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Sample size estimation for field studies on the effects of aircraft noise on sleep

Basner, M. and Brink, M. (2013) Sample size estimation for field studies on the effects of aircraft noise on sleep. Applied Acoustics, 74, pp. 812-817. Elsevier. ISSN 0003-682X.

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Environmental noise disturbs sleep, may impair daytime performance and lead to long-term health consequences. Unbiased and precise exposure–response relationships inform the political and legislative decision making process, e.g. in the context of setting exposure limits, but up-to-date exposure–response relationships for noise-induced sleep disturbances are missing for many noise sources and countries. Sample size calculations are needed to power field studies on the effects of noise on sleep adequately, but are complicated by the fact that each investigated subject is exposed to multiple noise events (i.e., data are clustered within subjects). Using existing data of a field study on the effects of aircraft noise on polysomnographically determined awakenings and a bootstrap approach, we performed Monte Carlo simulations for the power calculations. We estimated the power of the study to find a significant effect of maximum sound pressure level and the precision of a 95% confidence interval surrounding exposure– response relationships depending on the number of investigated subjects and the number of noise events each subject will be exposed to. Functions were fit to the simulation results that can be used by researchers to conveniently power future studies on the effects of aircraft noise on sleep.

Item URL in elib:https://elib.dlr.de/84442/
Document Type:Article
Title:Sample size estimation for field studies on the effects of aircraft noise on sleep
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Journal or Publication Title:Applied Acoustics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 812-817
Keywords:Noise, Sleep, Health, Traffic, Awakening, Power, Sample
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:ATM and Operation (old)
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Human Factors and Safety in Aeronautics (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Flight Physiology
Deposited By: Sender, Alina
Deposited On:18 Oct 2013 13:10
Last Modified:06 Sep 2019 15:17

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