Mathematical consideration of mean hearing threshold level.
نویسندگان
چکیده
منابع مشابه
hearing threshold level inworkers of meybod tile factory
introduction: occupational exposure to excessive noise is commonly encountered in a large number of industries in iran. this study evaluated the hearing threshold and hearing loss in meybod tile factory workers. methods: this cross-sectional study included 371 tile factoryworkers during summer and autumn of 2005. current noise exposure was estimated using sound level meter .a specially formatte...
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Introduction:Noise in dental offices is one of the risk factors in the workplace. One of the major effects of noise is hearing loss. This study aimed to determine the effects of noise on hearing thresholds of dentists of Babol city. Methods:This descriptive analytical cross-sectional study was performed on 40 dentists in Babol City (as case group) and 40 office workers (as control group). He...
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OBJECTIVES Noise-induced hearing loss (NIHL) is costly in both human and economic terms. One means of reducing NIHL is to apply engineering controls to hazardous noise sources. To trade off the cost of engineering controls against the total direct monetary costs incurred by NIHL, a means of predicting the amount of NIHL that will be incurred over the life-cycle of a hazardous noise source is ne...
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Objectives: The aim of the present study was to investigate satisfaction levels with hearing aids in daily life of older adult users, in addition to associated factors. Methods & Materials: In this cross sectional study, 32 subjects with moderate to severe sensory neural hearing loss (mean age; 63.5±9.8 Yrs) and different socio-economic status, referred to private practice audiology clinic (...
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ژورنال
عنوان ژورنال: AUDIOLOGY JAPAN
سال: 1988
ISSN: 1883-7301,0303-8106
DOI: 10.4295/audiology.31.24