Table 2.

Influencing factors of high-frequency and low-frequency hearing loss in in the total population, males, and females

	Total (n = 2280) OR (95% CI)	Males (n = 1140) OR (95% CI)	Females (n = 1140) OR (95% CI)
High-frequency hearing loss
Sex
Females	Reference	/	/
Males	4.19 (3.18–5.52)	/	/
Age, years	1.13 (1.12–1.15)	1.13 (1.11–1.16)	1.14 (1.11–1.18)
Cumulative noise exposure, dB(A)	1.04 (1.03–1.06)	1.04 (1.02–1.06)	1.04 (1.02–1.06)
Alcohol consumption
< 50 g alcohol per day	Reference	Reference	Reference
>= 50 g alcohol per day	1.36 (1.01–1.83)	1.28 (0.94–1.74)	3.12 (1.10–8.89)
Low-frequency hearing loss
Sex
Females	Reference	/	/
Males	1.49 (1.00–2.20)	/	/
Age, years	1.11 (1.08–1.13)	1.11 (1.07–1.15)	1.10 (1.06–1.15)
Cumulative noise exposure, dB(A)	1.04 (1.02–1.06)	1.03 (1.01–1.06)	1.06 (1.02–1.09)

OR odds ratio, CI 95% confidence interval

Variables without statistical significance in the regression models are not shown