Table 2.

Attributes and attributes level.

Attribute	Attribute description	Levels
Mild side effects	Number of incidences per 10,000 citizens	10, 20, 100, 200
Major side effects	Number of incidences per 10,000 citizens	1, 2, 10, 20
Vaccination effectiveness	The percentage of individuals given the vaccine who become immune to the virus	84%, 89%, 94%, 99%
Mode of administration	How the vaccine is administered	Oral, Injection
Location	Where the vaccine is administered	Doctor’s office, Hospital, Pharmacy
When available	How long (in months) until the vaccine becomes available	0, 2, 4, 6, 8, 10, 12, 14
Cost	The out of pocket expense to the respondent	$0, $20, $40, $60, $80, $100, $120, $140