Validity of the National Acoustic Laboratories procedure for determining percentage loss of hearing

Abstract Objective: To evaluate the validity of the National Acoustic Laboratories procedure for determining percentage loss of hearing as a measure of hearing disability. Design: The percentage hearing losses of war veterans who had hearing ranging from normal to profound deafness were determined a...

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Bibliographic Details
Published in:International journal of audiology 2012-12, Vol.51 (12), p.932-935
Main Author: Macrae, John H.
Format: Article
Language:English
Subjects:
Acoustic Stimulation
Adult
Aged
Aged, 80 and over
Audiometry, Pure-Tone
Auditory Threshold
Disability
Disability Evaluation
Hearing
Hearing disability
Hearing impairment
Hearing Loss - diagnosis
Hearing Loss - physiopathology
Hearing Loss - psychology
hearing measurement scale
hearing questionnaire
Humans
Laboratories
Male
Measurement
Middle Aged
percentage loss of hearing
Predictive Value of Tests
Reproducibility of Results
Self Report - standards
Severity of Illness Index
Speech Perception
Surveys and Questionnaires - standards
Veterans
Veterans Health
Young Adult
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Summary:Abstract Objective: To evaluate the validity of the National Acoustic Laboratories procedure for determining percentage loss of hearing as a measure of hearing disability. Design: The percentage hearing losses of war veterans who had hearing ranging from normal to profound deafness were determined and compared with their scores on two hearing questionnaires. Study sample: A self-report hearing questionnaire was completed by 282 war veterans and 154 of those veterans were given the hearing measurement scale in the form of a structured interview. Results: A percentage loss of hearing of 0 agreed well with the questionnaire scores representing the limit of normal hearing, and a percentage loss of hearing of 100 agreed well with the questionnaire scores representing total loss of hearing. Percentage loss of hearing accounted for 83% of the variance in scores on the hearing questionnaire and 81% of the variance in scores on the hearing measurement scale. Conclusion: The National Acoustic Laboratories procedure for determining percentage loss of hearing provides a valid measure of hearing disability.
ISSN:1499-2027
1708-8186
DOI:10.3109/14992027.2012.727102