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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
arts and humanities
Validity of diagnostic pure-tone audiometry without a sound-treated environment in older adults
International Journal of Audiology, Volume 52, No. 2, Year 2013
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Description
Objective: To investigate the validity of diagnostic pure-tone audiometry in a natural environment using a computer-operated audiometer with insert earphones covered by circumaural earcups incorporating real-time monitoring of environmental noise. Design: A within-subject repeated measures design was employed to compare air (250 to 8000 Hz) and bone (250 to 4000 Hz) conduction pure-tone thresholds, measured in retirement facilities, with thresholds measured in a sound-treated booth. Study sample: One hundred and forty-seven adults (average age 76 ± 5.7 years) were evaluated. Pure-tone averages were ≥ 25 dB in 59%, mildly (> 40 dB) elevated in 23%, and moderately (> 55 dB) elevated in 6% of ears. Results: Air-conduction thresholds (n = 2259) corresponded within 0 to 5 dB in 95% of all comparisons between the two test environments. Bone-conduction thresholds (n = 1669) corresponded within 0 to 5 dB in 86% of comparisons. Average threshold differences (- 0.6 to 1.1) and standard deviations (3.3 to 5.9) were within typical test-retest reliability limits. Thresholds recorded showed no statistically significant differences (paired samples t-test:p > 0.01) except at 8000 Hz in the left ear. Conclusion: Valid diagnostic pure-tone audiometry can be performed in a natural environment with recently developed technology, offering the possibility of access to diagnostic audiometry in communities where sound-treated booths are unavailable. © 2013 British Society of Audiology, International Society of Audiology, and Nordic Audiological Society.
Authors & Co-Authors
Maclennan-Smith, Felicity
South Africa, Pretoria
University of Pretoria
Swanepoel, De Wet
South Africa, Pretoria
University of Pretoria
United States, Richardson
The University of Texas at Dallas
Australia, Perth
The University of Western Australia
Australia, Perth
Ear Science Institute Australia
Hall, James W.
South Africa, Pretoria
University of Pretoria
Statistics
Citations: 68
Authors: 3
Affiliations: 4
Identifiers
Doi:
10.3109/14992027.2012.736692
ISSN:
14992027
e-ISSN:
17088186
Research Areas
Environmental
Health System And Policy