Table 1.

Attributes and levels included in the discrete choice experiment questions

Attribute	Attribute description	Attribute levels
Effectiveness	Percentage reduction of the number of painful inflammatory lesions on your skin	25% 50% 75% 100%
Pain reduction	Reduction of pain (on a scale ranging from 0 to 10)	Small pain relief (1 point) Moderate pain relief (3 points) Almost complete pain relief (6 points)
Duration of treatment benefit	The duration in which the treatment provides the proposed effectiveness and pain relief	6 months 12 months 24 months
Risk of mild side effect	Annual risk of experiencing a mild side effect while taking the treatment	100 people out of 1000 (10%) 300 people out of 1000 (30%) 500 people out of 1000 (50%)
Risk of serious infection	Annual risk of experiencing a serious infection while taking the treatment	1 person out of 1000 (0.1%) 10 people out of 1000 (1%) 30 people out of 1000 (3%)
Mode of administration	How the treatment is provided to you	Oral tablet, once every day Subcutaneous injection, once every 2 weeks at home or in a clinic Intravenous injection, once every 4 weeks in a clinic or hospital setting