Table 4.
Factor loading of Chinese version Glaucoma Quality of Life-15 (GQL-15-CHI) after varimax rotation
| CHI-GQL-15 items | Factor 1 | Factor 2 | Factor 3 | Factor 4 |
|---|---|---|---|---|
| 11. Walking on steps/stairs |
0.91 |
0.11 |
-0.01 |
0.13 |
| 10. Crossing the road |
0.90 |
0.10 |
-0.01 |
0.18 |
| 4. Walking on uneven ground |
0.71 |
0.06 |
0.33 |
0.09 |
| 8. Tripping over objects |
0.37 |
0.77 |
0.16 |
-0.01 |
| 9. Seeing objects coming from the side |
-0.01 |
0.69 |
-0.22 |
0.16 |
| 12. Bumping into objects |
0.53 |
0.65 |
-0.08 |
0.03 |
| 1. Reading newspapers |
0.06 |
-0.74 |
0.01 |
0.18 |
| 6. Adjusting to dim light |
-0.02 |
-0.01 |
0.78 |
-0.06 |
| 7. Going from light to dark room or vice versa |
-0.02 |
0.07 |
0.75 |
0.01 |
| 3. Seeing at night |
0.21 |
-0.17 |
0.69 |
0.40 |
| 2. Walking after dark |
0.43 |
-0.07 |
0.69 |
0.32 |
| 13. Judging distance of foot to step |
0.42 |
0.23 |
-0.46 |
0.31 |
| 15. Recognizing faces |
-0.02 |
-0.30 |
0.05 |
0.85 |
| 14. Finding dropped objects |
0.28 |
0.17 |
0.06 |
0.69 |
| 5. Adjusting to bright light (glare) |
-0.25 |
-0.53 |
-0.13 |
-0.60 |
| Eigenvalue |
4.44 |
2.82 |
1.73 |
1.24 |
| Variance explained (%) | 29.61 | 18.81 | 11.50 | 8.30 |
Bold numbers represents the factor loading of the items.