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  1. Mukari SZMS, Wan Hashim WF
    Ann Otol Rhinol Laryngol, 2018 Nov;127(11):798-805.
    PMID: 30139270 DOI: 10.1177/0003489418795982
    INTRODUCTION: The aims of this study were to examine the validity of self-perceived hearing loss in detecting hearing loss and factors associated with self-perceived hearing loss and hearing-help seeking and to report hearing aid adoption among a group of community-dwelling older adults in Malaysia.

    METHODS: A total of 301 older adults (⩾60 years of age) participating in a study on aging had their hearing tested using pure-tone audiometry. Self-perceived hearing loss was assessed using a single question. Sociodemographic profile, otologic history, and general cognitive status were also obtained.

    RESULTS: A single question had low sensitivity in detecting actual hearing loss: 31.3% for 4-frequency average > 25 dBHL and 48.8% for 4-frequency average > 40 dBHL. Besides hearing level, history of otorrhea and tinnitus were factors that were associated with self-perceived hearing loss among older adults with at least mild hearing loss. Hearing-help-seeking behavior was not associated with any of the tested variables. The hearing aid adoption rate was 2.7% and 7.3% among participants with 4-frequency averages > 25 dBHL and > 40 dBHL, respectively.

    CONCLUSION: The underestimation of hearing loss in the majority of older adults in this study poses a potential barrier to hearing loss intervention.

  2. Mukari SZMS, Yusof Y, Ishak WS, Maamor N, Chellapan K, Dzulkifli MA
    Braz J Otorhinolaryngol, 2018 12 10;86(2):149-156.
    PMID: 30558985 DOI: 10.1016/j.bjorl.2018.10.010
    INTRODUCTION: Hearing acuity, central auditory processing and cognition contribute to the speech recognition difficulty experienced by older adults. Therefore, quantifying the contribution of these factors on speech recognition problem is important in order to formulate a holistic and effective rehabilitation.

    OBJECTIVE: To examine the relative contributions of auditory functioning and cognition status to speech recognition in quiet and in noise.

    METHODS: We measured speech recognition in quiet and in composite noise using the Malay Hearing in noise test on 72 native Malay speakers (60-82 years) older adults with normal to mild hearing loss. Auditory function included pure tone audiogram, gaps-in-noise, and dichotic digit tests. Cognitive function was assessed using the Malay Montreal cognitive assessment.

    RESULTS: Linear regression analyses using backward elimination technique revealed that had the better ear four frequency average (0.5-4kHz) (4FA), high frequency average and Malay Montreal cognitive assessment attributed to speech perception in quiet (total r2=0.499). On the other hand, high frequency average, Malay Montreal cognitive assessment and dichotic digit tests contributed significantly to speech recognition in noise (total r2=0.307). Whereas the better ear high frequency average primarily measured the speech recognition in quiet, the speech recognition in noise was mainly measured by cognitive function.

    CONCLUSIONS: These findings highlight the fact that besides hearing sensitivity, cognition plays an important role in speech recognition ability among older adults, especially in noisy environments. Therefore, in addition to hearing aids, rehabilitation, which trains cognition, may have a role in improving speech recognition in noise ability of older adults.

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