The relationship between vocal fatigue and voice-related quality of life in university professors.

Purpose: To identify and correlate vocal fatigue and voice-related quality of life in university professors and verify possible differences between genders.

Methods: This is a cross-sectional, observational, and analytical study approved by the Research Ethics Committee of the institution under number 1,708,786. The Voice Fatigue Index (VFI) and the Voice Related Quality of Life (VRQOL) were applied to 126 university professors, 71 women and 55 men, with an average age of 43 years.