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Hearing loss and physical function in the general population: A cross-sectional study.

Kaori Daimaru¹, Yukiko Wagatsuma²

¹Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan.

|October 7, 2022

Summary

Maintaining physical function is linked to better hearing in women. This study found that higher physical function, including handgrip strength and lung capacity, was associated with less hearing loss in females, highlighting the importance of physical health for auditory acuity.

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Area of Science:

Public Health
Audiology
Gerontology

Background:

Hearing loss is a significant public health issue.
Physical function may play a role in maintaining hearing acuity.
Understanding this relationship is crucial for preventative strategies.

Purpose of the Study:

To investigate the association between hearing loss and physical function in the general population.
To explore potential sex differences in this relationship.

Main Methods:

Cross-sectional study of 4766 health checkup participants in Japan.
Pure-tone audiometry used to assess hearing loss (>30 dB at 1 kHz or >40 dB at 4 kHz).
Physical function assessed via handgrip strength, vital capacity (VC), and forced expiratory volume in one second (FEV1).
Multivariable logistic regression adjusted for age, BMI, and smoking status.

Main Results:

Prevalence of hearing loss was 12.8%.
In females, higher handgrip strength, VC, and FEV1 were significantly associated with lower odds of hearing loss.
No significant associations were found between physical function and hearing loss in males.

Conclusions:

Higher physical function is associated with a lower prevalence of hearing loss in females.
Maintaining physical function may be important for hearing health in women.
Further research is needed to understand sex differences in the physical function-hearing loss relationship.