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Table 6 Mean observed and predicted time trade-off scores for 38 health states, for internal samples (N = 12,663 values) and external samples (N = 6,357) in Zimbabwe compared to observed values in the United Kingdom [8].

From: How do Zimbabweans value health states?

 

Internal sample

External sample

UK Sample

Health State

Observed mean

Observed mean

Predicted mean*

Absolute difference

Observed

11111

0.94

0.93

0.90

0.03

 

11112

0.87

0.90

0.85

0.05

0.834

11113

0.73

0.75

0.72

0.02

0.392

11121

0.85

0.83

0.83

0.00

0.850

11122

0.70

0.70

0.78

0.08

0.722

11131

0.56

0.59

0.60

0.00

0.200

11133

0.52

0.45

0.42

0.03

-0.049

11211

0.84

0.84

0.85

0.02

0.869

11312

0.67

0.69

0.72

0.03

0.552

12111

0.81

0.82

0.81

0.02

0.834

12121

0.69

0.67

0.74

0.06

0.742

12211

0.65

0.64

0.76

0.12

0.767

12222

0.58

0.59

0.65

0.06

0.552

12223

0.50

0.48

0.52

0.04

0.216

13212

0.63

0.58

0.58

0.00

0.389

13311

0.55

0.54

0.53

0.01

0.346

13332

0.28

0.28

0.18

0.10

-0.228

21222

0.62

0.60

0.69

0.09

0.553

21232

0.41

0.44

0.45

0.01

0.064

21312

0.61

0.62

0.66

0.04

0.536

22112

0.69

0.68

0.70

0.02

0.662

22121

0.65

0.69

0.68

0.01

0.645

22122

0.62

0.60

0.64

0.04

0.540

22222

0.56

0.59

0.59

0.01

0.500

22233

0.25

0.30

0.23

0.07

-0.142

22323

0.43

0.42

0.37

0.05

0.042

22331

0.33

0.33

0.32

0.02

-0.011

23232

0.28

0.27

0.22

0.05

-0.084

23321

0.37

0.39

0.41

0.02

0.147

32223

0.30

0.34

0.32

0.02

-0.174

32232

0.21

0.21

0.21

0.00

-0.223

32313

0.40

0.43

0.29

0.14

-0.152

32331

0.27

0.27

0.16

0.11

-0.276

33212

0.37

0.37

0.37

0.00

-0.022

33232

0.23

0.19

0.07

0.12

-0.332

33321

0.29

0.34

0.26

0.08

-0.120

33323

0.18

0.16

0.09

0.07

-0.386

33333

-0.24

-0.24

-0.15

0.09

-0.543

MAE†

0.049

  

0.045

0.039

  1. *Based on estimates †MAE=Mean absolute difference between observed and predicted means