Table 4.

Multiple logistic regression analysis of hearing loss in both ears

variables	B	S.E	OR	(95% CI)		p-value
				Lower	Upper
Noise exposure level <86 dB (A)			1			0.012
Noise exposure level ≥86-90 dB (A)	1.49	0.86	4.42	0.82	23.74	0.083
Noise exposure level >90 dB (A)	2.85	0.96	17.31	2.63	114.08	0.003
Pack-year smoking ≥10	2.04	0.73	7.72	1.86	31.95	0.005
Junior High School						0.288
Senior High School	1.15	0.74	3.17	0.74	13.48	0.119
≥Vocational Certificate up	0.62	0.83	1.85	0.36	9.42	0.459
Constant	–4.71	1.03	0.01			<0.001