Table 2.

Appearance of vocal problems during regular teaching (n = 121)

Vocal problems		No	Yes
Gender (p = 0.595)	Female	32 (28,8%)	79 (71,2%)
	Male	3 (30;0%)	7 (70,0%)
Age groups (p = 0.030)	18–29 years	5 (62,5%)	3 (37,5%)
	30–39 years	4 (13,3%)	26 (86,7%)
	40–49 years	11 (26,8%)	30 (73,2%)
	50–68 years	15 (35,7%)	27 (64,3%)
Chronic diseases (p = 0.002)	Chronic pulmonary disease	7 (28,0%)	18 (72,0)
	Allergic rhinitis	1 (3,7%)	26 (96,3%)
	Reflux disease	2 (28,6%)	5 (71,4%)
Operations (p = 0.329)	Not operated	33 (28,7%)	82 (71,3%)
	Operated	2 (33,3%)	4 (66,7%)
Smoking (p = 0.052)	Never smoker	32 (32,7%)	66 (67,3%)
	Ex-smoker or current smoker	3 (13,04%)	20 (86,96%)