Table 3.

Multiple logistic regression analysis of hearing loss in either ear

variables	B	S.E	OR	(95% CI)		p-value
				Lower	Upper
Noise exposure level <86 dB (A)			1			<0.001
Noise exposure level ≥86-90 dB (A)	2.52	0.63	12.48	3.66	42.54	<0.001
Noise exposure level >90 dB (A)	4.57	0.89	96.26	16.97	545.97	<0.001
Pack-year smoking ≥10	1.48	0.72	4.39	1.08	17.86	0.039
Duration of employment >10 years	1.54	0.48	4.68	1.82	12.05	<0.001
Constant	–3.67	0.64	0.03			<0.001