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Updated: May 25, 2026

Modified Experimental Conditions for Noise-Induced Hearing Loss in Mice and Assessment of Hearing Function and Outer Hair Cell Damage
Published on: February 10, 2023
Typical noise exposure in daily life
Gregory A Flamme1, Mark R Stephenson, Kristy Deiters
1Department of Speech Pathology and Audiology, Western Michigan University, Kalamazoo, MI 49008-5355, USA. greg.flamme@wmich.edu
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 dBLeq(A,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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