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Table 2 Internal structural validity, reliability, unidimensionality according to the cognitive status

From: Quantification of relevance of quality of life assessment for patients with cognitive impairment: the suitability indices

 

IIC1Min-Max

IDV2Min-Max

Floor %

Ceiling %

Alpha3

INFIT4

MS

LI 50

HI 49

Ref 1992

LI 50

HI 49

Ref 1992

LI 50

HI 49

Ref 1992

LI 50

HI 49

Ref 1992

LI 50

HI 49

Ref 1992

LI 50

HI 49

Ref 1992

ADL

0.48-0.69

0.19-0.78

0.66-0.81

-0.32-0.40

-0.15-0.39

0,02-0,49

29.50

35.73

1,3

8.25

5.88

4,6

0.86

0.84

0,92

0.66-1.76

0.47-2.15

0,86-1,2

PWB

0.55-0.82

0.52-0.76

0,67-0,76

-0.16-0.44

-0.06-0.60

0,09-0,41

7.50

13.25

2,4

17.00

14.78

4,6

0.88

0.81

0,85

0.79-1.30

0.68-1.20

0,81-1,13

RFr

0.74-0.83

0.78-0.84

0,69-0,78

-0.23-0.42

-0.17-0.29

0,04-0,36

2.67

5.43

2,4

18.00

14.97

13

0.89

0.89

0,75

0.70-1.13

0.71-1.17

0,84-1,15

SPT

0.41-0.58

0.42-0.60

0,48-0,65

-0.09-0.49

-0.18-0.41

0,06-0,41

5.50

16.35

0,7

23.00

15.30

10,3

0.69

0.72

0,80

0.72-1.15

0.85-1.14

0,75-1,17

RFa

0.58-0.61

0.63-0.65

0,62-0,68

-0.35-0.47

-0.18-0.39

0,04-0,38

3.00

2.00

0,8

44.67

35.40

25,7

0.76

0.77

0,86

0.96-1.05

0.92-1.08

0,88-1,07

RHCS

0.44-0.65

0.47-0.60

0,42-0,56

-0.18-0.34

-0.19-0.22

0,05-0,32

0.67

2.73

0,3

28.67

19.7

24,5

0.71

0.72

0,68

0.97-1.29

0.79-1.21

0,83-1,18

SSL

0.43

0.77

0,75-0,75

-0.13-0.48

-0.9-0.31

0,15-0,43

17.00

26.5

7,6

23.00

10.2

18,7

0.64

0.85

0,85

0.93-1.04

0.95-1.03

0,98-1

COP

0.29

0.61

0,66-0,66

-0.14-0.46

-0.17-0.39

0,12-0,45

11.00

16.3

5,8

29.00

19.35

21,1

0.43

0.75

0,80

0.99

0.94-0.97

0,97-1

REJ

0.77

0.76

0,60-0,60

-0.14-0.37

-0.17-0.55

0,13-0,41

3.00

11.2

1,5

37.00

44.9

32,9

0.87

0.88

0,74

1.00-1.01

0.91-0.97

0,95-1,04

SCZ

LI 40

HI 67

Ref 507

LI 40

HI 67

Ref 507

LI 40

HI 67

Ref 507

LI 40

HI 67

Ref 507

LI 40

HI 67

Ref 507

LI 40

HI 67

Ref 507

PsW

0,53 -0,63

0,4 -0,47

0.80-0.81

-0,15 -0,67

0,03 -0,44

0.13-0.46

0

3,3

13.9

27

18

35.1

0,76

0,63

0.73

0,89 -1,17

0,98 -1,08

0.91-1.05

SE

0,74 -0,74

0,68 -0,68

0.89-0.90

0,09 -0,77

0,09 -0,54

0.17-0.55

10,8

0

12.3

10,8

24,6

22.2

0,85

0,81

0.74

0,98 -1,01

0,97 -0,99

0.98-0.99

RFa

0,79 -0,79

0,77 -0,77

0.91-0.92

-0,28 -0,28

-0,07 -0,25

0.06-0.27

5,4

14,8

12.8

16,2

9,8

24.2

0,88

0,87

0.81

0,89 -0,9

0,97 -0,98

0.96-1.02

RFr

0,67 -0,67

0,68 -0,68

0.88-0.89

-0,03 -0,35

0,04 -0,53

0.16-0.34

8,1

16,4

21.3

2,7

13,1

12.8

0,8

0,81

0.73

0,92 -1,02

0,97 -1

0.98-1.00

Re

0,59 -0,76

0,47 -0,64

0.80-0.83

-0,01 -0,59

0,12 -0,51

0.03-0.49

0

0

10.5

16,2

21,3

24.2

0,82

0,73

0.74

0,74 -1,19

0,81 -1,2

0.96-1.03

PhW

0,44 -0,44

0,76 -0,76

0.83-0.84

-0,15 -0,67

0,12 -0,61

0.13-0.51

2,7

8,2

13.3

13,5

23

16.0

0,61

0,86

0.79

0,95 -0,99

0,95 -0,98

0.97-0.99

Au

0,72 -0,72

0,79 -0,79

0.92-0.93

-0,15 -0,68

-0,07 -0,57

0.07-0.45

2,7

4,9

10.2

16,2

13,1

18.7

0,84

0,88

0.84

0,94 -0,95

0,95 -0,99

0.98-0.99

SL

0,78 -0,78

0,49 -0,49

0.88-0.89

-0,01 -0,58

0,14 -0,63

0.16-0.48

18,9

19,7

28.8

10,8

3,3

12.7

0,88

0,65

0.72

0,93 -0,94

0,98 -1,04

0.98-1.01

  1. 1Item-Internal Consistency, 2Item Discriminant Validity, 3Cronbach’s alpha, 4Rasch statistics.
  2. MS multiple sclerosis, SCZ schizophrenia.
  3. MusiQoL: ADL activity of daily living, PWB psychological well-being, RFr relationships with friends, SPT symptoms, RFa relationships with family, RHCS relationships with health care system, SSL sentimental and sexual life, COP coping, REJ rejection.
  4. SQoL: PsW psychological well-being, SE self-esteem, RFa family relationships, RFr relationships with friends, RE: resilience, PhW physical well-being, AU autonomy, SL sentimental life.
  5. LI no/low-impaired (0 or 1 of the 3 composites is impaired: executive, memory, and attention functions).
  6. HI highly-impaired (2 or 3 composites are impaired).
  7. Ref 1992 reference population of MusiQoL [30].
  8. Ref 507 reference population of SQoL [32].
  9. Bold values: unsatisfactory values.
  10. Italic characters: reference population values.
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BMC Neurology

ISSN: 1471-2377

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