Worker Health Chartbook 2004

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1		Figure 2-30 Distribution of noise-induced hearing loss cases in Michigan by age of patient and type of report (company or noncompany), 2000. Company reports indicated that workers aged 40-49 and 50-59 had the highest percentages of noise-induced hearing loss cases (36% and 33.8%, respectively) in 2000. Noncompany and company reports indicated nearly equal percentages of cases among workers aged 50-59. Age was unknown for 11 workers reported by company medical departments and for 40 workers reported by noncompany hearing health professionals. The hearing loss reports from companies involve a younger working age population enrolled in a hearing conservation program. (Source: Rosenman and Reilly [2002].)

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