Table 1 Attributes, Levels and descriptions included in the DCE

Administration form

An injection given every visit at the physician’s office

A tablet taken every day at home

Total number and duration of necessary visits to a physician

24 times for 45 min over 3 years

12 times for 15 min over 3 years

Frequency of a life-threatening anaphylactic shock

(An anaphylactic shock is a sudden, serious, life threatening allergic reaction)

1 in 10,000 patients

1 in 100,000 patients

Local side-effects

(Local side-effects occur in approximately half of the patients during the first months of treatment)

Rash or swelling

sited at the upper arm

Itching or swelling under the tongue

Sum of co-payments for the whole treatment

(Co-payments are paid at the pharmacy when picking up a prescription)

€60 over 3 years

€120 over 3 years