Table 4 Mean, median and the standardised factor loading of all D-39 items
Mean (SD), Median (IQR) | Standardized loading a | SE | R2 | |
|---|---|---|---|---|
Diabetes control | ||||
Question 1. Your daily medication for your diabetes | 2.6 (1.8), 2 (1–4) | 0.47 | 0.05 | 0.22 |
Question 4. Following your doctor's prescribed treatment plan for diabetes | 2.5 (1.8), 2 (1–4) | 0.45 | 0.06 | 0.20 |
Question 5. Food restrictions required to control your diabetes | 3.6 (1.9), 3 (2–5) | 0.50 | 0.05 | 0.24 |
Question 14. Having diabetes | 4.4 (1.9), 5 (3–6) | 0.67 | 0.04 | 0.44 |
Question 15. Losing control of your blood sugar levels | 3.9 (2.0), 2 (4–6) | 0.39 | 0.05 | 0.15 |
Question 17. Testing your blood sugar levels | 2.9 (2.0), 2 (1–4) | 0.45 | 0.05 | 0.20 |
Question 18. The time required to control your diabetes | 3.2 (1.9), 3 (2–5) | 0.55 | 0.04 | 0.30 |
Question 24. Getting your diabetes well controlled | 3.3 (1.9), 3 (2–5) | 0.64 | 0.04 | 0.41 |
Question 27. Keeping a record of your blood sugar levels | 3.0 (2.0), 2 (1–5) | 0.43 | 0.05 | 0.19 |
Question 28. The need to eat at regular intervals | 3.9 (1.8), 4 (3–5) | 0.56 | 0.04 | 0.31 |
Question 31. Having to organize you daily life around diabetes | 3.7 (1.8), 4 (2–5) | 0.67 | 0.04 | 0.44 |
Question 39. Diabetes in general | 4.2 (1.8), 4 (3–6) | 0.64 | 0.04 | 0.41 |
Anxiety and worry | ||||
Question 2. Worries about money matters | 4.6 (1.8), 5 (3–6) | 0.54 | 0.05 | 0.29 |
Question 6. Concerns about your future | 4.9 (1.9), 5 (4–7) | 0.67 | 0.04 | 0.47 |
Question 8. Stress or pressure in your life | 3.7 (2.1), 3 (2–6) | 0.63 | 0.04 | 0.40 |
Question 22. Feeling depressed or low | 3.5 (2.0), 3 (2–5) | 0.75 | 0.04 | 0.56 |
Social burden | ||||
Question 19. The restrictions your diabetes places on your family and friends | 3.7 (2.0), 4 (2–5) | 0.72 | 0.04 | 0.51 |
Question 20. Being embarrassed because you have diabetes | 3.3 (2.1), 3 (1–5) | 0.61 | 0.04 | 0.37 |
Question 26. Doing things that your family and friends don't do | 3.5 (1.9), 3 (2–5) | 0.65 | 0.04 | 0.43 |
Question 37. Being identified as a diabetic | 2.7 (1.9), 2 (1–4) | 0.53 | 0.05 | 0.28 |
Question 38. Having diabetes interfere with your family life | 4.1 (2.1), 4 (2–6) | 0.62 | 0.04 | 0.39 |
Sexual functioning | ||||
Question 21. Diabetes interfering with your sex life | 3.9 (2.5), 4 (1–6) | 0.91 | 0.02 | 0.83 |
Question 23. Problems with sexual functioning | 3.6 (2.4), 3 (1–6) | 0.92 | 0.02 | 0.85 |
Question 30. A decreased interest in sex | 4.1 (2.4), 4 (2–6) | 0.90 | 0.02 | 0.82 |
Energy and mobility | ||||
Question 3. Limited energy levels | 4.2 (1.8), 4 (3–6) | 0.66 | 0.03 | 0.44 |
Question 7. Other health problems besides diabetes | 4.1 (2.0), 4 (2–6) | 0.50 | 0.04 | 0.25 |
Question 9. Feelings of weakness | 4.2 (1.8), 4 (3–6) | 0.67 | 0.04 | 0.41 |
Question 10. Restrictions on how far you can walk | 3.5 (2.1), 3 (2–5) | 0.63 | 0.04 | 0.40 |
Question 11. Any daily exercises for your diabetes | 3.0 (2.0), 3 (1–4) | 0.51 | 0.05 | 0.26 |
Question 12. Loss or blurring of vision | 3.7 (2.0), 4 (2–6) | 0.38 | 0.05 | 0.14 |
Question 13. Not being able to do what you want | 4.1 (2.0), 4 (2–6) | 0.71 | 0.04 | 0.51 |
Question 16. Other illnesses besides diabetes | 3.5 (1.97), 3 (2–5) | 0.39 | 0.05 | 0.15 |
Question 25. Complications from your diabetes | 3.6 (2.07), 4 (2–5) | 0.64 | 0.04 | 0.42 |
Question 29. Not being able to do housework or other jobs around the house | 3.6 (1.92), 3 (2–5) | 0.70 | 0.03 | 0.50 |
Question 32. Needing to rest often | 3.8 (1.87), 4 (2–5) | 0.53 | 0.04 | 0.28 |
Question 33. Problems in climbing stairs or walking up steps | 4.1 (2.01), 4 (2–6) | 0.48 | 0.05 | 0.23 |
Question 34. Having trouble caring for yourself (dressing, bathing, or using the toilet) | 2.1 (1.67), 1 (1–3) | 0.52 | 0.06 | 0.27 |
Question 35. Restless sleep | 3.7 (1.97), 4 (2–5) | 0.50 | 0.05 | 0.25 |
Question 36. Walking more slowly than others | 3.5 (1.93), 3 (2–5) | 0.53 | 0.05 | 0.28 |