ACTRN12612001204831RecruitingNot Applicable
Effect of training on the improvement of the efficacy of earplugs compared to using a higher than necessary NRR (Noise reduction rate) in high-noise environment workers referred to the clinic for pre-employment evaluation.
shahid sadoughi university of medical science0 sites150 target enrollmentStarted: November 15, 2012Last updated:
Trial Snapshot
- Phase
- Not Applicable
- Status
- Recruiting
- Sponsor
- Enrollment
- 150
Study Overview
Brief Summary
No summary available.
Study Design
- Study Type
- Interventional
- Allocation
- Randomised controlled trial
- Primary Purpose
- Prevention
Eligibility Criteria
- Ages
- o limit to o limit (—)
- Sex
- All
Inclusion Criteria
- •All workers referred to the clinic for pre-employment evaluation
Exclusion Criteria
- •men who used earplugs in noisy places previously
- •who have conductive or sensorineural hearing loss in base audiometry
Investigators
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