Table 3.
Standardized factor loadings in the bifactor model (Bifactor 2)
| Scales | Items | Factor loading | |
|---|---|---|---|
| General HRQOL factor | Group factor | ||
| Physical function | 3. Vigorous activities | 0.553 | 0.445 |
| 4. Moderate activities | 0.594 | 0.622 | |
| 5. Lift, carry groceries | 0.554 | 0.620 | |
| 6. Climb several flights | 0.569 | 0.665 | |
| 7. Climb one flight | 0.533 | 0.695 | |
| 8. Bend, kneel | 0.551 | 0.594 | |
| 9. Walk mile | 0.555 | 0.669 | |
| 10. Walk several blocks | 0.526 | 0.734 | |
| 11. Walk one block | 0.488 | 0.726 | |
| 12. Bath, Dress | 0.461 | 0.523 | |
| Role limitations due to physical problems | 13. Cut down time | 0.542 | 0.537 |
| 14. Accomplished less | 0.571 | 0.571 | |
| 15. Limited in kind | 0.581 | 0.645 | |
| 16. Had difficulty | 0.594 | 0.586 | |
| Role limitations due to emotional problems | 17. Cut down time | 0.504 | 0.646 |
| 18. Accomplished less | 0.515 | 0.699 | |
| 19. Not careful | 0.509 | 0.592 | |
| Bodily pain | 21. Pain magnitude | 0.575 | 0.702 |
| 22. Pain interfere with work | 0.611 | 0.653 | |
| 52. Pain interfere with enjoyment | 0.601 | 0.652 | |
| Emotional wellbeing | 24. Nervous person | 0.371 | 0.531 |
| 25. Down in dumps | 0.561 | 0.585 | |
| 26. Peaceful | 0.562 | 0.369 | |
| 28. Blue/Sad | 0.594 | 0.592 | |
| 30. Happy | 0.535 | 0.432 | |
| Energy | 23. Pep/life | 0.713 | 0.206 |
| 27. Energy | 0.717 | 0.245 | |
| 29. Worn out | 0.624 | 0.546 | |
| 31. Tired | 0.620 | 0.602 | |
| 32. Rested on walking in the morning | 0.519 | 0.281 | |
| Health perceptions | 1. EVGFP rating | 0.638 | 0.452 |
| 34. Sick easier | 0.417 | 0.269 | |
| 35. As healthy | 0.463 | 0.575 | |
| 36. Health to get worse | 0.450 | 0.233 | |
| 37. Health excellent | 0.590 | 0.659 | |
| Cognitive function | 42. Concentration and thinking | 0.591 | 0.710 |
| 43. Sustained attention | 0.576 | 0.700 | |
| 44. Memory | 0.467 | 0.708 | |
| 45. Others note troubles with memory/concentration | 0.436 | 0.564 | |
| Health distress | 38. Discouraged | 0.729 | 0.508 |
| 39. Frustrated | 0.712 | 0.544 | |
| 40. Worried for life | 0.624 | 0.543 | |
| 41. Weighed down | 0.694 | 0.563 | |
| Sexual function | 46. Lack if sexual interest | 0.346 | 0.684 |
| 47. Erection/Lubrication | 0.299 | 0.758 | |
| 48. Orgasm | 0.348 | 0.724 | |
| 49. Satisfy sexual partner | 0.378 | 0.656 | |
| Social function | 20. Social extent, physical health | 0.737 | – |
| 33. Social time | 0.758 | – | |
| 51. Social extent, bowel or bladder | 0.505 | – | |
| Overall quality of life | 53. 0–10 NRS rating | 0.735 | – |
| 54. TUMMMPO rating | 0.685 | – | |
EVGFP, Excellent, Very good, Good, Fair, Poor. HRQOL, health-related quality of life. NRS, Numeric Rating Scale. TUMMMPO, Terrible, Unhappy, Mostly dissatisfied, Mixed—about equally satisfied and dissatisfied, Pleased, Delighted
Correlations between residuals: 0.524 (items 53 and 54); 0.411 (items 20 and 33)
Coefficients < 0.40 are reported in bold; all the loadings are statistically significant at p < 0.001