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Revista de Saúde Pública

Print version ISSN 0034-8910

Abstract

BEVILACQUA, Maria Cecilia et al. Survey of hearing disorders in an urban population in Rondonia, Northern Brazil. Rev. Saúde Pública [online]. 2013, vol.47, n.2, pp.309-315. ISSN 0034-8910.  http://dx.doi.org/10.1590/S0034-8910.2013047004059.

OBJECTIVE:

To identify the prevalence of hearing loss for the population in the urban area.

METHODS:

A cross-sectional household survey based on the World Health Organization Ear and Hearing Disorders Survey Protocol was conducted in 298 households in the urban area of Monte Negro, Rondonia, Northern Brazil, from 2005 to 2007. Ear examinations, behavioral audiometry and pure tone audiometry were conducted on 577 individuals.

RESULTS:

The results showed that 3.8% (95%CI 2.17;5.45) of population were classified in the disabling hearing impairment category. The prevalence of moderate hearing impairment was 3.4%; severe impairment was 0.4%; and profound hearing impairment was not found.

CONCLUSIONS:

The impairing hearing loss prevalence found in this study is within of the international prevalence for this level of hearing loss and smaller than observed in a previous study in the South region of Brazil.

Keywords : Hearing Loss, epidemiology; Urban Zones; Cross-Sectional Studies.

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