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Hörsel- och bullerdata från svenska förskolor

pDPOAE and Noise Exposure in Swedish Preschools
https://doi.org/10.5878/kp2z-2239
This dataset contains anonymised measurements of hearing function and noise exposure among children in Swedish preschools. Data collection involved two types of objective measurements: Pressurised Distortion Product Otoacoustic Emissions (pDPOAE) as an indicator of cochlear function. Noise exposure measurements using personal dosimeters that recorded A-weighted sound levels during preschool attendance. No tympanometry data are included in the dataset, but tympanometric screening was used as a quality control criterion for inclusion of DPOAE results. The dataset includes the following variables: Anonymised participant ID Measurement timing (morning/afternoon, beginning/end of the week) LAeqTi (equivalent continuous A-weighted sound level over the measurement interval) LAFmax95 (95th percentile of maximum A-weighted sound pressure level) DPOAE amplitudes for the right and left ears at 3–8 kHz, quality controlled according to predefined criteria Variable definitions, units, and coding schemes are provided in the accompanying codebook.
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Citation and access

Access level:

Creator/​Principal investigator(s):

Research principal:

Data contains personal data:

No

Citation:

Language:

Method and outcome

Unit of analysis:

Population:

Children aged 4 to 6 years enrolled in municipal preschools in western Sweden. The population includes typically developing children without known hearing impairments, participating in regular preschool activities during the data collection period.

Time method:

Description of sampling:

Children aged 4–6 years were recruited from participating Swedish preschools as part of a field study on noise exposure and hearing function. Preschools were selected to reflect a variety of physical layouts, group sizes, and noise conditions. Within each preschool, all children in the relevant age group were invited to participate. Inclusion was based on parental consent and the child's ability to comply with the measurement procedures. No stratification or randomisation was applied. The sample is thus a convenience sample with ecological validity, reflecting naturalistic variation in preschool settings.

Time period(s) investigated:

Variables:

18

Number of individuals/​objects:

100

Response rate/​participation rate:

34.7%

Description of the response rate/​participation rate:

Out of 288 invited participants, informed consent was obtained for 100 children (participation rate: 34.7 %). Of these, 75 children were included in the dosimetry analyses, and 56 were included in the analysis of cochlear function (pDPOAE). Inclusion was based on data quality and completeness.

Data format/​data structure:

Data collection Fysiska mätningar och tester

Mode of collection:

Fysiska mätningar och tester

Description of the mode of collection:

Hörseldata samlades in via pressurised distortion product otoakustiska emissioner (pDPOAE), genomförda i förskolemiljö med portabel utrustning. Ljudnivåexponering mättes med personburna dosimetrar (Svantek SV104) som barnen bar under hela eller delar av förskolevistelsen. Mätningarna genomfördes av utbildad personal enligt standardiserade protokoll. Datakvalitet säkerställdes genom tympanometrisk screening, tillämpning av tröskelvärden för amplitud och signal-brus-förhållande, samt tillförlitlighetsindikatorer från instrumenten.

Time period(s) for data collection:

2022-10-10 - 2024-05-15

Data collector:

Instrument

Name:

Interacoustics Titan

Type:

Tekniskt/-a instrument

Description of the instrument:

Användes för att mäta distortion product otoakustiska emissioner (pDPOAE) med trycksatt prob och automatiserad tympanometrisk screening. Mätningarna genomfördes med stimuli enligt 2f1–f2-protokoll, med nivåförhållandet L1/L2 = 65/55 dB SPL och frekvensförhållande f2/f1 = 1.22. Endast mätningar som uppfyllde kvalitetskriterier inkluderades: tympanometri inom –150 till +50 daPa, ≥80 % tillförlitlighet enligt instrumentets interna algoritm, amplitud > –10 dB SPL och signal-brus-förhållande > 6 dB.

Name:

Svantek SV104 personal dosimeter

Type:

Tekniskt/-a instrument

Description of the instrument:

Användes för att mäta A-vägda ljudnivåer (LAeqTi, LAFmax95) under barnens tid i förskolan. Loggningsintervall: 1 sekund.

Geographic coverage

Geographic location:

Geographic description:

The dataset from the 2022–2024 period comprises 15 preschool departments in Gothenburg, Sweden, distributed across four major city districts: Centrum (n = 4), Hisingen (n = 3), Nordost (n = 3), and Sydväst (n = 2). The selection includes preschools located in both central and peripheral parts of the city, such as Örgryte-Härlanda, Norra Hisingen, Angered, Kortedala, Frölunda, and Askim-Hovås. This geographical diversity enables analysis of contextual and acoustic conditions across varied preschool environments.

Administrative information

Responsible department/​unit:

School of Public Health and Community Medicine, Institute of Medicine

Contributor(s):

Ethical Review

Reviewer:

Registration number:

2019-03412

Funding

Funding agency:

Award number:

2020-00323

Funding agency:

Award number:

FB24-0023

Topic and keywords

CESSDA topic classification:

Swedish Standard Classification of Research Subjects 2025:

Keywords:

Publications

Citation:

Sandström, L., Fredriksson, S., Mäki-Torkko, E., Ögren, M., Fels, J., & Persson Waye, K. (2025). Short-Term Impact of Preschool Sound Exposure on Outer Hair Cell Function in Young Children: An Analysis Using Pressurised Distortion Product Otoacoustic Emissions. PLOS ONE. https://doi.org/10.1371/journal.pone.0332863

Metadata

Version 1
doris
gu_en
Version 1 published: