Occupational and individual risk factors for dysphonia in teachers

In recent decades several groups of researchers have been interested in describing and understanding vocal morbidity in teachers in order to explain the large number of teachers diagnosed with dysphonia and account for the absenteeism attributed to vocal disability. To determine the proportion of te...

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Published in:	Occupational medicine (Oxford) Vol. 62; no. 7; pp. 553 - 559
Main Authors:	ASSUNCAO, A. A, BASSI, I. B, DE MEDEIROS, A. M, DE SOUZA RODRIGUES, C, GAMA, A. C. C
Format:	Journal Article
Language:	English
Published:	Oxford Oxford University Press 01-10-2012
Subjects:	Absenteeism Adult Biological and medical sciences Brazil - epidemiology Comorbidity Cross-Sectional Studies Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes Dysphonia - epidemiology Dysphonia - etiology Dysphonia - prevention & control Faculty Female Gastritis - complications Gastritis - epidemiology Gastritis - prevention & control Humans Internet Job Satisfaction Male Medical sciences Middle Aged Nervous system (semeiology, syndromes) Neurology Non tumoral diseases Occupational Diseases - epidemiology Occupational Diseases - etiology Occupational Diseases - prevention & control Otorhinolaryngology. Stomatology Prevalence Risk Factors Sex Distribution Sleep Wake Disorders - complications Sleep Wake Disorders - epidemiology Sleep Wake Disorders - prevention & control Stress, Psychological - epidemiology Surveys and Questionnaires Upper respiratory tract, upper alimentary tract, paranasal sinuses, salivary glands: diseases, semeiology South America Brazil America Human Occupational disease Teacher Risk Occupational exposure Epidemiology Language disorder Communication disorder Cross sectional study teachers Risk factor ENT disease Dysphonia Larynx disease voice disorder Voice Occupational medicine
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Summary:	In recent decades several groups of researchers have been interested in describing and understanding vocal morbidity in teachers in order to explain the large number of teachers diagnosed with dysphonia and account for the absenteeism attributed to vocal disability. To determine the proportion of teachers who reported a diagnosis of dysphonia and measure associations between individual and contextual factors and the event of interest. Teachers were recruited from the city of Belo Horizonte and invited to complete a web-based institutional intranet questionnaire. In total, 649 teachers responded; 32% (CI 28.5-35.5) reported that they had received a physician diagnosis of dysphonia. This prevalence was significantly higher among female teachers (prevalence ratio (PR) 2.33; CI 1.41-3.85), and groups who reported limited technical resources and equipment (PR 1.56; CI 1.14-2.15), a diagnosis of gastritis (PR 1.59; CI 1.28-1.98), not being summoned for an annual physician examination (PR 0.47; CI 0.32-0.68), or absenteeism (PR 1.39; CI 1.06-1.81). The high prevalence of dysphonia in teachers was not associated with any individual variables, except for sex and comorbidity (diagnosis of gastritis). Limited technical resources and equipment were associated with dysphonia and suggests policy change is important in preventing dysphonia.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 ObjectType-Article-2 ObjectType-Feature-1
ISSN:	0962-7480 1471-8405
DOI:	10.1093/occmed/kqs145