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Table 2 Study participants: socio-demographic, cognitive and clinical characteristics (N = 126)

From: Launching a virtual decision lab: development and field-testing of a web-based patient decision support research platform

Characteristic n (%)
Socio-demographic  
Gender  
Female 76 (61%)
Male 49 (39%)
Age  
18–64 years-old 74 (59%)
65–85 years-old 52 (41%)
Race  
Caucasian 72 (58%)
African American 37 (30%)
Hispanic 14 (11%)
Other 2 (1%)
Highest education level  
Some high school 4 (3%)
Finished high school 18 (14%)
Some college 37 (30%)
Finished college 66 (53%)
Cognitive  
Decisional Conflict, 0 100, mean (SD) 31 (21)
Familiarity with the decision  
New diagnosis of osteoarthritis 8 (7%)
Have tried some nonsurgical therapies 42 (37%)
Have watched the decision aid video 4 (4%)
Have searched the Internet for information 98 (86%)
Have had a previous knee surgery 30 (26%)
Clinical  
WOMAC  
Pain, 05, mean (SD 3.6 (2.2)
Stiffness, 05, mean (SD) 4.0 (2.1)
Function, 05, mean (SD) 3.6 (2.0)
Total, 0100, mean (SD) 35.0 (19.0)
Treatment preference  
Prefers nonsurgical therapies 80 (64%)
Unsure/No preference 19 (15%)
Prefers surgical therapies 27 (21%)
  1. SD = Standard Deviation.