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Variance components analysis and intraclass correlation coefficients of country and panel agreements with three valuation methods. |
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| Visual analogue scale (15 disease stages) |
Visual analogue scale (9 disease stages) |
Time trade-off (9 disease stages) |
Person trade-off (9 disease stages) |
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| Random-effects |
Proportion of total variance |
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| 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: |
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| - 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** |
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| 0.72 (0.65–0.77) |
0.72 (0.70–0.74) |
0.72 (0.69–0.75) |
0.56 (0.52–0.62) |
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| Intraclass correlation coefficient of panel agreement** |
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| 0.73 (0.67–0.79) |
0.73 (0.71–0.75) |
0.74 (0.72–0.77) |
0.64 (0.58–0.68) |
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* 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 | ||||
Schwarzinger et al. Population Health Metrics 2003 1:9 doi:10.1186/1478-7954-1-9 |
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