 FAQs associated with a preference shift from “having the PSA test” to “not having the PSA test,” namely, FAQ1, “What does the test involve?” (P=.002); FAQ 3, “If my PSA level is high, what are the chances that I have prostate cancer?” (P=.01); and FAQ 7, “What are the risks?” (P=.01; Table 2). Here, KLK3 is linked to prostate carcinoma.