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Table 4 Regression coefficients for the best model: two-part with OLS

From: Estimating EQ-5D utilities based on the Short-Form Long Term Conditions Questionnaire (LTCQ-8)

  

EQ 5D-5L utilities

EQ 5D-3L utilities using crosswalk

 

Part 1- Logit

Part 2- OLS

Part 2- OLS

Reference category in brackets

Odds Ratio (se)

b (se)

b (se)

LTCQ4. Control of daily life (Never)

 Rarely

1.240 (2.0123)

0.167 (0.030)*

0.220 (0.034)*

 Sometimes

−0.448 (2.091)

0.174 (0.030)*

0.233 (0.034)*

 Often

−0.045 (1.866)

0.209 (0.034)*

0.273 (0.039)*

 Always

1.145 (1.831)

0.235 (0.037)*

0.286 (0.042)*

LTCQ7. Safe at home (Never)

 Rarely

−31.701 (3435.388)

0.017 (0.060)

0.027 (0.068)

 Sometimes

−31.103 (3295.443)

−0.016 (0.056)

− 0.017 (0.064)

 Often

−16.537 (1488.793)

−0.031 (0.056)

− 0.033 (0.064)

 Always

−17.518 (1488.793)

0.014 (0.056)

−0.010 (0.064)

LTCQ8. Safe outside home (Never)

 Rarely

−0.674 (2939.661)

0.013 (0.031)

0.010 (0.035)

 Sometimes

14.568 (1488.792)

0.191 (0.023)

0.075 (0.034)*

 Often

13.895 (1488.792)

0.225 (0.028)*

0.109 (0.038)*

 Always

15.067 (1488.792)

0.235 (0.029)*

0.166 (0.039)*

LTCQ10. Dependant (Always)

 Often

−0.738 (0.842)

0.138 (0.021)*

0.162 (0.024)*

 Sometimes

−0.483 (0.611)

0.191 (0.023)*

0.221 (0.026)*

 Rarely

0.070 (0.616)

0.225 (0.028)*

0.258 (0.032)*

 Never

0.263 (0.587)

0.235 (0.029)*

0.268 (0.033)*

LTCQ11. Lonely (Always)

 Often

0.015 (1.017)

−0.028 (0.028)

−0.016 (0.031)

 Sometimes

−1.439 (0.920)

−0.035 (0.028)

−0.030 (0.032)

 Rarely

−0.915 (0.814)

−0.015 (0.032)

− 0.006 (0.036)

 Never

−0.410 (0.700)

− 0.024 (0.031)

− 0.016 (0.036)

LTCQ12. Stigma (Always)

 Often

−26.818 (2169.424)

−0.017 (0.032)

−0.002 (0.036)

 Sometimes

−0.516 (1.373)

− 0.033 (0.031)

− 0.009 (0.035)

 Rarely

−0.737 (1.366)

0.006 (0.033)

0.020 (0.037)

 Never

−0.845 (1.337)

−0.034 (0.033)

− 0.020 (0.038)

LTCQ15. Unhappy (Always)

 Often

16.502 (2105.194)

0.084 (0.025)*

0.084 (0.028)*

 Sometimes

17.163 (2105.194)

0.149 (0.027)*

0.138 (0.031)*

 Rarely

18.324 (2105.194)

0.155 (0.032)*

0.121 (0.037)*

 Never

18.952 (2105.194)

0.152 (0.033)*

0.140 (0.039)*

LTCQ19. Confident (Never)

 Rarely

−15.296 (3063.957)

0.020 (0.038)

0.014 (0.043)

 Sometimes

−1.553 (1.622)

0.018 (0.035)

0.034 (0.040)

 Often

−0.167 (1.169)

0.034 (0.038)

0.062 (0.043)

 Always

0.315 (1.082)

0.070 (0.039)

0.120 (0.044)*

Constant

−16.994 (2105.193)

0.061 (0.058)

−0.130 (0.066)*

n

1001

896

896

  1. SE standard error
  2. * p-value< 0.005