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Roy, Nelson; Merrill, Ray M.; Thibeault, Susan; Gray, Steven D.; Smith, Elaine M. – Journal of Speech, Language, and Hearing Research, 2004
To examine the frequency and adverse effects of voice disorders on job performance and attendance in teachers and the general population, 2,401 participants from Iowa and Utah ([n.sub.1] = 1,243 teachers and [n.sub.2] = 1,279 nonteachers) were randomly selected and were interviewed by telephone using a voice disorder questionnaire. Teachers were…
Descriptors: Occupations, Singing, Job Performance, Voice Disorders

Roy, Nelson; Merrill, Ray M.; Thibeault, Susan; Parsa, Rahul A.; Gray, Steven D.; Smith, Elaine M. – Journal of Speech, Language, and Hearing Research, 2004
information is also provided regarding additional factors that might contribute to the development of voice disorders.Over 3 million teachers in the United States use their voice as a primary tool of trade and are thought to be at higher risk for occupation-related voice disorders than the general population. However, estimates regarding the…
Descriptors: Statistical Analysis, Incidence, Speech Language Pathology, Genealogy