Association between Walking Speed and Age in Healthy, Free-Living Individuals Using Mobile Accelerometry—A Cross-Sectional Study
2011

Walking Speed and Age in Healthy Individuals

Sample size: 358 publication 10 minutes Evidence: high

Author Information

Author(s): Schimpl Michaela, Moore Carmel, Lederer Christian, Neuhaus Anneke, Sambrook Jennifer, Danesh John, Ouwehand Willem, Daumer Martin

Primary Institution: Sylvia Lawry Centre for Multiple Sclerosis Research e.V.

Hypothesis

Does walking speed decline with age in healthy individuals?

Conclusion

The study found that walking speed decreases with age in healthy individuals, as measured by mobile accelerometry.

Supporting Evidence

  • Walking speed was validated in a separate dataset showing a decrease of −0.0037 m/s per year.
  • Associations between walking speed and other characteristics like gender and BMI were non-significant.
  • The study highlights the potential of mobile accelerometry for assessing gait parameters.

Takeaway

As people get older, they tend to walk slower. This study used a special device to measure walking speed in everyday life.

Methodology

Participants wore a mobile accelerometer for 7 days to measure walking speed and other physical characteristics.

Potential Biases

Potential bias due to the specific population of blood donors and the effects of blood donation on physical activity.

Limitations

Participants were blood donors, which may not represent the general population.

Participant Demographics

Median age of 49 years, 45% women, median BMI of 26.

Statistical Information

P-Value

0.004

Confidence Interval

−0.0055 to −0.0016 m/s per year

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023299

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication