Unnikrishnan K Menon, Shajid Pullambalavan, Jayakumar R Menon, Padmanabhan Kumar, Prabhakaran Cherayakattu, Santosh Kumar Poikayil Thankappan, Sathianandan Thayyil Valappil
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引用次数: 0
Abstract
Background: School teachers are known to be at risk for dysphonia. However, they do not always get the benefits that are guaranteed to people with occupational diseases. Objective parameters attempting to quantify the condition are a requirement. Based on an earlier smaller study done in a single district of Kerala, a highly literate State in south India, the present study was envisaged as a Statewide survey of the problem.
Objectives: The aim was to check the possibility of designating voice problem (dysphonia) in school teachers as a distinct occupational health issue. The primary objective was to document the prevalence of subjective dysphonia. Second, the study sought to look for possible associations between known risk factors and dysphonia.
Methods: A cross-sectional, questionnaire-based survey was conducted. The tool was developed from an earlier version, with the addition of risk factor questions and subjective handicap scoring. Three categories of dysphonia were obtained. Statistical analyses were done for all variables, with P value <0.05 considered statistically significant. Odds ratios (OR) with 95% confidence limits were calculated for four of the risk factors.
Results: Completed responses were obtained from 4014 school teachers. Of these, 1885 (46.96%) had dysphonia at the time of responding, 1922 (47.88%) in the last 1year, and 2650 (66.02%) at some point during their career. Most risk factors had statistically significant association with dysphonia. OR calculation showed greater risk for teachers in government-managed or -aided schools, those teaching in secondary (5th- to 12th-grade) schools, those in the job for more than 20years, and teaching social science subject.
Conclusions: There is a high prevalence of dysphonia in school teachers in a Statewide survey of Kerala. Several risk factors have been identified, some peculiar to the region. There is enough numerical evidence to designate dysphonia in school teachers as an occupational health issue.
期刊介绍：
The Journal of Voice is widely regarded as the world''s premiere journal for voice medicine and research. This peer-reviewed publication is listed in Index Medicus and is indexed by the Institute for Scientific Information. The journal contains articles written by experts throughout the world on all topics in voice sciences, voice medicine and surgery, and speech-language pathologists'' management of voice-related problems. The journal includes clinical articles, clinical research, and laboratory research. Members of the Foundation receive the journal as a benefit of membership.
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