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Table 3 Test-retest reliability as assessed by Kendall’s tau-a scores

From: Testing the feasibility of eliciting preferences for health states from adolescents using direct methods

  Kendall’s tau-a
Visual analogue scale (n = 79)
 Health State A 0.20
 Health State B 0.40
 Health State C 0.29
 Health State D 0.30
Time trade-off (n = 68)
 Using Health State B 0.38
 Using Health State C 0.22
 Using Health State D 0.22
Standard gamble (n = 83)
 Using Health State B 0.37
 Using Health State C 0.25