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  • Title: Patient education on prostate cancer screening and involvement in decision making.
    Author: Krist AH, Woolf SH, Johnson RE, Kerns JW.
    Journal: Ann Fam Med; 2007; 5(2):112-9. PubMed ID: 17389534.
    Abstract:
    PURPOSE: Many clinicians lack resources to engage patients in shared decision making for prostate cancer screening. We sought to evaluate whether previsit educational decision aids facilitate shared decision making. METHODS: This randomized controlled study compared a Web-based and a paper-based decision aid with no previsit education. Men aged 50 to 70 years undergoing a health maintenance examination at a large family practice were enrolled. The primary outcome was patient-reported level of control over the decision to be screened. Secondary outcomes included frequency of screening, patient knowledge, decisional conflict, and time spent discussing screening. RESULTS: A total of 497 men participated (75 control, 196 brochure, 226 Web site). Patients exposed to either aid were no more likely than control patients to report a collaborative decision: 36% of patients in each group reported equally sharing decision responsibility. Exposure to either decision aid increased patients' involvement in decision making compared with the control condition (Web site, P = .03; brochure, P = .03). Only 46% of control patients reported an active decision-making role, compared with 56% of Web site and 54% of brochure patients. Patients exposed to a decision aid answered a greater percentage of knowledge questions correctly (54% control vs 69% Web site, P <.001, and vs 69% brochure, P <.001) and were less likely to be screened (94% control vs 86% Web site, P = .06, and vs 85% brochure, P = .04). CONCLUSIONS: Patients in the decision aid groups were more informed and more engaged in the screening decision than their control counterparts. Exposure did not promote shared decision-making control, however. Whether shared decision making is the ideal model and how to measure its occurrence are subjects for further research.
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