Research Article

Patient Preferences for Nonvitamin K Antagonist Oral Anticoagulants in Stroke Prevention: A Multicountry Discrete Choice Experiment

Table 3

Results of the conditional logit model.

AttributeLevelsFull model (fixed effect)
Coefficient value95% CIMarginal distance, km [95% CI]

Frequency of administrationOnce daily0.795<0.001[0.738–0.853]15.4 [14.3–16.5]
Twice daily (reference)
Size of tablet/capsuleTablet 6–9 mm0.400<0.001[0.343–0.456]7.7 [6.6–8.8]
Capsule∼20 mm (reference)0
Meal-related intakeIntake independent of food0.198<0.001[0.142–0.254]3.8 [2.7–4.9]
Intake with food required (reference)0
Distance to treating physician1 km0.465<0.001[0.408–0.522]n/a
10 km (ref.)0

The marginal estimate of the distance that an average patient is willing to travel to the treating physician in order to obtain the specified attribute level compared with the reference level.