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Tinnitus: an epidemiologic study in Iranian population
Maryam Jalessi1, Mohammad Farhadi, Alimohamad Asghari
1Department of ENT-Head and Neck Surgery, ENT-Head and Neck Surgery Research Center, Rasool Akram Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Acta Medica Iranica
|January 21, 2014
Summary
Tinnitus prevalence in Tehran, Iran, was 4.6%, lower than global rates, and increased with age after 60. Tinnitus Questionnaire scores correlated with intensity and annoyance, with men reporting higher impacts.
Area of Science:
- Otolaryngology
- Epidemiology
- Public Health
Background:
- Tinnitus, the perception of sound without external stimulus, affects 4% to 30% of the global population.
- Understanding the prevalence and associated factors of tinnitus in specific regions is crucial for public health initiatives.
Purpose of the Study:
- To determine the prevalence of tinnitus in the Iranian population residing in Tehran province.
- To investigate the association factors, including age, gender, and Tinnitus Questionnaire (TQ) scores, with tinnitus.
Main Methods:
- A cross-sectional study conducted from January to December 2009 in Tehran province, Iran.
- Recruitment of 3207 individuals aged 7-98 years.
- Utilized the validated Persian version of the Tinnitus Questionnaire (TQ) and a custom-designed questionnaire for data collection.
Main Results:
- The prevalence of tinnitus was 4.6% (146 participants) in the Tehran population.
- Tinnitus prevalence showed a significant increasing trend with age, particularly after the sixth decade (P=0.001).
- Mean TQ global score was 35.96±25.52, correlating significantly with tinnitus intensity, annoyance, and impact on daily functions (P<0.05). Annoyance and functional impact were higher in men.
Conclusions:
- The prevalence of tinnitus in Tehran, Iran, is lower compared to other countries.
- Age is a significant factor, with prevalence increasing after 60.
- Tinnitus severity, annoyance, and functional impact are linked to TQ scores, with men experiencing greater functional impairment.
