The Effectiveness of Hearing Protection Devices: A Systematic Review and Meta-Analysis

To prevent intensive noise exposure in advance and be safely controlled during such exposure, hearing protection devices (HPDs) have been widely used by workers. The present study evaluates the effectiveness of these HPDs, partitioned into three different outcomes, such as sound attenuation, sound l...

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Autores principales:	Chanbeom Kwak, Woojae Han
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	noise-induced hearing loss hearing protection sound attenuation sound localization communication Medicine R
Acceso en línea:	https://doaj.org/article/8fea7e39b6de401abb68637cfa17579d
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spelling	oai:doaj.org-article:8fea7e39b6de401abb68637cfa17579d2021-11-11T16:46:27ZThe Effectiveness of Hearing Protection Devices: A Systematic Review and Meta-Analysis10.3390/ijerph1821116931660-46011661-7827https://doaj.org/article/8fea7e39b6de401abb68637cfa17579d2021-11-01T00:00:00Zhttps://www.mdpi.com/1660-4601/18/21/11693https://doaj.org/toc/1661-7827https://doaj.org/toc/1660-4601To prevent intensive noise exposure in advance and be safely controlled during such exposure, hearing protection devices (HPDs) have been widely used by workers. The present study evaluates the effectiveness of these HPDs, partitioned into three different outcomes, such as sound attenuation, sound localization, and speech perception. Seven electronic journal databases were used to search for published articles from 2000 to 2021. Based on inclusion criteria, 20 articles were chosen and then analyzed. For a systematic review and meta-analysis, standardized mean differences (SMDs) and effect size were calculated using a random-effect model. The funnel plot and Egger’s regression analysis were conducted to assess the risk of bias. From the overall results of the included 20 articles, we found that the HPD function performed significantly well for their users (SMDs: 0.457, 95% confidence interval (CI): 0.034–0.881, <i>p</i> < 0.05). Specifically, a subgroup analysis showed a meaningful difference in sound attenuation (SMDs: 1.080, 95% CI: 0.167–1.993, <i>p</i> < 0.05) when to wear and not to wear HPDs, but indicated no significance between the groups for sound localization (SMDs: 0.177, 95% CI: 0.540–0.894, <i>p</i> = 0.628) and speech perception (SMDs: 0.366, 95% CI: −0.100–1.086, <i>p</i> = 0.103). The HPDs work well for their originally designated purposes without interfering to find the location of the sound sources and for talking between the workers. Taking into account various factors, such as the characteristics of the users, selection of appropriate types, and fitting methods for wearing in different circumstances, seems to be necessary for a reliable systematic analysis in terms of offering the most useful information to the workers.Chanbeom KwakWoojae HanMDPI AGarticlenoise-induced hearing losshearing protectionsound attenuationsound localizationcommunicationMedicineRENInternational Journal of Environmental Research and Public Health, Vol 18, Iss 11693, p 11693 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	noise-induced hearing loss hearing protection sound attenuation sound localization communication Medicine R
spellingShingle	noise-induced hearing loss hearing protection sound attenuation sound localization communication Medicine R Chanbeom Kwak Woojae Han The Effectiveness of Hearing Protection Devices: A Systematic Review and Meta-Analysis
description	To prevent intensive noise exposure in advance and be safely controlled during such exposure, hearing protection devices (HPDs) have been widely used by workers. The present study evaluates the effectiveness of these HPDs, partitioned into three different outcomes, such as sound attenuation, sound localization, and speech perception. Seven electronic journal databases were used to search for published articles from 2000 to 2021. Based on inclusion criteria, 20 articles were chosen and then analyzed. For a systematic review and meta-analysis, standardized mean differences (SMDs) and effect size were calculated using a random-effect model. The funnel plot and Egger’s regression analysis were conducted to assess the risk of bias. From the overall results of the included 20 articles, we found that the HPD function performed significantly well for their users (SMDs: 0.457, 95% confidence interval (CI): 0.034–0.881, <i>p</i> < 0.05). Specifically, a subgroup analysis showed a meaningful difference in sound attenuation (SMDs: 1.080, 95% CI: 0.167–1.993, <i>p</i> < 0.05) when to wear and not to wear HPDs, but indicated no significance between the groups for sound localization (SMDs: 0.177, 95% CI: 0.540–0.894, <i>p</i> = 0.628) and speech perception (SMDs: 0.366, 95% CI: −0.100–1.086, <i>p</i> = 0.103). The HPDs work well for their originally designated purposes without interfering to find the location of the sound sources and for talking between the workers. Taking into account various factors, such as the characteristics of the users, selection of appropriate types, and fitting methods for wearing in different circumstances, seems to be necessary for a reliable systematic analysis in terms of offering the most useful information to the workers.
format	article
author	Chanbeom Kwak Woojae Han
author_facet	Chanbeom Kwak Woojae Han
author_sort	Chanbeom Kwak
title	The Effectiveness of Hearing Protection Devices: A Systematic Review and Meta-Analysis
title_short	The Effectiveness of Hearing Protection Devices: A Systematic Review and Meta-Analysis
title_full	The Effectiveness of Hearing Protection Devices: A Systematic Review and Meta-Analysis
title_fullStr	The Effectiveness of Hearing Protection Devices: A Systematic Review and Meta-Analysis
title_full_unstemmed	The Effectiveness of Hearing Protection Devices: A Systematic Review and Meta-Analysis
title_sort	effectiveness of hearing protection devices: a systematic review and meta-analysis
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8fea7e39b6de401abb68637cfa17579d
work_keys_str_mv	AT chanbeomkwak theeffectivenessofhearingprotectiondevicesasystematicreviewandmetaanalysis AT woojaehan theeffectivenessofhearingprotectiondevicesasystematicreviewandmetaanalysis AT chanbeomkwak effectivenessofhearingprotectiondevicesasystematicreviewandmetaanalysis AT woojaehan effectivenessofhearingprotectiondevicesasystematicreviewandmetaanalysis
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The Effectiveness of Hearing Protection Devices: A Systematic Review and Meta-Analysis

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