scholarly journals PROFIL GANGGUAN PENDENGARAN PADA PEMUSIK DI KOTA MANADO

2014 ◽  
Vol 1 (2) ◽  
Author(s):  
Riscky B. Lauw
Keyword(s):  
Hearing Loss ◽  
Noise Level ◽  
Noise Exposure ◽  
Noise Induced Hearing Loss ◽  
Noise Induce Hearing Loss ◽  
Cross Sectional ◽  
Musical Sound ◽  
Keywords Hearing Loss ◽  
Analytical Research ◽  
The City

Abstract: Hearing loss due to noise (Noise Induced Hearing Loss - NIHL) is hearing impairment, either part or all, loss, irreversible, occur in one or both ears, can be mild, moderate or severe, occurs because of exposure to the constant noise from the environment. The musician is one of the communities that are susceptible to noise induced hearing loss. Musicians had considerable exposure to noise. Most musicians have a hearing loss in varying degrees. The research objective is to determine the profile of hearing loss in the musicians in Manado, researching threshold musical sound that can cause hearing loss, and looking for a relationship with duration of music exposure to hearing loss. Research is explanatory research, analytical research methods and cross-sectional approach. Research conducted on hearing music group in the City of Manado. The study involved 30 people with the details of 15 respondents guitar players and 15 drummers. The result is: The degree of noise in the gym most of the 110-130 dB, experienced by 46.7% of respondents, mostly studied band of men which is about 90%. Hearing loss is the most followed by drummer and then gitarist, 46.7% and 36.6%, respectively; based upon long exposure to music,> 5 years 46.6%, based on length of exercise per day, more in the 3-4 hours it is 40%. Based on the result of the study, there is a relationship between noise exposure and hearing loss in musicians in the city of Manado. The noise level, exposure time per day, duration of exposure and vulnerability of respondents, closely related to hearing loss disorder the musicians in this study. Keywords: Hearing loss, the noise level, duration of exposure, musicians.Abstrak: Noise induce hearing loss (NIHL) atau gangguan pendengaran akibat kebisingan adalah gangguan pendengaran baik sebagian atau seluruh pendengaran, bersifat menetap, terjadi pada satu atau dua telinga, dapat bersifat ringan, sedang atau berat, terjadi karena paparan bising yang terus-menerus dari lingkungan. Pemusik adalah salah satu komunitas yang rentan terhadap gangguan pendengaran akibat bising. Pemusik mengalami paparan suara yang begitu besar. Kebanyakan pemusik mengalami gangguan pendengaran dalam berbagai derajat. Tujuan penelitian adalah untuk mengetahui profil gangguan pendengaran pemusik di kota manado, meneliti ambang batas suara musik yang dapat menyebabkan gangguan pendengaran serta mencari hubungan lama paparan musik dengan gangguan pendengaran. Penelitian bersifat Explanatory Research, dengan metode penelitian analitik dan pendekatan cross sectional. Penelitian gangguan pendengaran dilakukan pada kelompok musik di Kota Manado. Penelitian ini melibatkan 30 orang responden dengan rincian 15 pemain gitar dan 15 pemain drum. Hasil yang diperoleh adalah: Derajat kebisingan pada tempat latihan paling banyak antara 110-130 dB, dialami oleh 46,7 % responden, personil band yang diteliti kebanyakan laki-laki yaitu sekitar 90 %. Gangguan pendengaran terbanyak adalah pemain drum diikuti oleh gitaris 46,7 % and 36,6 %. Berdasarkan lama paparan musik, > 5 tahun 46,6 %; berdasarkan lama latihan per hari, lebih banyak pada 3-4 jam yaitu 40 %. Berdasarkan hasil penelitian kesimpulannya, terdapat hubungan antara paparan kebisingan dan gangguan pendengaran pada pemusik di Kota Manado. Tingkat kebisingan, waktu paparan perhari, lama terpapar serta kerentanan responden, berhubungan erat dengan pendengaran pada pemusik pada penelitian ini. Kata kunci: Gangguan pendengaran, tingkat kebisingan, lama paparan, pemusik.

scholarly journals Effect of Using Hearing Protection and Earphone on Noise Induced Hearing Loss and Tinnitus in Workshop’s Workers

