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Validity of large scale standardised behavioural screening
1Dutch Foundation for the Deaf and Hard-of-Hearing Child, Amsterdam, The Netherlands.
Acta Oto-Laryngologica. Supplementum
|January 1, 1991
Summary
This Dutch national hearing screening program effectively identifies moderate to severe sensorineural and long-standing conductive hearing loss in 9-month-old children. Standardized procedures and training are crucial for accurate detection, achieving over 85% validity.
Area of Science:
- Pediatrics
- Audiology
- Public Health
Background:
- Nation-wide hearing screening programs are essential for early detection of hearing impairments in children.
- The Netherlands implemented a comprehensive, multi-stage screening protocol for infants.
Purpose of the Study:
- To evaluate the effectiveness of a national infant hearing screening program.
- To assess the detection rates of sensorineural and conductive hearing loss.
- To validate the standardized screening procedures.
Main Methods:
- A three-stage Ewing screening protocol was administered to 9-month-old infants.
- Detailed standardization included test administration, registration, training, and guidance.
- Tympanometry was used to identify conductive hearing loss, specifically otitis media with effusion (OME).
Main Results:
- The program achieved an 86% invitation rate and 94% participation rate.
- Screening effectively identified moderate to severe sensorineural hearing loss and long-standing conductive hearing loss associated with OME.
- Test standardization and training were vital for behavioral screening accuracy, with validity parameters exceeding 85%.
Conclusions:
- The Dutch national hearing screening program demonstrates high participation and validity.
- Standardized protocols and targeted training are critical for successful infant hearing loss detection.
- The program effectively identifies significant hearing impairments in young children.