Occupational noise-related hearing disorders. hearing disorders hearing conservation program noise-induced hearing loss palm oil mill workers
Conditions
Interventions
The Hearing Conservation Program will consist of 6 components recommended by the Industry Code of Practice for Management of Occupational Noise Exposure and Hearing Conservation 2019, Malaysia. The co
Noise reduction measures
Audiometric testing
Information, instruction and training
Recordkeeping, and Monitoring and evaluation. ,The control group will be continuing the standard practice in the mills.
Experimental Behavioral,No Intervention No treatment
Hearing Conservation Program,Standard practice
Sponsors
Department of Social and Preventive Medicine, Faculty of Medicine, Universiti Malaya
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: 1. Workers exposed to a noise exposure level exceeding 85 dB(A) time-weighted average of 8 hours or deemed high risk by the mill manager and had an annual audiometry test done in the year 2024. 2. Workers with a duration of employment of at least 6 months 3. Workers and mill managers who are willing to participate and give consent. 4. Workers able to read and understand either Malay or English language.
Exclusion criteria
Exclusion criteria: 1. Workers who have been diagnosed by a medical practitioner to have pre-existing hearing disorders due to other factors such as ear infections, sustained injuries that would have directly affected their hearing conditions, had been treated for tuberculosis or had undergone treatment with any ototoxic drugs.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Hearing threshold levels 3 months post-intervention Pure tone audiometry | — |
Secondary
| Measure | Time frame |
|---|---|
| Knowledge, attitude and practice towards noise induced hearing loss 1 month and 3 months post-intervention Questionnaire | — |
Countries
Malaysia
Contacts
Public ContactGowri Mutthumanickam
Universiti Malaya, Malaysia
Outcome results
None listed