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Audiometric screening of a population with intellectual disability

Journal article
Authors E. Andersson
S. Arlinger
Lennart Magnusson
E. Hamrin
Published in International Journal of Audiology
Volume 52
Issue 1
Pages 50-6
ISSN 1708-8186 (Electronic) 1499-2027 (Linking)
Publication year 2013
Published at
Pages 50-6
Language en
Subject categories Health Sciences

Abstract

Abstract Objective: Evaluation of pure-tone audiometry (PTA) in hearing screening of a population with mild to profound intellectual disability (ID). Design: PTA was performed at six frequencies at the screening level 20 dB HL. Referral criteria were threshold levels >/= 25 dB HL at two or more frequencies for one ear or both. Study sample: 1478 participants aged 7-91 years were included. Results: 1470 (99.5%) people cooperated in screening of which 1325 (90%) could be tested on both ears at all six frequencies. A majority, 987 (66.8%), performed ordinary PTA, 234 (15.8%) conditioned play audiometry, and 249 (16.9%) behavioural observation audiometry. Six hundred and sixty-nine (45%) passed and 809 (55%) failed according to referral criteria. Of those failing, 441 (54.5%) accepted referral to clinical evaluation. Conclusions: PTA with slight modifications is applicable for screening of a population with mild to profound intellectual disability. The most challenging and time-consuming activity is to introduce the test procedure in a way that reduces anxiety and establishes trust.

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