2018 ◽  
Vol 9 (1) ◽  
pp. 21
Author(s):  
Putri Berliana Syah
Keyword(s):  
Hearing Loss ◽  
Random Sampling ◽  
Noise Level ◽  
Noise Exposure ◽  
Health Effect ◽  
Simple Random Sampling ◽  
Hearing Protection ◽  
Noise Induced Hearing Loss ◽  
Cross Sectional ◽  
Workplace Noise

Noise exposure can leads to health effect such as Noise Induced Hearing Loss (NIHL) and tinnitus. Besides workplace, noise can be obtained from using earphones. The aim of this study was to analyze the effect of using hearing protection and earphone on NIHL and tinnitus in workers at PT DPS machine workshop. This was a cross sectional with observational analytic study design. This study was conducted in 37 workers at PT DPS machine workshop exposed to noise by using simple random sampling. Results showed that noise level in workplace was 88,57 dBA (8 hours TWA) which exceed TLV 85 dBA. Prevalence of NIHL and tinnitus in workplace was respectively 21.6% and 54%. NIHL affected by using hearing protection and earphone (MLR, p < 0.01; p < 0.05 respectively) and tinnitus affected by using earphone (MLR, p < 0.01) after controlled by working period. It can be concluded that prevalence of NIHL and tinitus are relatively high, NIHL affected by using hearing protection and earphone while tinnitus affected by using earphone. It is recommended for workers to use hearing protection in noise workplace and to reduce using earphone while PT DPS must provide hearing protection and do briefi ng to increase workers’ awareness about using hearing protection.

scholarly journals Prevalence of Hearing Loss in Military Aviators: The Audiometry and Risk Factors Analysis

2014 ◽  
Vol 9 (1) ◽  
pp. 19-24
Author(s):  
MR Alam ◽  
MA Wahab ◽  
MM Rahman ◽  
AKM Asaduzzaman ◽  
MAS Al-Azad ◽  
...  
Keyword(s):  
Risk Factors ◽  
Hearing Loss ◽  
Noise Exposure ◽  
Health Hazard ◽  
Hearing Threshold ◽  
Armed Forces ◽  
Cross Sectional Study ◽  
Noise Induced Hearing Loss ◽  
Cross Sectional ◽  
Medical Checkup

Introduction: Noise Induced Hearing Loss (NIHL) is an occupational health hazard linked with noise exposure of more than 85 dB. Aircraft noise and other occupational noise exposure cause military aviators more susceptible to NIHL than commercial jet pilots. Aim: To find out the prevalence of noise induced hearing loss among different military aircrew population with special emphasis on identifying the associated risk factors. Materials and Methods: This cross sectional study was conducted on Kuwait Air force pilots those who came for annual medical checkup from July 2010 to July 2012. Audiometry of all subjects was done by ENT specialist and necessary data were collected by structured questionnaires. All data were analyzed by SPSS (Statistical Package for the Social Sciences) version 17.0 Results: Out of 221 aircrew 32 (14.48%) developed NIHL. Hearing loss was mild to moderate and predominately at high frequencies. Most affected group was helicopter pilots. Pilots of more than 40 years of age and those who had more than 1000 flying hours had mean hearing threshold more than other groups. The right ear was affected in majority of cases than left ear. Conclusion: Noise exposure to aircrew is inevitable so hearing loss prevention strategies might play a pivotal role to save aircrew hearing. Active surveillance of hearing protection practices might have beneficiary effect. Steps can be taken for early detection of NIHL and hearing conservation program. DOI: http://dx.doi.org/10.3329/jafmc.v9i1.18721 Journal of Armed Forces Medical College Bangladesh Vol.9(1) 2013: 19-24

scholarly journals Noise Pollution and Its Correlations with Occupational Noise-Induced Hearing Loss in Cement Plants in Vietnam

2021 ◽  
Vol 18 (8) ◽  
pp. 4229
Author(s):  
Tinh Thai ◽  
Petr Kučera ◽  
Ales Bernatik
Keyword(s):  
Hearing Loss ◽  
Noise Level ◽  
Noise Exposure ◽  
Noise Pollution ◽  
Noise Induced Hearing Loss ◽  
Exposure Limit ◽  
Global Issue ◽  
Exposed Workers ◽  
Almost All ◽  
Cement Grinding

