This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator.
The aim of this K23 application is to help the candidate achieve the broad career goal of becoming an independent clinical investigator with primary emphasis on ethnic group disparities in health care services for rheumatic disease. The research plan includes 4 studies of ethnic disparities in patient preferences for total joint replacement (TJR) for knee osteoarthritis (OA). These studies test several hypotheses derived from prospect theory concerning effects of message framing on patients' TJR outcome expectations and willingness to undergo TJR, if recommended by their physician. Study 1 examines ethnic group differences in outcome expectations and willingness to undergo TJR in a population-based sample of persons with knee or hip OA. Next, two pilot studies will be performed to aid the development and initial evaluation of a prospect theory-based, educational intervention that includes gain- or loss-framed messages regarding TJR outcomes. Study 4 tests effects of a video-based intervention on patients with knee OA from UAB Rheumatology Clinic. Patients will report their outcome expectations and willingness to undergo TJR prior to and after the intervention. For Study 4, it is hypothesized that loss-framed messages, relative to gain-framed messages will evoke significantly more positive changes in TJR outcome expectations and willingness to undergo TJR among patients with initial negative outcome expectations.
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