From: Comparison between male and female teachers in Egyptian primary schools regarding the effect of teaching on their voice
Females (GII)
N = 100
Voice change
R
P value
Medication
0.024
0.815
Weekly teaching hours to their children at home
0.090
0.371
Age of the youngest
− 0.024
Emotional factor and stress
0.299
0.003*
Emotional VHI
0.607
< 0.001*