Noise-Induced Hearing Loss (NIHL) is a global issue that is caused by many factors. The purpose of this study was to survey noise level to identify NIHL and its relationship with other factors in cement plants in Vietnam. Noise level was measured at one cement plant and three cement grinding stations located in the South of Vietnam. The audiometric data of exposed workers were surveyed to determine NIHL. Finally, the relationship between NIHL and noise level in cement plants was determined. The results show that noise level in almost all processes exceeded the permissible exposure limit (PEL). In this study, 42 cases (10% of exposed workers) with occupational NIHL were found with mean age (SD) of 49 (9.0) years. All NIHL cases were found in the departments in which the noise level exceeded the PEL, which included quarry (n = 16), maintenance (n = 12), production (n = 10), co-waste processing (n = 3) and quality assurance (n = 1). There was a positive and significant correlation between the NIHL and the excessive noise exposure in the cement plants (r = 0.89, p = 0.04).

scholarly journals Influencing Factors of Hearing Disorder in Helicopter and Casa Pilots

2020 ◽  
Vol 2 (5) ◽  
Author(s):  
Nurfitriyana Nurfitriyana ◽  
July Ivone ◽  
Pramusinto Adhy
Keyword(s):  
Hearing Loss ◽  
Noise Exposure ◽  
Secondary Data ◽  
Sound Level ◽  
Aircraft Noise ◽  
Hearing Disorder ◽  
Noise Induced Hearing Loss ◽  
Chi Square ◽  
Cross Sectional ◽  
Cross Sectional Design

Noise-Induced Hearing Loss (NIHL) is a hearing disorder caused by noise. Noise with the intensity of 85 decibels (dB)or higher may damage the corti hearing receptor. Pilot is one of the riskiest occupations due to frequent noise exposure from aircraft machine. This research aimed to identify the influence of aircraft noise levels on hearing disorder of both helicopter and casa pilots. This is observational analytical research with cross-sectional design, involving 30 helicopter pilots and 30 casa pilots. The diagnosis of hearing disorder was done using secondary data from medical records. The aircraft noise was measured by sound level meter, the other risk factors were observed with questionnaire. Data were analyzed by chi-square with ?=0,05. The results showed that aircraft noise (p=0,009; OR=4,929), duration of working period (p=0,026; OR=8,308), and flight hours (p=0,006; OR=3,222) were related with hearing disorder, but not age (p=0,093; OR=3,222). We concluded aircraft noise, duration of the working period, and flight hours are related to hearing disorder of the pilots.   Keywords: hearing disorder; pilot; noise; noise-induced hearing loss

scholarly journals Noise Induced Hearing Loss in Ground Handling Workers at Juanda Airport Surabaya

2020 ◽  
Vol 63 (2) ◽  
pp. 59-63
Author(s):  
Citra Dwi Novastuti ◽  
Nyilo Purnami ◽  
Nugraenny Affianti
Keyword(s):  
Hearing Loss ◽  
Noise Exposure ◽  
Pure Tone Audiometry ◽  
Noise Induced Hearing Loss ◽  
Distortion Product Otoacoustic Emission ◽  
Research Subjects ◽  
Cross Sectional ◽  
Female Ratio ◽  
Distortion Product ◽  
Ground Handling

Background and Objectives The airport ground handling workers are most vulnerable to noise exposure from the sound of aircraft engines that are quite loud and, if exposed continuously, they may experience hearing loss. This study describes the profile of noise induced hearing loss in ground handling workers at Juanda Airport Surabaya.Subjects and Method The descriptive cross sectional approach is employed, and the noise level in the work environment is measured by airport apron, physical ear examination, distortion product otoacoustic emission (DPOAE) and pure tone audiometry, which were conducted for 89 ground handling workers at the airport.Results The age range that experienced hearing loss the most is 50-59 years (19.10%). The male: female ratio of subjects who experienced hearing loss was 50%:53.24%. The highest percentage of subjects with hearing loss was found in the Area II (export-import cargo) with 68%. Workers who experience hearing loss the most have been working for 17-21 years (76%). The ratio of hearing loss between continuous users of ear protectors and occasional or non-users of protectors was 22.47%:30.34%. Of the 89 total research subjects, 47 were found with hearing based on the DPOAE refer results; of these subjects, 30 (33.7%) experienced hearing loss due to noise (NIHL), 9 suffered in the right ear (10.11%), 9 in the left ear (10.11%) and 12 in both ears (13.48%).Conclusion Based on the DPOAE results, 52.81% of the ground handling workers at Juanda airport Surabaya were found with hearing loss; of these workers, 33.7% workers experienced NIHL with 10.11% observed in each ear and 13.48% in both ears.

