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Clinical Manifestations.

Ying Chen1,2, Zaichao Wu3,4, Jie Chen3,4

  • 1Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, Shanghai, Shanghai, China.

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Summary

This study found that alcohol consumption and self-reported hearing impairment may improve hearing and cognition in older adults. Age and smoking were identified as risk factors for cognitive decline in the elderly.

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Area of Science:

  • Gerontology
  • Audiology
  • Cognitive Science

Background:

  • Age-related hearing impairment is common in the elderly and linked to cognitive decline.
  • The Chinese Hearing Solution for Improvement of Cognitive Function in Elders - Cohort (CHOICE-C) study investigates this relationship.
  • This paper details the CHOICE-C study's methodology, quality control, and initial findings.

Purpose of the Study:

  • To explore the association between hearing impairment and cognitive decline in an elderly Chinese population.
  • To present the recruitment, data management, and quality control processes of the CHOICE-C study.
  • To report baseline and first-year follow-up results regarding hearing, cognition, and related factors.

Main Methods:

  • Recruitment via community health centers, outreach, and social media campaigns.
  • Data collection included questionnaires (demographics, hearing history), Mini-Mental State Examination (MMSE), and audiological assessments (acoustic immittance, pure-tone audiometry, Speech-in-Quiet Test).
  • Multi-stage quality control measures were implemented for data reliability and accuracy.

Main Results:

  • 18,714 participants (mean age 69.6 years, 56% female) were analyzed.
  • 73% of participants exhibited hearing impairment (better-ear pure tone average > 20 dB HL).
  • Alcohol consumption and self-reported hearing impairment were associated with improved hearing and cognition; age and smoking were risk factors.

Conclusions:

  • Alcohol consumption and self-reported hearing impairment show potential links to improved hearing and cognitive function.
  • Age and smoking are identified as significant risk factors impacting hearing and cognition in the elderly.
  • Robust quality control is essential for managing large cohort data in hearing and cognition research.