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<ArticleSet>
<Article>
</ArticleSet><Journal>
<PublisherName></PublisherName>
<JournalTitle>International Journal of Preventive Medicine</JournalTitle>
<Issn>2008-7802</Issn>
<Volume>4</Volume>
<Issue>1</Issue>
<PubDate>
</Journal><Year>2012</Year>
<Month>02</Month>
<Day>01</Day>
</PubDate><ArticleTitle>Comparison of Sensory–Neural Hearing between Firefighters and Office Workers</ArticleTitle>
<FirstPage>115</FirstPage>
<LastPage>119</LastPage>
<Language>EN</Language>
<AuthorList>
<Author>
<FirstName>Seyedeh Negar</FirstName>
<LastName>Assadi</LastName>
<Affiliation>Department of Environmental Health, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran. assadin@mums.ac.ir</Affiliation>
</Author><Author>
<FirstName>Habibollah</FirstName>
<LastName>Esmaily</LastName>
</Author><Author>
</AuthorList><FirstName>Leila</FirstName>
<LastName>Mostaan</LastName>
</Author><History>
<PubDate>
<Year>2011</Year>
<Month>06</Month>
<Day>11</Day>
</PubDate><PubDate>
<Year>2012</Year>
<Month>01</Month>
<Day>31</Day>
</PubDate><PubDate>
</History><Year>2011</Year>
<Month>11</Month>
<Day>02</Day>
</PubDate><Abstract>Background: Rescuer systems personnel such as firefighters have importance in health assessment. Because of stressful situation, chemicals, metals, gases and noises, they need many physical and paraclinic examination such as audiometry in periodic examinations. Comparison of sensory – neural hearing between firefighters and office workers. Methods: A cross‑sectional study had been done on firefighters and office workers with use of the clinical – health issues. Data had been analyzed in SPSS 11.5 by T‑test and Chi‑2 with significance level of P<0.05. Results: Mean of hearing threshold in firefighters’ right ear in 4000, 6000, 8000 Hz was 16.05±8.66 dB and in office workers was 15.20±6.47 dB with t=0.786 and P=0.433 had no significant difference, this mean in firefighters’ left ear was 16.17±8.12 dB and in office workers was 15.52±6.67 dB with t=0.617 and P=0.538 had no significant difference too. Mean of hearing threshold in firefighters’ right ear in age 40 or less than it in 4000 Hz was 20.51±10.11 dB and in office workers was 17.50±5.28 dB with t=2.153 and P=0.033 had significant difference. Conclusion: Mean of hearing threshold in firefighters in all frequencies was normal, except 4000 frequency. It showed the early effect of occupational exposure on hearing. Keywords: Chemical pollution, firefighter, sensory–neural hearing, siren</Abstract>
</Article>