scholarly journals EFEK BISING MESIN ELEKTRONIKA TERHADAP GANGGUAN FUNGSI PENDENGARAN PADA PEKERJA DI KECAMATAN SARIO KOTA MANADO, SULAWESI UTARA

2013 ◽  
Vol 1 (1) ◽  
Author(s):  
Hardini Tjan ◽  
Fransiska Lintong ◽  
Wenny Supit
Keyword(s):  
Hearing Loss ◽  
Work Environment ◽  
Noise Exposure ◽  
Sensorineural Deafness ◽  
Bivariate Analysis ◽  
Fisher Exact Test ◽  
Exposure Level ◽  
Intensity Level ◽  
Noise Induced Hearing Loss ◽  
Cross Sectional

Abstract: Noise induced hearing loss is caused by noise loud in the long period and a noisy work environment. Noisy work environment is a major problem in occupational health in various countries. The relationship between excessive noise exposure and hearing loss has been recognised since ancient times. Early epidemiological studies of noise induced hearing loss explored the damage risk relationship between occupational noise exposure level and the degree of hearing loss. The purpose of this study is to determine effect of engine noise electronics to auditory disfunction. The research methodeology used is an analytical method with a cross sectional approach. Samples were of 20 person taken from workers at the playground timezone and amazone. Data were obtained through questionnaires and examination of hearing function with the audiometri. Data were analyzed by using the Statistical Product and Service Solutions program (SPSS) and using the Fisher Exact test. Conclusion: The results showed that : There is a 75% hearing loss in all worker. The results of bivariate analysis showed there is no significant association between the hearing loss with the intensity level of noise (p = 0,032). The most common hearing loss is sensorineural deafness which generally occours in both ear. From the result of this study it can be concluded that the workers who work in a place that has the high intensity noise have greater risk of suffening from hearing loss. Keywords: Timezone and Amazone Workers, Noisy, Hearing.     Abstrak: Gangguan pendengaran akibat bising ialah gangguan pendengaran yang disebabkan akibat terpajan oleh bising yang cukup keras dalam jangka waktu yang cukup lama dan biasanya disebabkan oleh bising di lingkungan kerja. Bising lingkungan kerja merupakan masalah utama pada kesehatan kerja di berbagai negara. Hubungan antara paparan bising yang berlebihan dan kehilangan pendengaran telah dikenal sejak zaman kuno. Awal studi epidemiologi, gangguan pendengaran yang disebabkan oleh bising mengeksplorasi adanya hubungan atau faktor resiko antara pekerjaan, paparan tingkat kebisingan dan derajat gangguan pendengaran. Tujuan penelitian ini untuk mengetahui efek bising mesin elektronika terhadap gangguan fungsi pendengaran. Metode penelitian yang digunakan yaitu metode analitik dengan menggunakan rancangan cross sectional study. Sampel berjumlah 20 orang yang diambil dari pekerja di tempat bermain timezone dan amazone. Data diperoleh melalui kuisioner dan pemeriksaan fungsi pendengaran dengan menggunakan Audiometri. Data dianalisis dengan menggunakan Statistical Program Product and Service Solution (SPSS) dan menggunakan uji Fisher Exact. Simpulan: Hasil penelitian menunjukkan bahwa : Terdapat gangguan pendengaran sebesar 75 % pada seluruh pekerja. Hasil analisis bivariat menunjukan ada hubungan yang bermakna antara gangguan pendengaran dengan tingkat intensitas bising (p =  0,032).  Gangguan pendengaran yang paling banyak diderita oleh pekerja adalah tuli sensorineural (persepsi) yang umumnya terjadi pada kedua telinga. Dari hasil penelitian ini dapat disimpulkan bahwa pekerja yang bekerja pada intensitas bising yang tinggi memiliki resiko lebih besar menderita gangguan pendengaran. Kata Kunci: Pekerja Timezone & Amazone, Bising, Pendengaran

scholarly journals Prevalensi dan Faktor Risiko Tuli Akibat Bising pada Operator Mesin Kapal Feri

