The effectiveness of exposure to different sound levels in preserving hearing
Not Applicable
- Conditions
- Prevention of Noise-induced hearing loss.Noise-induced hearing loss
- Registration Number
- IRCT2013121515783N1
- Lead Sponsor
- Post Graduate Research Grant University of Malaya
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 104
Inclusion Criteria
Inclusion criterion is subjects exposed to noise levels above action level (85 dBA in one factory and 80 dBA in another factory).
Exclusion criteria are refused to participate, contract workers, who have diseases of ear, impacted wax, perforated tympanic membrane, physical trauma to ear, lorry drivers, who had undergone ear surgery and those have congenital hearing loss.
Exclusion Criteria
Not provided
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Hearing threshold level. Timepoint: Six months. Method of measurement: Using manual audiometer.
- Secondary Outcome Measures
Name Time Method Measuring knowledge, attitude and practice on noise-induced hearing loss. Timepoint: Six months. Method of measurement: Through questionnaire.