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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
International Journal of Audiology
|January 24, 2012
Summary
Most people experience daily noise levels exceeding environmental recommendations, potentially harming hearing. Occupational factors and gender significantly influence noise exposure.
Area of Science:
- Environmental Health
- Occupational Health
- Audiology
Background:
- Typical daily noise exposure levels in the general population are not well-characterized.
- Understanding noise exposure is crucial for public health and preventing hearing loss.
Purpose of the Study:
- To determine the distribution of typical noise levels in daily life.
- To identify factors associated with average sound levels in the general population.
Main Methods:
- An observational study involving 286 participants (aged 20-68) from Kalamazoo County, Michigan.
- Extensive noise monitoring was conducted, totaling 73,000 person-hours.
- Data analysis focused on identifying relationships between noise levels and demographic/occupational factors.
Main Results:
- Median daily average noise levels were 79 and 77 dBLeq(A,8,equiv).
- 70% of participants exceeded Environmental Protection Agency (EPA)-recommended noise levels.
- Gender, occupational classification, and occupational noise exposure history were associated with average noise levels.
Conclusions:
- A significant portion of the population is exposed to noise levels that pose a risk for long-term hearing damage.
- Gender and occupation were the strongest predictors of noise exposure.
- Even in non-traditionally noisy occupations, concerning noise exposure levels were observed.
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