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Randomized Controlled Trial
. 2024 Jul 1;79(7):glae117.
doi: 10.1093/gerona/glae117.

Hearing Impairment and Physical Activity and Physical Functioning in Older Adults: Baseline Results From the ACHIEVE Trial

Affiliations
Randomized Controlled Trial

Hearing Impairment and Physical Activity and Physical Functioning in Older Adults: Baseline Results From the ACHIEVE Trial

Yurun Cai et al. J Gerontol A Biol Sci Med Sci. .

Abstract

Background: Hearing loss is associated with restricted physical activity (PA) and impaired physical functioning, yet the relationship between severity of hearing impairment (HI) and novel PA measures in older adults with untreated HI is not well understood.

Methods: Analyses included 845 participants aged ≥70 years (mean = 76.6 years) with a better-hearing ear pure-tone average (PTA) ≥30 and <70 dB in the Aging and Cognitive Health Evaluation in Elders (ACHIEVE) study who wore an ActiGraph accelerometer for 7 days. Physical functioning measures included grip strength and the Short Physical Performance Battery (SPPB). Linear regression models estimated the association by HI level (moderate or greater [PTA ≥ 40 dB] vs mild [PTA < 40 dB]) and continuous hearing with total daily activity counts, active minutes/day, activity fragmentation, grip strength, and gait speed. Logistic regression models estimated odds ratios (ORs) and 95% confidence intervals (CIs) of poor performance on the SPPB (≤6) and its subtests (≤2). Mixed-effects models estimated differences by HI level in activity by time of day.

Results: Participants with moderate or greater HI had poorer physical functioning, particularly balance (OR = 2.17, 95% CI = 1.29-3.67), versus those with mild impairment. There was no association of HI level with activity quantities or fragmentation. For diurnal patterns of activity, participants with moderate or greater HI had fewer activity counts in the afternoon (12:00 pm -05:59 pm).

Conclusions: Older adults with worse hearing had shifted diurnal patterns and poorer balance performance. Exercise programs should be tailored to older adults with different levels of HI to maintain PA and physical functioning, particularly balance control.

Keywords: Accelerometry; Activity fragmentation; Balance performance; Diurnal patterns; Hearing loss.

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Conflict of interest statement

F.R.L. reports being a consultant to Frequency Therapeutics and Apple and being the director of a public health research center funded in part by a philanthropic gift from Cochlear Ltd to the Johns Hopkins Bloomberg School of Public Health. J.F.B. is entitled to equity and future royalties in MiDiagnostics. A.A.W., F.R.L., and J.A.S. currently serve on the editorial board of The Journals of Gerontology, Series A: Biological Sciences and Medical Sciences (JGMS). The other authors have no conflict of interest to declare.

Figures

Figure 1.
Figure 1.
Means of physical activity and physical function variables by hearing impairment. Independent t tests for physical activity, gait speed, and grip strength. Mann–Whitney tests for actigraph valid days and SPPB (Short Physical Performance Battery) total and subscores. *p < .01. **p < .001.
Figure 2.
Figure 2.
Smoothed 24-hour median activity counts per minute comparing participants with mild and moderate hearing impairment. Loess smooth method with a span of 0.2 was used for the figure.

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