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Original Article

Hearing loss prevalence and risk factors among older adults in China

, , , , , , & show all
Pages 354-359 | Received 16 Sep 2016, Accepted 28 Dec 2017, Published online: 05 Feb 2018
 

Abstract

Objective: This study aims to investigate the prevalence of hearing loss, and to analyse the major demographics and risk factors that influence the prevalence in older adults of China. Design: Cross-sectional investigation. Study sample: Probability proportionate to size sampling (PPS) was adopted for this survey. Among 45,052 individuals, 6984 older adults (≥60 years) were selected as subjects for this study. Results: The prevalence of hearing loss defined as a speech frequency pure tone average of more than 25 dB HL in the better ear was 58.85%. Age and gender were the factors most strongly associated with hearing loss after multivariate adjustment. Ear disease, diabetes, hypertension, atherosclerosis, noise exposure, and ototoxic drugs were significantly correlated with hearing loss. The largest effects were found for ear disease and noise exposure (OR = 2.83 [95% CI: 2.43–3.29]; OR = 2.59 [95% CI: 1.80–3.72]). Conclusions: Hearing loss is prevalent in nearly two thirds of adults aged 60 years and older in China population. Chronic diseases, ear disease, and noise are important factors in adults aged 60 years and older.

Declaration of interest

The authors declare no competing financial interests.

This study was supported by “The theoretical and practical research project of China Disabled Persons’ Federation (2014–2015) (No. 2014&ZZ028)”.

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