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Typical noise exposure in daily life
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Feb 2012
Source: Int J Audiol. 51(0 1):S3-11. -
Alternative Title:Int J Audiol
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Description:Objective
Identify the distribution of typical noise levels present in daily life and identify factors associated with average sound levels.
Design
This was an observational study.
Study sample
Participants (N = 286) were 20 to 68 year old men and women, drawn from the general population of Kalamazoo County, Michigan . A total of 73 000 person-hours of noise monitoring were conducted.
Results
Median overall daily average levels were 79 and 77 dBLeqA,8,equiv , with average levels exceeding EPA recommended levels for 70% of participants. Median levels were similar between the hours of 9 a.m. and 9 p.m., and varied little across days of the week. Gender, occupational classification, and history of occupational noise exposure were related to average noise levels, but age, educational attainment, and non-occupational noise exposures were not.
Conclusions
A large portion of the general population is exposed to noise levels that could result in long-term adverse effects on hearing. Gender and occupation were most strongly related to exposure, though most participants in this study had occupations that are not conventionally considered noisy.
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Pubmed ID:22264061
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Pubmed Central ID:PMC4685462
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