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Table 2 Study participants: socio-demographic, cognitive and clinical characteristics (N = 126)
| 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, 0–5, mean (SD | 3.6 (2.2) |
| Stiffness, 0–5, mean (SD) | 4.0 (2.1) |
| Function, 0–5, mean (SD) | 3.6 (2.0) |
| Total, 0–100, mean (SD) | 35.0 (19.0) |
| Treatment preference | |
| Prefers nonsurgical therapies | 80 (64%) |
| Unsure/No preference | 19 (15%) |
| Prefers surgical therapies | 27 (21%) |
