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Table 1 Discrete choice experiment attributes and levels

From: Using a stated preference discrete choice experiment to assess societal value from the perspective of patients with rare diseases in Italy

Attribute Levels
Disease Severity Moderate
Severe
Health Improvement Large
Moderate
Small
Very small
Waiting times Short
Moderate
Long
Availability of other treatments Yes
No
Side effects Few
Moderate
Many
Value for money Very good
Fairly good
Fairly poor
Very poor
Beginning of life Yes
No
Treatment Cost Zero
Low
Moderate
High
  1. Source: a full explanation of attributes and levels are provided on Lopez-Bastida, et al. (2018) [7]