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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