Table 2.

Details of the internal consistency of VHI-Tamil version using Cronbach’s alpha coefficient method

Items	Corrected item—total correlation
F1. My voice makes it difficult for people to hear me	0.908
F2. People have difficulty understanding me in a noisy room	0.912
F3. My family has difficulty hearing me when I call them throughout the house	0.931
F4. I use the phone less often than I would like to	0.851
F5. I tend to avoid groups of people because of my voice	0.919
F6. I speak with friends, neighbors, or relatives less often because of my voice	0.908
F7. People ask me to repeat myself when speaking face-to-face	0.906
F8. My voice difficulties restrict my personal and social life	0.930
F9. I feel left out of conversations because of my voice	0.914
F10. My voice problem causes me to lose income	0.668
P1. I run out of air when I talk	0.852
P2. The sound of my voice varies throughout the day	0.842
P3. People ask, “What’s wrong with your voice?”	0.933
P4. My voice sounds creaky and dry	0.930
P5. I feel as though I have to strain to produce voice	0.928
P6. The clarity of my voice is unpredictable	0.894
P7. I try to change my voice to sound different	0.892
P8. I use a great deal of effort to speak	0.937
P9. My voice is worse in the evening	0.917
P10. My voice “gives out” on me in the middle of speaking	0.892
E1. I am tense when talking to others because of my voice	0.948
E2. People seem irritated with my voice	0.930
E3. I find other people don’t understand my voice problem	0.947
E4. My voice problem upsets me	0.944
E5. I am less outgoing because of my voice problem	0.946
E6. My voice makes me feels handicapped	0.956
E7. I feel annoyed when people ask me to repeat	0.954
E8. I feel embarrassed when people ask me to repeat	0.962
E9. My voice makes me feel incompetent	0.929
E10. I am ashamed of my voice problem	0.940
Cronbach’s alpha	0.993