2013 ◽  
Vol 7 (12) ◽  
pp. 545
Author(s):  
Jumali Jumali ◽  
Sumadi Sumadi ◽  
Sylvia Andriani ◽  
Misbahul Subhi ◽  
Damianus Suprijanto ◽  
...  
Keyword(s):  
Hearing Loss ◽  
Pure Tone ◽  
Noise Intensity ◽  
Noise Exposure ◽  
Noise Induced Hearing Loss ◽  
Affecting Factors ◽  
Cross Sectional ◽  
Intensity Measurements ◽  
Study Results ◽  
Cross Sectional Design

Kebisingan ruang mesin dapat menyebabkan gangguan pendengaran. Tujuan penelitian ini adalah menganalisis prevalensi tuli akibat bising Noise Induced Hearing Loss (NIHL) dan faktor yang memengaruhi pada operator mesin kapal feri penyeberangan Ketapang-Gilimanuk. Penelitian observasional dengan pendekatan cross sectional ini menggunakan metode pengumpulan data dengan wawancara, pengukuran intensitas kebisingan ruang mesin dan pemeriksaan audiometri terhadap operator. Besar sampel adalah 66 operator dari 36 kapal feri yang memenuhi kriteria inklusi dipilih secara acak. Hasil studi menunjukkan 36% kapal memiliki intensitas kebisingan ² 85 dBA dan 64% > 85 dBA. Pemeriksaan audiometri dengan nada murni pada 66 operator didapatkan 34,85% responden mengalami NIHL. Hasil analisis regresi logistik menunjukkan faktor dominan yang memengaruhi NIHL adalah usia dan lama paparan (p < 0,05). Hasil uji kai kuadrat didapatkan intensitas kebisingan berpengaruh signifikan terhadap NIHL setelah dikoreksi dengan umur dan lama paparan (p < 0,05). Disarankan untuk mengurangi waktu paparan terhadap operator yang terpajan kebisingan tinggi dan menjaga jarak antara operator dengan sumber kebisingan untuk meminimalkan pajanan bising.Engine room noise can cause hearing loss. The objective of this research was to analyze the prevalence of Noise Induced Hearing Loss (NIHL) and its affecting factors on machinery ferry operators at Ketapang-Gilimanuk. This was an observational with cross sectional design, the techniques for collecting data were interviews, noise intensity measurements and audiometric examination.The sample was 66 operators who were selected randomly after inclusion. The study results showed that 36% of ferry have noise intensity ² 85 dBA and 64% have > 85 dBA. The audiometric examination with pure tone result of the 66 operators showed that 34.85% of respondent had NIHL. The age and length of exposure affected NIHL incidence (p < 0.05). While the noise intensity affected the incidence of NIHL (p > 0.05) together with age and lenght of exposure. It is important to reduce exposure time of noisy operations on workers, automation of activities and increase the distance between workers and noisy equipment to minimise the noise exposure.

scholarly journals The Potension of Aditory Nerve Damage on Milling Industry Workers in Jember Regency

2020 ◽  
Vol 6 (1) ◽  
pp. 62
Author(s):  
Jauhar Firdaus
Keyword(s):  
Hearing Loss ◽  
Noise Level ◽  
Occupational Safety ◽  
Noise Exposure ◽  
Raw Materials ◽  
Nerve Damage ◽  
Health Administration ◽  
Cross Sectional ◽  
Safety And Health ◽  
The Government

Jember Regency is one of the agro-industrial areas in Indonesia with a variety of activities that can produce noise including milling industry. Exposure to noise that is too strong or too long will damage the auditory nerve. The type of material being grounded determines the amount of noise produced so that the potential for hearing nerve damage also varies. This study aims to determine the level of noise produced by the milling industry and analyze the potential for hearing nerve damage in milling workers in Jember Regency. This type of research is observational analytic with cross-sectional approach. This research was conducted by measuring noise in several grinding locations in Jember that were randomly determined. Types of careful milling is grinding meat, coffee, rice, sticky rice and coconut. In addition to measuring the noise level, a short interview was also conducted with the mill workers regarding how long they worked at the mill every day. The measurement results are then analyzed descriptively and compared with standards set by the government and the Occupational Safety and Health Administration (OSHA). In this study it was found that the grinding of meat raw materials produced an average noise level of 88.5 db, coffee of 88.5 db, rice of 88.9 db, sticky rice of 87.3 db and coconut of 80.7 db. The duration of exposure to noise in milling meat, coffee, rice and sticky rice ranges from 9-12 hours a day. While the duration of noise exposure to coconut milling workers ranged from 6-9 hours. Therefore it can be concluded that milling meat, coffee, rice and sticky rice has the potential to cause hearing loss for workers. Keywords: agroindustry, hearing loss, noisy, milling

scholarly journals Prevalence of Noise-Induced Hearing Loss Among Tanzanian Iron and Steel Workers: A Cross-Sectional Study

