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Table 4 Responsiveness by self-reported change in health status

From: The construct validity and responsiveness of the EQ-5D, SF-6D and Diabetes Health Profile-18 in type 2 diabetes

  % at floor % at ceiling Mean (sd) change SRM
  T0 T1 T0 T1   
EQ-5D       
Overall 0 0 23.3 23.2 −0.01 (0.23) −0.04
Health improvement 0 0 27.6 31.0 0.04 (0.22) 0.18
No change 0 0 28.7 28.6 −0.01 (0.20) −0.05
Health deterioration 0 0 6.2 2.8 −0.07 (0.29) −0.24
SF-6D       
Overall 0 0 2.9 1.8 −0.01 (0.11) −0.09
Health improvement 0 0 4.3 2.8 0.03 (0.12) 0.25
No change 0 0 3.5 2.3 −0.01 (0.10) −0.10
Health deterioration 0 0 0.4 1.2 −0.03 (0.11) −0.27
DHP-18 (PD)       
Overall 0.2 0.4 29.0 28.5 −0.28 (14.66) −0.02
Health improvement 0 0 27.0 26.4 −1.91 (14.87) −0.13
No change 0 0.3 33.3 32.5 −0.36 (13.62) −0.03
Health deterioration 0.8 1.2 19.3 18.0 0.86 (16.08) 0.05
DHP-18 (BA)       
Overall 0.3 0.2 13.7 13.4 0.52 (13.95) 0.04
Health improvement 0 0 15.2 15.4 −2.74 (13.96) −0.20
No change 0 0.1 15.7 15.1 0.46 (12.59) 0.04
Health deterioration 0 0.4 7.4 7.6 2.83 (17.01) 0.17
DHP-18 (DE)       
Overall 1.3 1.0 5.3 6.2 −0.48 (16.25) −0.03
Health improvement 0.5 0 5.5 6.6 −4.25 (18.57) −0.23
No change 1.3 0.7 5.2 6.4 −0.10 (15.33) −0.01
Health deterioration 1.9 2.8 5.4 4.4 1.08 (16.71) 0.06