Osteoarthritis Clinical Trial
Official title:
Evaluation of DVD and Internet Decision Aids for Hip and Knee Osteoarthritis: Focus on Health Literacy
Verified date | March 2015 |
Source | Duke University |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Institutional Review Board |
Study type | Interventional |
The purpose of this study is to advance the evidence base regarding methods for facilitating informed decisions among patients with knee and hip osteoarthritis by comparing DVD and online formats of decision aids for these conditions. The project will assess how these different formats impact key outcomes including: patient knowledge about treatment options, decisional conflict, preparation for decision making, decision self-efficacy, stage of decision making, and acceptability and usability of the decision aids.
Status | Completed |
Enrollment | 155 |
Est. completion date | January 2014 |
Est. primary completion date | October 2013 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Clinician diagnosis of knee/hip OA, based on radiographic evidence in Duke medical records. - Moderate or worse current joint symptoms, assessed at telephone screening using standard items. Exclusion Criteria: - Diagnosis of rheumatoid arthritis, fibromyalgia, or other systemic rheumatic disease. - Active diagnosis of psychosis or dementia, or other cognitive impairment. - Severe hearing or visual impairment that would prohibit effective use of the DAs. - Planning, scheduled for or on a wait list for joint replacement surgery. - Had a prior hip or knee joint replacement surgery. - Inability to read English, since the DAs are in English. - Current participation in another OA interventional study. |
Allocation: Randomized, Intervention Model: Factorial Assignment, Masking: Open Label, Primary Purpose: Health Services Research
Country | Name | City | State |
---|---|---|---|
United States | Duke University | Durham | North Carolina |
Lead Sponsor | Collaborator |
---|---|
Duke University | Foundation for Informed Medical Decision Making |
United States,
Allen, K.D., Sanders, L. Olsen, M., Bowlby, L., Katz, J.N., Mather, R.C., Powers, B., Sperber, N., Voils, C.I., Williams, J.W. Effectiveness of Internet and DVD Decision Aids for Patients with Hip and Knee Osteoarthritis. April 2014 World Congress on Oste
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in the Facts about Osteoarthritis section of the Decision Quality Instrument - Knee Osteoarthritis (DQI-KOA; © Massachusetts General Hospital, 2010 46) at Baseline to post. | Knowledge is a key outcome in this study because it is fundamental to informed decision making process 45. We will use the "Facts about Osteoarthritis" section of the Decision Quality Instrument - Knee Osteoarthritis (DQI-KOA; © Massachusetts General Hospital, 2010 46), which includes 8 items that assess knowledge about the knee OA and its treatment options (behavioral, pharmacological, and surgical). Although this instrument was developed for knee OA, the items are also appropriate for hip OA, and it will be used for both groups. | Baseline and 1 hour | No |
Primary | Change in Decisional Conflict Scale at Baseline to post. | We will use the Low Literacy version of this scale, which includes 10 items with 3 response categories (yes, no, unsure), across four subscales: Informed (do patients know the different options, benefits, and risks?), Values Clarity (are patients clear about which benefits and risk matter most to them?), Support (do patients have support and advice to make a choice?), and Uncertainty (are patients clear or sure about what to choose?). | Baseline and 1 hour | No |
Primary | Change in Decision Self-Efficacy Scale a Baseline to post. | This is an 11-item scale that measures patients' confidence in completing various tasks related to the decision-making processes, such as getting facts about risks and benefits, asking questions, and expressing concerns. All items are measured on a scale of 0 (not confident at all) to 4 (very confident). | Baseline and 1 hour | No |
Primary | Change in the Facts about Osteoarthritis section of the Decision Quality Instrument - Knee Osteoarthritis (DQI-KOA; © Massachusetts General Hospital, 2010 46) at 30 days. | Baseline and 30 days | No | |
Primary | Change in Decisional Conflict Scale at 30 days post. | Baseline and 30 days | No | |
Secondary | Measurement of the Acceptability and Usability Scale post viewing of the DAs. | We will adapt a 10-item scale to assess the acceptability of this OA DAs. This tool assesses patients' opinions of general aspects of the DA (e.g., amount of information, length), as well as specific topical areas of the DA. In addition, for participants who are randomized to view the internet-based DA, we will use the Perceived Health Website Usability Questionnaire. This questionnaire includes items that assess the ease of finding information, ease of reading, appearance, and ease of learning from the website. | Up to 1 hour | No |
Secondary | Semi-Structured Interviews | We will use semi-structured interviews to assess patients' perceptions and opinions of the DAs. Specific questions will be developed by the study team, covering the following topical areas: What participants liked about the DA, how well it answered questions they had about treatment options, any additional information to inform their decision-making, other suggestions for improving the DA, likelihood of using the DA to obtain information about treatment options, and how beneficial they think it would be to talk with a nurse / health educator about this information after viewing the DA. | Up to 1 hour | No |
Secondary | Time spent viewing different parts of the internet-based DA | Installation of Spector Pro software onto the laptop computer on which participants will view the DA to capture information about participants' viewing of the DA. Descriptive data will be generated. Main variables we plan to evaluate are: 1.) The proportion of patients who view each page of the website. 2.) The mean or median number of minutes patients spent on each page. 3.) The proportion of patients who view video(s) within the DA. We will also compare these variables according to patient characteristics and changes in study outcomes. | Up to 1 hour | No |
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