Table 3 Results of the WHOQOL-AGE scale analysis based on the graded response model for each factor (n = 2994)
From: Validation of an instrument to evaluate quality of life in the aging population: WHOQOL-AGE
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 |