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High-frequency profile in adolescents and its relationship with the use of personal stereo devices ଝ,ଝଝ
Authors
Adriana Bender
Araújo Silvestre
+4 more
Moreira De Lacerda
Renata Almeida
Rogério Hammerschmidt
Ângela Ribas
Publication date
1 January 2016
Publisher
Abstract
Abstract Objective: To analyze and correlate the audiometric findings of high frequencies (9---16 kHz) in adolescents with their hearing habits and attitudes, in order to prevent noise-induced hearing loss. Method: This was a descriptive cross-sectional study, which included 125 adolescents in a sample of normal-hearing students, at a state school. The subjects performed high-frequency audiometry testing and answered a self-administered questionnaire addressing information on sound habits concerning the use of personal stereo devices. The sample was divided according to the exposure characteristics (time, duration, intensity, etc.) and the results were compared with the observed thresholds, through the difference in proportions test, chi-squared, Student's t-test, and ANOVA, all at a significance level of 0.05. Results: Average high-frequency thresholds were registered below 15 dB HL and no significant correlation was found between high frequency audiometric findings and the degree of exposure. Conclusion: The prevalence of harmful sound habits due to the use of personal stereo devices is high in the adolescent population, but there was no correlation between exposure to high sound pressure levels through personal stereos and the high-frequency thresholds in this population. © 2016 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved. ଝ Please cite this article as: Silvestre RA, Ribas Â, Hammerschmidt R, de Lacerda AB. High-frequency profile in adolescents and its relationship with the use of personal stereo devices. J Pediatr (Rio J). 2016;92:206---11. ଝଝ This article was written as part of the thesis of the main author for a Master's degree. Conclusão: A prevalência de hábitos sonoros prejudiciais devido ao uso de MP3 players é alta na população adolescente, porém não houve correlação entre a exposição a altos níveis de pressão sonora por meio de MP3 players e os limiares de altas frequências nessa população
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Last time updated on 07/12/2020