The prevalence of noise-induced hearing loss among Tanzanian miners

The prevalence of noise-induced hearing loss among Tanzanian miners

BACKGROUND Tanzania has a young mining history with several operating open pit and underground mines. No prevalence studies of noise-induced hearing loss (NIHL) have been conducted among mine workers to provide an impetus for the development of comprehensive hearing protection programmes. AIMS To determine the prevalence of NIHL and associated factors among miners in a major gold mining compa...

Occupational noise induced hearing loss in coal miners and coal washing factory workers in Kerman province

Introduction: The occupational noise induced hearing loss is one of the wide spread problems and a long term complication of working in noisy environments. At the present, large groups of workers who are working in noisy environments are exposed to hearing loss. So, this study is aimed to determine the prevalence of hearing loss (more than, 25 dB) of the workers in coal mines and leaching fac...

THE EFFECT OF NOISE-INDUCED HEARING LOSS ON DENTISTS

This paper presents noise problems associated with the use of air-turbine drills in dental practice. Two hundred and fifty dentists (male and female) were randomly selected from the faculty of dentistry as well as the dentists who worked private in Tehran. The results indicated that the mean value of sound pressure level produced by the high-speed drills was 69.1 db. Most of the energy from...

Prevalence of noise induced hearing loss among vehicle drivers at Bandar Abbas freight terminal, south of Iran

Background: Traffic noise is one of the major sources of environmental pollution that can cause permanent or temporary loss of hearing in drivers. The purpose of this study was to estimate the prevalence of hearing loss among professional long-distance drivers in Bandar Abbas freight terminal. Methods: One thousand long distance occupational drivers in Bandar Abbas freight terminal not certifie...

PREVALENCE OF NOISE INDUCED HEARING LOSS IN EMPLOYEES IN SHIRAZ INDUSTRIAL FACTORIES