Table 1.
Attributes and levels for the treatment-choice questions
| Attribute | Levels |
|---|---|
| Number of years until MS symptoms get worse | 4 years |
| 2 years | |
| 1 year | |
| Number of relapses in the next 4 years | 1 relapse |
| 3 relapses | |
| 4 relapses | |
| Injection time | 3 s |
| 10 s | |
| Frequency of injections | 1 time each month (monthly) |
| 2 times each month (biweekly) | |
| 4 times each month (weekly) | |
| 12 times each month (3 times each week) | |
| 30 times each month (daily) | |
| Flu-like symptoms | No flu-like symptoms after any injections |
| Symptoms for 1 day after some injections | |
| Symptoms for 3 days after some injections | |
| Symptoms for 3 days after every injection | |
| Injection-site reactions | No reaction |
| Mild |
MS multiple sclerosis