From: Psychometric evaluation of Azeri version of the head and neck cancer specific quality of life questionnaire (EORTC QLQ-H&N43)
Number of items
Cronbach’s α
Pain
4
0.78
Swallowing
0.70
Speech problems
5
0.72
Social eating
0.66
Problems with teeth
3
0.73
Body image
0.69
Skin problems