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Risk factors for tinnitus in a population of older adults: the blue mountains hearing study
Doungkamol Sindhusake1, Maryanne Golding, Philip Newall
1Departments fo Public Health and Community Medicine, University of Sydney, New South Wales 2145, Australia.
Objective:
To identify potential and modifiable risk factors for tinnitus in a population of older adults.
Study Design:
Cross-sectional study. Detailed questionnaires were interviewer-administered in a representative sample of 2015 persons aged 55+ yr, living in an area west of Sydney, Australia. Air- and bone-conduction audiometric thresholds were measured from 250 to 8000 Hz and from 500 to 4000 Hz, respectively. TEOAE and SOAE were measured for both ears.
Results:
After adjusting for multiple variables in a Cox proportional hazards model, factors that significantly increased the risk of tinnitus were poorer hearing and cochlear function, self-reported work-related noise exposure, and history of middle ear or sinus infections, severe neck injury or migraine.
Conclusion:
Interventions aimed at reducing age-related hearing loss, particularly by reducing excessive work-related noise exposure, and the effective, timely treatment of ear-related infections, may all decrease the risk of tinnitus.
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