Tehran University of Medical Sciences International Journal of Occupational Hygiene 2008-5109 9 2 2017 06 11 60 65 EN AMIR HOUSHANG MEHRPARVAR Industrial Diseases Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran FATEMEH HEIDARI Department of Industrial Hygiene, Shahid Sadoughi University of Medical Sciences, Yazd, Iran MEHRDAD MOSTAGHACI MD, Isfahan University of Medical Sciences, Isfahan. Iran MOHSEN SOLTANI SHARIFABADI Department of Health Services Management, Shahid Sadoughi University of Medical Sciences, Yazd, Iran MOHAMMAD JAVAD ZARE SAKHVIDI PhD, Department of Industrial Hygiene, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. 2017 04 25 2017 06 11 Noise-induced hearing loss is considered as one of the most common occupational problems. Audiometric pattern of NIHL is different in various workplaces. This study was designed to find the prevalence and pattern of hearing loss in tile and ceramic industry. This was a cross-sectional study conducted on 853 tile and ceramic workers in Yazd, Iran. Plants were selected by simple random sampling from all tile and ceramic plants in Yazd. Hearing thresholds were recorded at 500, 1000, 2000, 3000, 4000, 6000, and 8000Hz. Hearing loss at each frequency was defined as hearing threshold higher than15 dB-HL. Data were analyzed by SPSS (ver. 20) using Student’s https://ijoh.tums.ac.ir/index.php/ijoh/article/view/268 https://ijoh.tums.ac.ir/index.php/ijoh/article/download/268/353