Table 4.
Scalability and internal consistency from six QUALIDEM subscales for people with very severe dementia
|
FAST = 7 |
InDemA |
|
STI-D |
|
Leben-QD I |
|
Total |
|
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
(n = 90) |
|
(n = 116) |
|
(n = 50) |
|
(n = 256) |
|||||||
| Item Nr. | Subscale (items) | Scale-H1 (item Hi) | Rho | Alpha | Scale-H1 (item Hi) | Rho | Alpha | Scale-H1 (item Hi) | Rho | Alpha | Scale-H1 (item Hi) | Rho | Alpha |
|
A. |
Care relationship |
0.60 |
0.78 |
0.75 |
0.38 |
0.53 |
0.57 |
0.60 |
0.80 |
0.73 |
0.47 |
0.73 |
0.67 |
| 7. |
Is angry |
0.60 |
|
|
0.50 |
|
|
0.61 |
|
|
0.54 |
|
|
| 14. |
Has conflicts with nursing assistants |
0.66 |
|
|
0.44 |
|
|
0.63 |
|
|
0.54 |
|
|
| 31. |
Accepts help |
0.53 |
|
|
0.19 |
|
|
0.53 |
|
|
0.35 |
|
|
|
B. |
Positive affect |
0.57 |
0.81 |
0.81 |
0.64 |
0.86 |
0.86 |
0.79 |
0.90 |
0.91 |
0.65 |
0.86 |
0.85 |
| 5. |
Radiates satisfaction |
0.66 |
|
|
0.68 |
|
|
0.86 |
|
|
0.70 |
|
|
| 8. |
Is capable of enjoying things in daily life |
0.52 |
|
|
0.67 |
|
|
0.75 |
|
|
0.64 |
|
|
| 21. |
Has a smile around the mouth |
0.60 |
|
|
0.64 |
|
|
0.74 |
|
|
0.65 |
|
|
| 40. |
Mood can be influenced in positive sense |
0.51 |
|
|
0.57 |
|
|
0.81 |
|
|
0.59 |
|
|
|
C. |
Negative affect |
0.38 |
0.50 |
0.49 |
0.46 |
0.62 |
0.57 |
0.10 |
0.25 |
0.15 |
0.36 |
0.50 |
0.47 |
| 6. |
Makes an anxious impression |
0.38 |
|
|
0.46 |
|
|
0.10 |
|
|
0.36 |
|
|
| 23. |
Accepts help |
0.38 |
|
|
0.46 |
|
|
0.10 |
|
|
0.36 |
|
|
|
D. |
Restless tense behavior |
0.41 |
0.66 |
0.66 |
0.32 |
0.57 |
0.56 |
0.43 |
0.73 |
0.66 |
0.37 |
0.59 |
0.62 |
| 2. |
Makes restless movements |
0.53 |
|
|
0.37 |
|
|
0.56 |
|
|
0.47 |
|
|
| 19. |
Is restless |
0.49 |
|
|
0.43 |
|
|
0.45 |
|
|
0.45 |
|
|
| 22. |
Has tense body language |
0.21 |
|
|
0.14 |
|
|
0.27 |
|
|
0.18 |
|
|
|
F. |
Social relations |
0.33 |
0.58 |
0.53 |
0.41 |
0.59 |
0.58 |
0.10 |
0.18 |
0.19 |
0.33 |
0.53 |
0.52 |
| 3. |
Has contact with other residents |
0.33 |
|
|
0.46 |
|
|
0.18 |
|
|
0.36 |
|
|
| 12. |
Responds positively when approached |
0.28 |
|
|
0.41 |
|
|
0.14 |
|
|
0.34 |
|
|
| 25. |
Cuts himself/herself off from environment |
0.37 |
|
|
0.36 |
|
|
0.00 |
|
|
0.30 |
|
|
|
G. |
Social isolation |
0.20 |
0.42 |
0.41 |
0.17 |
0.36 |
0.36 |
0.28 |
0.47 |
0.51 |
0.20 |
0.42 |
0.41 |
| 16. |
Is rejected by other residents |
0.26 |
|
|
0.20 |
|
|
0.41 |
|
|
0.25 |
|
|
| 20. |
Openly rejects contact with others |
0.18 |
|
|
0.24 |
|
|
0.22 |
|
|
0.21 |
|
|
| 32. | Calls out | 0.16 | 0.08 | 0.20 | 0.13 | ||||||||
1in bold.
Scale-H, Loevingers coefficient of homogeneity and scalability are classified as follow: 0.30 – 0.39 indicates a weak scale, 0.40 – 0.50 indicates moderate scalability and > 0.50 indicates strong scale.