Table 3.

Teachers without complaint of vocal fatigue.

No VF N = 167
Scale 1	Rho = 0.916	HT = 0.517	Qualified
Question	Mean	H T	Original VFI factor
14. My voice feels sore when I talk more	1.515	0.69	2
15. My throat aches with voice use	1.323	0.73	2
13. I experience throat pain at the end of the day with voice use	1.300	0.74	2
12. I experience pain in the neck at the end of the day with voice use	0.970	0.65	2
16. I experience discomfort in my neck with voice use	0.892	0.70	2
17. My voice feels better after I have rested	0.545	0.43	3
19. The hoarseness of my voice gets better with rest	0.515	0.42	3
Scale 2	Rho = 0.711	HT = 0.277	Did Not Qualify
Question			Original VFI factor
2. My voice feels tired when I talk more	1.024	0.34	1
4. My voice gets hoarse with voice use	0.856	0.39	1
3. I experience increased sense of effort with talking	0.671	0.33	1
11. My voice feels weak after a period of voice use	0.455	0.37	1
10. I find it difficult to project my voice with voice use	0.443	0.34	1
5. It feels like work to use my voice	0.407	0.38	1
Scale 3 & 4	Did Not Qualify due to low number of items
All Items disqualified
Question			Original VFI factor
1. I don’t feel like talking after a period of voice use			1
6. I tend to generally limit my talking after a period of voice use			1
7. I avoid social situations when I have to talk more			1
8. I feel I cannot talk to my family after a work day			1
9. It is effortful to produce my voice after a period of voice use			1
18. The effort to produce my voice decreases with rest			3