Skip to main content

Table 1 Overview of sample restrictions

From: Assessment of health state utilities in dermatology: an experimental time trade-off value set for the dermatology life quality index

Survey completed by 2459
Excluded due to quota requirements − 458
Initial full sample 2001
Non-traders (handled separately) − 317
Initial sample (traders only) 1684
Excluded due to identical valuation on all five health states − 296
Excluded by combination of response time and response consistency criteria − 656
Excluded due to uninformative responses − 207
Final sample used for the regression analysis (traders only) 525
Non-traders (used for the adjustment of regression results)  + 317
Respondents whose valuations were taken into account in defining the value set 842