“…Based on working history, patients were divided into two groups: patients with tinnitus and a history of employment in one of the professions associated with an increased exposure to occupationally-acquired noise-induced hearing loss (HIGH-RISK, n = 68) and patients with tinnitus and a history of employment in industries and occupations reported to have lower risks for hearing impairment (LOW-RISK, n = 68). Patients were included in the HIGH-RISK group if they had a history of employment in one of the following professions: armed forces [ 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 ], carpenters [ 36 , 38 , 43 ], manufacturing workers [ 5 , 34 , 35 , 43 , 44 , 45 , 46 ], drivers [ 5 , 34 , 38 , 43 , 47 , 48 ], miners [ 5 , 35 , 38 , 43 , 49 , 50 ], musicians [ 38 , 51 , 52 , 53 ], railroaders [ 4 , 5 , 34 , 43 , 54 , 55 ], school teachers [ 5 , 34 , 43 ] and construction workers [ 5 , 34 , 38 , 43 , 55 , 56 ,…”