Predictors of Hearing Loss Associated with Aging from a Longitudinal Study of Japanese Community Dwellers

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  • Uchida Yasue
    Department of Otorhinolaryngology, Aichi Medical University Department of Otorhinolaryngology, National Center for Geriatrics and Gerontology
  • Sugiura Saiko
    Department of Otorhinolaryngology, National Center for Geriatrics and Gerontology
  • Suzuki Hirokazu
    Department of Otorhinolaryngology, National Center for Geriatrics and Gerontology
  • Ueda Hiromi
    Department of Otorhinolaryngology, Aichi Medical University
  • Sone Michihiko
    Departments of Otorhinolaryngology, Nagoya University Graduate School of Medicine
  • Nakashima Tsutomu
    Department of Otorhinolaryngology, National Center for Geriatrics and Gerontology Departments of Otorhinolaryngology, Nagoya University Graduate School of Medicine Ichinomiya Medical Treatment and Habilitation Center

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Other Title
  • 一般地域住民を対象とした難聴発生を予測する因子の縦断的検討
  • イッパン チイキ ジュウミン オ タイショウ ト シタ ナンチョウ ハッセイ オ ヨソク スル インシ ノ ジュウダンテキ ケントウ

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Abstract

<p>　Modifiable risk factors to reduce the incidence of age-related hearing loss remain undetermined. This study was aimed at identifying predictors of hearing loss with aging among middle-aged and elderly Japanese community dwellers.<br>　Data were derived from the National Institute for Longevity Sciences-Longitudinal Study of Aging. There were 1374 individuals without hearing loss or any missing data at the baseline, who participated in the follow-up study at least once and were followed for up to 10 years. The hearing impairment criterion was a better-ear pure-tone average of greater than 25dB. Cumulative data were analyzed using generalized estimating equations to investigate the factors contributing to the occurrence of hearing loss during the follow-up period. Among 24 independent variables examined, 7 were identified as being significant. Educational attainment was associated with a reduced incidence of hearing loss (multivariable adjusted odds ratio [OR]= 0.759 per 3-years increase, 95% confidence interval [CI] = 0.639-0.900) while body mass index increase was associated with an increased incidence of hearing loss (OR = 1.287 per 5kg/m2 gain, 95% CI = 1.029-1.610), consistent with previous reports. A higher total amount of physical activity was associated with a higher incidence of hearing loss (OR = 1.156 per 50METs∗min/1000/y increase, 95% CI = 1.051-1.272), a result that differed from some previous reports. In this article, we discuss our interpretation of the present results with a review of the literature.</p>

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