Table 2 Exploratory factor analysis of the final DVTQOL
Factors | ||||||
|---|---|---|---|---|---|---|
Items | 1 | 2 | 3 | 4 | 5 | 6 |
Emotional distress | ||||||
1. Feel weak or feeble | 0.66* | 0.15 | 0.15 | 0.11 | 0.38 | 0.02 |
2. Feel anxious about your health | 0.68* | 0.25 | 0.31 | 0.22 | -0.02 | 0.35 |
3. Feel tired | 0.62* | 0.14 | 0.18 | 0.12 | 0.34 | 0.07 |
4. Unable to live as you'd like | 0.81* | 0.15 | 0.26 | 0.13 | -0.01 | 0.21 |
5. Feel anxious about the future | 0.80* | 0.08 | 0.24 | 0.06 | -0.06 | 0.26 |
6. Feel irritated | 0.71* | 0.26 | -0.04 | 0.05 | 0.18 | -0.12 |
7. Feel frustrated and impatient | 0.82* | 0.12 | 0.22 | 0.15 | 0.18 | 0.10 |
Symptoms | ||||||
8. Pain in the leg | 0.19 | 0.64* | 0.35 | 0.04 | 0.22 | 0.03 |
9. Swollen ankles | 0.18 | 0.65* | 0.13 | -0.07 | 0.12 | -0.03 |
10. 'Sense of fatigue' in the leg | 0.32 | 0.74* | 0.23 | 0.14 | 0.15 | 0.07 |
11. Cramp in the leg | -0.04 | 0.62* | 0.02 | 0.04 | 0.10 | -0.03 |
12. Tension in the muscles | 0.21 | 0.66* | 0.17 | -0.04 | -0.01 | 0.12 |
13. Numbness, crawling or pricking sensation | 0.10 | 0.72* | 0.33 | 0.09 | -0.06 | 0.13 |
14. Bruising on the leg | -0.06 | 0.54* | -0.23 | 0.18 | 0.39 | 0.04 |
15. 'Feeling of heaviness' in the leg | 0.35 | 0.66* | 0.22 | 0.03 | 0.27 | -0.01 |
Limitation in physical activity | ||||||
16. Stumbling, falling or cutting yourself | 0.42 | 0.07 | 0.50* | 0.04 | 0.22 | 0.12 |
17. Go for long walks | 0.23 | 0.33 | 0.79* | 0.12 | 0.15 | -0.03 |
18. Stand still for long periods | 0.22 | 0.26 | 0.64* | 0.08 | 0.11 | 0.13 |
19. Refrain from physical activities | 0.10 | 0.14 | 0.83* | 0.14 | 0.15 | 0.03 |
20. Discomfort when walking up stairs | 0.39 | 0.26 | 0.64* | -0.02 | 0.15 | -0.08 |
Hassle with monitoring | ||||||
21. Irritation due to monitoring | 0.13 | 0.06 | 0.09 | 0.89* | -0.00 | 0.09 |
22. Inconvenience due to monitoring | 0.17 | 0.09 | 0.10 | 0.92* | 0.02 | 0.05 |
23. Refrain from doing things due to monitoring | 0.14 | 0.00 | 0.08 | 0.94* | -0.04 | 0.05 |
Sleep disturbance | ||||||
24. Trouble getting to sleep | 0.12 | 0.32 | 0.18 | -0.08 | 0.78* | 0.03 |
25. Wake up during the night | 0.39 | 0.22 | 0.16 | -0.06 | 0.75* | 0.01 |
26. Not sleeping properly | 0.15 | 0.07 | 0.23 | 0.03 | 0.78* | 0.10 |
Dietary problems | ||||||
27. Awareness of food and drink | 0.04 | 0.05 | 0.04 | 0.07 | 0.12 | 0.76* |
28. Avoid certain food or drink | 0.11 | 0.06 | -0.03 | 0.12 | -0.02 | 0.84* |
29. Ought to eat and drink | 0.21 | 0.01 | 0.08 | -0.03 | 0.03 | 0.89* |
Explained variance | 4.85 | 4.09 | 3.29 | 2.79 | 2.58 | 2.43 |
Proportion of explained variance % | 16.5 | 14.0 | 11.2 | 9.5 | 8.8 | 8.3 |