2019 ◽  
Vol 16 (8) ◽  
pp. 1367 ◽  
Author(s):  
Israel P. Nyarubeli ◽  
Alexander M. Tungu ◽  
Bente E. Moen ◽  
Magne Bråtveit
Keyword(s):  
Hearing Loss ◽  
Noise Level ◽  
Cross Sectional Study ◽  
Noise Induced Hearing Loss ◽  
Sectional Study ◽  
Steel Workers ◽  
Cross Sectional ◽  
Iron And Steel ◽  
Hearing Thresholds ◽  
Average Noise Level

Iron and steel factory workers in Tanzania are likely to develop noise-induced hearing loss (NIHL) due to exposure to high sound levels. Studies on hearing status in this population are lacking. The aims of this study were to determine prevalence of NIHL among iron and steel workers and compare hearing thresholds at different frequencies with a control group. We conducted a cross-sectional study among 221 iron and steel workers exposed to average noise level of 92 dB(A), compared with 107 primary school teachers recruited as controls and exposed to average noise level of 79.7 dB(A). We used a questionnaire-based interview to collect information on socio demographic characteristics and other confounding variables. Hearing loss was defined as hearing threshold levels ≥25 dB hearing loss in either ear at 3000, 4000 or 6000 Hz. The prevalence of hearing loss was significantly higher among the exposed group than among the controls, i.e. 48% and 31%, respectively. There were significant differences in hearing thresholds between the exposed and control groups at 3000, 4000, 6000, and 8000 Hz. Hearing loss was more frequent among workers exposed to higher noise levels than among the controls suggesting that iron and steel workers run a higher risk of developing hearing loss.

scholarly journals Sex differences in noise-induced hearing loss: a cross-sectional study in China

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Qixuan Wang ◽  
Xueling Wang ◽  
Lu Yang ◽  
Kun Han ◽  
Zhiwu Huang ◽  
...  
Keyword(s):  
Risk Factors ◽  
Hearing Loss ◽  
Sex Differences ◽  
Noise Exposure ◽  
Low Frequency ◽  
Cross Sectional Study ◽  
Noise Induced Hearing Loss ◽  
Sectional Study ◽  
Cross Sectional ◽  
Exposure Levels

Abstract Background Significant sex differences exist in hearing physiology, while few human studies have investigated sex differences in noise-induced hearing loss (NIHL), and the sex bias in previous studies resulted in inadequate female data. The study aims to investigate sex differences in the characteristics of NIHL to provide insight into sex-specific risk factors, prevention strategies and treatment for NIHL. Methods This cross-sectional study included 2280 industrial noise-exposed shipyard workers (1140 males and 1140 females matched for age, job and employment length) in China. Individual noise exposure levels were measured to calculate the cumulative noise exposure (CNE), and an audiometric test was performed by an experienced technician in a soundproof booth. Sex differences in and influencing factors of low-frequency (LFHL) and high-frequency hearing loss (HFHL) were analyzed using logistic regression models stratified by age and CNE. Results At comparable noise exposure levels and ages, the prevalence of HFHL was significantly higher in males (34.4%) than in females (13.8%), and males had a higher prevalence of HFHL (OR = 4.19, 95% CI 3.18 to 5.52) after adjusting for age, CNE, and other covariates. Sex differences were constant and highly remarkable among subjects aged 30 to 40 years and those with a CNE of 80 to 95 dB(A). Alcohol consumption might be a risk factor for HFHL in females (OR = 3.12, 95% CI 1.10 to 8.89). Conclusions This study indicates significant sex differences in NIHL. Males are at higher risk of HFHL than females despite equivalent noise exposure and age. The risk factors for NIHL might be different in males and females.

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