Table 2

Bivariate and multivariate predictors of hearing loss

Characteristic	All age				Age ⩽35				Age >35
	Bivariate		Multivariate		Bivariate		Multivariate		Bivariate		Multivariate
	β	p	β	p	β	p	β	p	β	p	β	p
Age	0.02	<0.0001	0.03	<0.0001	0.02	<0.0001	0.02	<0.0001	0.01	<0.0001	0.01	<0.0001
African-American	−0.29	<0.0001	−0.26	<0.0001	−0.21	<0.0001	−0.14	0.006	−0.31	<0.0001	−0.29	<0.0001
Male	0.27	<0.0001	0.15	<0.0001	0.18	0.0003	0.08	0.12	0.26	<0.0001	0.19	<0.0001
Risk factors
Ear infections	0.02	0.40			0.01	0.76			0.02	0.36
Shoot or hunt	0.09	<0.0001	0.04	0.01	0.13	<0.0001	0.08	0.01	0.08	<0.0001	0.04	0.06
Noisy hobbies	0.03	0.07			0.02	0.44			0.03	0.07
Previous noisy job	0.01	0.73			0.00	0.94			0.03	0.10
History of hearing loss in family	0.09	<0.0001	0.06	0.002	0.14	0.0003	0.09	0.02	0.07	0.002	0.05	0.02
Noise exposure (dB)
<82	reference		reference		reference		reference		reference		reference
82–84	−0.10	<0.0001	−0.05	0.007	−0.18	<0.0001	−0.16	0.0005	−0.04	0.04	−0.03	0.21
85–87	−0.15	<0.0001	−0.06	0.01	−0.10	0.04	−0.06	0.25	−0.11	<0.0001	−0.08	0.0035
⩾88	−0.18	<0.0001	−0.05	0.08	−0.15	0.008	−0.07	0.21	−0.14	0.0001	−0.06	0.12
Baseline hearing status
Mean 3K, 4K, 6K (dB)	0.005	<0.0001	0.02	<0.0001	0.01	<0.0001	0.01	<0.0001	0.002	0.003	−0.001	0.04
Interactions
Age × baseline hearing status	−0.001	<0.0001	−0.001	<0.0001	–	–	–	–	–	–	–	–