Skip to main content

Table 6 Variance components analysis and intraclass correlation coefficients of country and panel agreements with three valuation methods.

From: Cross-national agreement on disability weights: the European Disability Weights Project

  Visual analogue scale (15 disease stages) Visual analogue scale (9 disease stages) Time trade-off
(9 disease stages)
Person trade-off
(9 disease stages)
Random-effects Proportion of total variance
Subject nested within panel* 4.3% 5.4% 9.8% 16.4%
Panel nested within country 0,0 0,0 0.7% 2.7%
Country 0.7% 0.1% 1.2% 3.9%
Disease 66.5% 65.4% 61.2% 36.7%
Disease effect crossed with:     
- panel nested within country 0.8% 1.3% 0.4% 0.3%
- country 1.9% 1.8% 1.8% 6.9%
Residual 25.8% 26.0% 24.9% 33.2%
  Intraclass correlation coefficient of country agreement**
  0.72 (0.65–0.77) 0.72 (0.70–0.74) 0.72 (0.69–0.75) 0.56 (0.52–0.62)
  Intraclass correlation coefficient of panel agreement**
  0.73 (0.67–0.79) 0.73 (0.71–0.75) 0.74 (0.72–0.77) 0.64 (0.58–0.68)
  1. * Two types of panel either with healthcare professionals or not ** 95% bootstrap confidence intervals estimated on 100 independent random samples dependend from country and panel type of the 232 individuals