Table 3.
Sensitivity to Analytic Approach: Relative Contribution of Health-Related Quality of Life Domains to Patient Values (Time Trade-off)
Approach | PhysicalHealth | MentalHealth | SocialHealth |
---|---|---|---|
Based on standardizedβ values of individual items, % | 35 | 42 | 23 |
Using scales instead of items, % | 30 | 40 | 30 |
Using regular regression coefficients instead of standardized coefficients, % | 41 | 43 | 16 |
Relative variation explained | 33 | 41 | 26 |