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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