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Open Access Research article

The development of a web- and a print-based decision aid for prostate cancer screening

Caroline S Dorfman1, Randi M Williams1, Elisabeth C Kassan1, Sara N Red1, David L Dawson1, William Tuong1, Elizabeth R Parker1, Janet Ohene-Frempong2, Kimberly M Davis1, Alexander H Krist3, Steven H Woolf3, Marc D Schwartz1, Mary B Fishman4, Carmella Cole5 and Kathryn L Taylor1*

Author Affiliations

1 Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, 3300 Whitehaven Street, NW Suite 4100, Washington, DC 20007-2401, USA

2 The Clear Language Group, 7907 Roneale Drive, Elkins Park, PA 19012-1115, USA

3 Department of Family Medicine, Virginia Commonwealth University, PO Box 980251 Richmond VA 23298-0251, USA

4 Division of General Internal Medicine, Georgetown University Hospital, 3800 Reservoir Rd NW, Washington, DC 20007, USA

5 Division of General Internal Medicine, Washington Hospital Center, 110 Irving Street, NW, Washington, DC 20010, USA

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BMC Medical Informatics and Decision Making 2010, 10:12  doi:10.1186/1472-6947-10-12

Published: 3 March 2010

Abstract

Background

Whether early detection and treatment of prostate cancer (PCa) will reduce disease-related mortality remains uncertain. As a result, tools are needed to facilitate informed decision making. While there have been several decision aids (DAs) developed and tested, very few have included an exercise to help men clarify their values and preferences about PCa screening. Further, only one DA has utilized an interactive web-based format, which allows for an expansion and customization of the material. We describe the development of two DAs, a booklet and an interactive website, each with a values clarification component and designed for use in diverse settings.

Methods

We conducted two feasibility studies to assess men's (45-70 years) Internet access and their willingness to use a web- vs. a print-based tool. The booklet was adapted from two previous versions evaluated in randomized controlled trials (RCTs) and the website was created to closely match the content of the revised booklet. Usability testing was conducted to obtain feedback regarding draft versions of the materials. The tools were also reviewed by a plain language expert and the interdisciplinary research team. Feedback on the content and presentation led to iterative modifications of the tools.

Results

The feasibility studies confirmed that the Internet was a viable medium, as the majority of men used a computer, had access to the Internet, and Internet use increased over time. Feedback from the usability testing on the length, presentation, and content of the materials was incorporated into the final versions of the booklet and website. Both the feasibility studies and the usability testing highlighted the need to address men's informed decision making regarding screening.

Conclusions

Informed decision making for PCa screening is crucial at present and may be important for some time, particularly if a definitive recommendation either for or against screening does not emerge from ongoing prostate cancer screening trials. We have detailed our efforts at developing print- and web-based DAs to assist men in determining how to best meet their PCa screening preferences. Following completion of our ongoing RCT designed to test these materials, our goal will be to develop a dissemination project for the more effective tool.

Trial Registration

NCT00623090