|
Post-decision Aid Measures
|
Videobooklet Decision Aid used in Clinical Care
|
Web-based Decision Aid used for this Study
|
t statistic
|
|---|
| |
(N = 243)
|
(n = 126)
|
(df = 367)
|
|---|
| |
mean (SD)
|
mean (SD)
|
p value
|
|---|
|
Osteoarthritis Decision Quality Index’s Knowledge Subscale
0 - 100% correct
|
67% (10%)
|
75% (11%)
|
t = 4 p = <0.001
|
|
Preparation for Decision Making Scale
0 - 100
|
70 (26)
|
74 (30)
|
t = 1 p = 0.18
|
|
Decisional Conflict Scale
0 - 100
|
15 (14)
|
19 (15)
|
t = 2 p = 0.03
|
- Note: Videobooklet data gathered during routine clinical use over the two years prior to the study.
- SD = Standard Deviation.
- df = degrees of freedom.
