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Table 3 Logit model coefficients

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

Attribute Level Model framework
Logit coefficients Confidence interval (95%)
Severity of the disease (reference = moderate) Severe disease 0.005 −0.309-0.318
Improvement in health (reference = large) Moderate −0.425 − 0.949-0.098
Small −0.369 − 0.925-0.186
Very small −0.070 −0.353-0.213
Waiting times (reference = short) Moderate −0.102 −0.383-0.18
Long 0.020 −0.256-0.296
Availability of other treatment (reference = yes) No −0.008 −0.303-0.286
Side effects (reference = few) Moderate −0.079 −0.37-0.213
Many −0.002 −0.286-0.282
Value for money (reference = very good) Fairly good −0.285 −0.753-0.182
Fairly poor −0.042 0–0
Very poor −0.301 −0.629-0.028
Beginning of life (refeence = yes) No 0.158 −0.085-0.401
Cost of treatment (measured by tax increase / copayments)
(reference = none)
Low 0.396 −0.13-0.922
Moderate 0.361 −0.09-0.811
High 0.112 −0.241-0.465
  1. None of this coefficient was statistically significant