Table 1. Attributes and Levels.

Attributes	Levels
Route of administration	Pills
	Injection
	Infusion
Onset of action	2 weeks
	6 weeks
	12 weeks
Bothersome side effects	0%
	10%
	30%
Serious infection	1%
	3%
	5%
Very rare side effects	Stomach or intestinal tear (0.2%)
	Neurologic disease like multiple sclerosis (0.05%)
	Permanent eye problems (0.3%)
	Life threatening brain infection (0.005%)
Amount of information available	A lot (on the market for 27 years)
	Some (on the market for 10 years
	A little (on the market for 3 years)
Cost	Easy to afford
	Somewhat affordable
	Hard to afford