Hearing protection may not protect
A recently published study in the American Journal of Industrial Medicine looked at nearly 20,000 workers aged 18 to 65 and 385,000 audiograms.
They found no difference in hearing categories over time between those who (said) they always or never wore hearing protection.
There are many possible reasons for this including honesty about wearing protection and the big jump in hearing loss required to move from one category to another.
It is a reminder, however that hearing protection must be the last adjustment in protecting employees and that personal protective equipment may not prevent damage – or legal claims.