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Noise Mapping, Prevalence and Risk Factors of Noise-Induced Hearing Loss among Workers at Muscat International Airport
World Summit on Occupational Health and Public Safety
Norah Abdullah Alharthy
Imam Abdulrahman Bin Faisal University, Saudi Arabia
ScientificTracks Abstracts: J Community Med Health Educ
Abstract
Noise-induced hearing loss (NIHL) is a common occupational hazard and a major cause of deafness among airport workers. However, few studies have been conducted to investigate the various risk factors related to hearing loss. Purpose: the purpose of this study was to measure the prevalence and risk factors of NIHL among Muscat International Airport airside workers. Method: Their daily noise exposure level at the airport was measured, and the time-weighted average (TWA) was calculated for each airside department. A cross-sectional study design involving 312 workers from the eight departments of the airport was chosen and the prevalence of NIHL among workers was assessed. The study participants then completed a self-administered questionnaire that covered their socio-demographic characteristics, occupational exposure history and the health-related risk factors of NIHL. Results: The TWA recorded for the workers was above the accepted limit in some departments, namely, cabin appearance, ramp, line maintenance and hangar. The prevalence of NIHL among participants was 21.79% (n = 68). Of these 68 participants with NIHL, 22.30% were exposed to job-related high noise levels. NIHL was common among participants aged 40 or above (57.35%, n = 39) and high school degree holders (29.60%, n = 29), as well as those who were exposed to higher noise levels (84.89%, n = 191) or who did not wear their hearing protection devices (HPDs) regularly (53.65%, n = 125). Conclusion: around a quarter of our study participants who were exposed to high noise levels suffer from NIHL.Biography
Norah Alharthy has completed her Master of Occupational Medicien in 2020 from Imam Abdulrahman Bin Faisal University and now she is doing her fellowship in Occuaption Medicine in same uinverstiy .she had her MBBS from Karachi University in pakistan 2005 and she had exeprince in occupational health as she worked as occuaptional health physician at ministery of health (Oman ) in the last 7 years.
