OBJECTIVE: Detailed information on the hearing threshold levels (HTLs) of young Australians was gathered as part of a large-scale study of the relationship between HTL and leisure-noise exposure in young Australians. DESIGN: HTL data for the study population (18-35 year olds) was carefully collected, as well as otoscopy, tympanometry, contra-lateral acoustic reflexes, and otoacoustic emissions (transient and distortion product), together with a comprehensive hearing health history - both past and present. STUDY SAMPLE: The sample cohort consisted of 1407 individuals, females and males. RESULTS: Prior to analysis, HTL data were filtered according to both a 'Low' and 'High' set of exclusion criteria. The results obtained for both high-screen and low-screen datasets were around +5 dB above the traditionally accepted values of audiometric zero. This is consistent with previous published reports. CONCLUSION: Comparison with 'ISO 7029 Acoustics: Statistical distribution of hearing thresholds as a function of age' indicated that threshold values for this dataset have a similar distribution to those of the Standard. This data provides a suitable reference HTL ('normative') database for young Australians.
OBJECTIVE: Detailed information on the hearing threshold levels (HTLs) of young Australians was gathered as part of a large-scale study of the relationship between HTL and leisure-noise exposure in young Australians. DESIGN: HTL data for the study population (18-35 year olds) was carefully collected, as well as otoscopy, tympanometry, contra-lateral acoustic reflexes, and otoacoustic emissions (transient and distortion product), together with a comprehensive hearing health history - both past and present. STUDY SAMPLE: The sample cohort consisted of 1407 individuals, females and males. RESULTS: Prior to analysis, HTL data were filtered according to both a 'Low' and 'High' set of exclusion criteria. The results obtained for both high-screen and low-screen datasets were around +5 dB above the traditionally accepted values of audiometric zero. This is consistent with previous published reports. CONCLUSION: Comparison with 'ISO 7029 Acoustics: Statistical distribution of hearing thresholds as a function of age' indicated that threshold values for this dataset have a similar distribution to those of the Standard. This data provides a suitable reference HTL ('normative') database for young Australians.
Authors: Julia Smith; Jing Wang; Anneke C Grobler; Katherine Lange; Susan A Clifford; Melissa Wake Journal: BMJ Open Date: 2019-07-04 Impact factor: 2.692
Authors: Hong Ju Park; Myung Hoon Yoo; Sun Young Baek; Seon Woo Kim; Yang-Sun Cho Journal: Clin Exp Otorhinolaryngol Date: 2016-07-28 Impact factor: 3.372