KLK3 and Familial prostate cancer: Participants’ knowledge regarding aspects of prostate cancer such as whether African American men are more likely to develop prostate cancer, what does the prostate do, what is prostate cancer, as well as the meaning of a high prostate-specific antigen (PSA) test was higher at the end of the program (i.e., post responses) compared with responses midway through the program (Table 4).