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Table 7 Convergent validity of EQ-5D index scores using UK, US, and Japan preference weights

From: A comparison of EQ-5D index scores using the UK, US, and Japan preference weights in a Thai sample with type 2 diabetes

Variables UK US Japan
Age (year) -0.15a -0.02 -0.04
Gender (0 = male, 1 female) -0.25** -0.25** -0.25**
Income (Baht/month) 0.17** 0.17** 0.19**
Duration of diabetes (year) -0.14* -0.15* -0.14*
Body mass index (Kg/m2) -0.15** -0.15** -0.19**
HbA1c level (%) -0.17** -0.17** -0.20**
Number of diabetic complications -0.40** 0.40** -0.43**
CES-D scores† -0.49** -0.49** -0.50**
VAS scores§ 0.46** 0.46** 0.48**
  1. a The number in cells is Spearman's rho correlation coefficients between sociodemographic, clinical, and health status variables.
  2. †Higher scores indicate more depressive symptoms.
  3. §Higher scores indicate better health.
  4. * p < 0.05, **p < 0.01