Table 3.

Unadjusted and Adjusted Linear Regression Analyses of the Effects of High Noise Exposure on Professional Quality of Life (ProQOL) (N = 3818)

Independent variables	Unadjusted			Adjusted
	Coefficient (SE)	P	Overall p	Coefficient (SE)	P	Overall p
Exposure to high noise			<.001			<.001
High (≥6 hr/wk)	−1.78 (0.20)	<.001		−1.32 (0.19)	<.001
Low (≤5 hr/wk)	reference			reference
Age (years)	0.05 (0.00)	<.001	<.001	0.03 (0.01)	<.001	<.001
Primary role						.003
Practice	reference		<.001	reference
Academia	0.78 (0.13)	<.001		0.03 (0.16)	.788
Administrative	−0.06 (0.17)	.710		−0.50 (0.17)	.003
Other/retired	1.04 (0.14)	<.0011		0.19 (0.15)	.196
Education			<.001			.225
ADA/diploma	reference			reference
BSN	0.28 (0.21)	.189		0.25 (0.20)	.082
Master	0.95 (0.21)	<.001		0.34 (0.21)	.428
Doctor	1.11 (0.21)	<.001		0.18 (0.23)	.048
Other	1.05 (0.29)	<.001		0.53 (0.28)	.188
Hours of work day/shift						<.001
<8 hours	reference		<.001	reference
8 hours	−1.31 (0.21)	<.001		−0.83 (0.21)	<.001
9–10 hours	−1.80 (0.20)	<.001		−1.36 (0.19)	<.001
11–12 hours	−2.16 (0.23)	<.001		−1.54 (0.23)	<.001
>12 hours	−2.70 (0.21)	<.001		−1.80 (0.22)	<.001
History of depression						<.001
Yes	−1.44 (0.12)	<.001	<.001	−1.18 (0.12)	<.001
No	reference			reference
History of back pain/musculoskeletal problems						<.001
Yes	−0.62 (0.11)	<.001	<.001	−0.53 (0.11)	<.001
No	reference			reference
History of arthritis			.831			.118
Yes	0.03 (0.13)	.831		−0.21 (0.13)	.118
No	reference			reference
Smoke inside home/work			.002			.096
Home only	−0.75 (0.33)	.024		−0.49 (0.31)	.117
Work only	−1.45 (0.45)	.002		−0.87 (0.43)	.045
Both home and work	2.30 (2.25)	.894		0.10 (2.12)	.963
Neither home nor work	reference			reference

Note. ProQOL = Professional Quality of Life; SE = standard error.