Table 3.
Results of the WHOQOL-AGE scale analysis based on the graded response model for each factor (n = 2994)
| Items |
Factor 1 |
Factor 2 |
||
|---|---|---|---|---|
| Discrimination parameter | Total information explained (%) | Discrimination parameter | Total information explained (%) | |
|
Q1 |
1.544 |
7.95 |
1.398 |
9.71 |
|
Q2 |
1.977 |
9.66 |
- |
- |
|
Q3 |
2.704 |
14.51 |
- |
- |
|
Q4 |
3.311 |
19.11 |
- |
- |
|
Q5 |
3.153 |
16.91 |
- |
- |
|
Q6 |
2.635 |
14.24 |
- |
- |
|
Q7 |
1.392 |
6.47 |
- |
- |
|
Q8 |
2.136 |
11.15 |
- |
- |
|
Q9 |
- |
- |
3.190 |
23.85 |
|
Q10 |
- |
- |
3.392 |
26.09 |
|
Q11 |
- |
- |
3.213 |
24.41 |
|
Q12 |
- |
- |
1.369 |
7.71 |
| Q13 | - | - | 1.377 | 8.22 |