Informed Consent for Cancer Screening With Prostate-Specific Antigen: How Well Are Men Getting the Message?
Evelyn C. Y. Chan, MD,
Sally W. Vernon, PhD,
Frederick T. ODonnell, MS,
Chul Ahn, PhD,
Anthony Greisinger, PhD and
Donnie W. Aga, MD
Evelyn C. Y. Chan, Frederick T. ODonnell, and Chul Ahn are with the Division of General Internal Medicine, University of TexasHouston Medical School. Sally W. Vernon is with the Center for Health Promotion and Prevention Research, University of TexasHouston School of Public Health. Anthony Greisinger is with the Kelsey Research Foundation, Houston. Donnie W. Aga is with the Kelsey-Seybold Clinic, Houston.
Correspondence: Requests for reprints should be sent to Evelyn C. Y. Chan, MD, Division of General Internal Medicine, The University of TexasHouston Medical School, 6431 Fannin St, 1.122 MSB, Houston, TX 77030 (e-mail evelyn.c.chan{at}uth.tmc.edu).
Objectives. This study examined knowledge about prostate-specificantigen (PSA) screening among African Americans and Whites.Because PSA screening for prostate cancer is controversial,professional organizations recommend informed consent for screening.
Methods. Men (n = 304) attending outpatient clinics were surveyedfor their knowledge about and experience with screening.
Results. Most men did not know the key facts about screeningwith PSA. African Americans appeared less knowledgeable thanWhites, but these differences were mediated by differences ineducational level and experience with prostate cancer screening.
Conclusions. Public health efforts to improve informed consentfor prostate cancer screening should focus on highlighting thekey facts and developing different approaches for men at differentlevels of formal education and prior experience with screening.
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