|
Attribute
|
Willing to participatea, numberb (percentage)
|
OR (95% CI)
|
P value
|
|---|
|
Autonomy
|
|
Low
|
635 (79)
|
1.00
|
0.13
|
|
High
|
617 (77)
|
0.81 (0.61, 1.06)
|
|
Burden
|
|
Low
|
641 (80)
|
1.00
|
0.06
|
|
High
|
611 (76)
|
0.70 (0.48, 1.01)
|
|
Consent
|
|
Opt-in
|
336 (84)
|
1.00
|
<0.001
|
|
Opt-out
|
333 (82)
|
0.88 (0.49, 1.57)
|
|
Notification-only
|
323 (81)
|
0.68 (0.38, 1.23)
|
|
No-notification
|
260 (66)
|
0.19 (0.10, 0.34)
|
-
aWillingness to participate was defined as the “definitely willing” or “probably willing” categories combined
-
bDenominators differ for each attribute because of the 1600 total randomized controlled trial scenarios answered (200 patients × 8 scenarios), each level of burden and autonomy was included in 50% of the scenarios (N = 800), whereas the four levels of consent were each included in 25% of the scenarios (N = 400)
