Population Prevalence of Motor Function Impairments in US Older Adults: The National Health and Aging Trends Study
2024

Prevalence of Motor Function Impairments in Older Adults

Sample size: 5055 publication Evidence: moderate

Author Information

Author(s): Davoudi Anis, Wang Hang, Dougherty Ryan, Wanigatunga Amal, Gross Alden, Schrack Jennifer

Primary Institution: Johns Hopkins University

Hypothesis

There is a significant research gap concerning comprehensive, nationally representative data on the prevalence of motor function impairments in older adults.

Conclusion

The study found that the prevalence of motor function impairments increases with age, highlighting the need for early intervention.

Supporting Evidence

  • Weighted prevalence of impairments increased with advancing age.
  • Chair stand impairment was most prevalent among those aged 65-69 years.
  • Gait speed impairment was most prevalent among those aged 90 years and older.
  • 11.8% of those aged 65-69 years were impaired in all four motor function domains.
  • 64.0% of those aged 90 years and older were impaired in all four motor function domains.

Takeaway

As people get older, they often have more trouble with things like walking and standing up, which can make life harder for them.

Methodology

Data from Round 12 of the National Health and Aging Trends Study was used to assess motor function through objective physical function testing.

Limitations

The study may not capture all aspects of motor function impairments and relies on specific clinical thresholds.

Participant Demographics

Mean age of participants was 78.7 years, with 54.4% being women.

Statistical Information

Confidence Interval

78.3-79.1

Digital Object Identifier (DOI)

10.1093/geroni/igae098.1195

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