Table 3.

Six Specific Scales: factor loadings for the HDQoL

	Factor loadings (Specific Scales)
Items	Cognitive	Hopes and Worries	Services	Physical and Functional	Mood State	Self and Vitality
18. Everyday memory	0.88	—	—	—	—	—
19. Organize day	0.78	—	—	—	—	—
21. Remember date	0.73	—	—	—	—	—
16. Concentration	0.72	—	—	—	—	—
13. Multitask	0.71	—	—	—	—	—
14. Slow	0.70	—	—	—	—	—
20. Follow conversation	0.69	—	—	—	—	—
15. Use words	0.65	—	—	—	—	—
17. Decision making	0.62	—	—	—	—	—
6. Hobby	(0.56)	—	—	0.39	—	—
30. Personal wishes	0.45	—	—	—	(−0.37)	—
28. Confidence	(0.44)	—	—	—	−0.32	—
12. Sleep	(0.32)	(0.32)	—	—	—	0.31
22. HD family worry	—	0.85	—	—	—	—
23. HD worry	—	0.76	—	—	—	—
24. Hope	—	0.69	—	—	—	—
32. Financial concerns	—	0.58	—	—	—	—
36. Other's attitude to HD	—	0.53	—	—	—	—
38. Services for HD	—	—	0.88	—	—	—
39. Management of HD	—	—	0.87	—	—	—
40. Information on HD	—	—	0.87	—	—	—
37. Support	—	—	(0.51)	—	—	0.48
5. Weight	—	—	—	0.89	—	—
9. Eating	—	—	—	0.82	—	—
7. Dressing	—	—	—	0.78	—	—
3. Walking	—	—	—	0.72	—	—
10. Operate television	—	—	—	0.71	—	—
8. Swallowing	—	—	—	0.71	—	—
1. Carrying things	—	—	—	0.61	—	—
2. Balance	(0.34)	—	—	0.51	—	—
27. Independence	(0.32)	—	—	0.48	—	—
4. Jobs around the house	(0.46)	—	—	0.48	—	—
33. Irritated	—	—	—	—	−0.83	—
34. Temper	—	—	—	—	−0.79	—
29. Low mood	—	—	—	—	−0.49	(0.38)
35. Socialize	—	—	—	—	−0.43	—
26. Get on with life	(0.34)	—	—	—	—	0.52
31. Role in family	—	—	—	—	—	0.43
25. Motivation	(0.34)	—	—	—	−0.34	0.40
11. Tired	(0.31)	—	—	—	—	0.39

HD, Huntington's disease; HDQoL, Huntington's disease health-related quality of life questionnaire.