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An Optimal Questionnaire Representing Slow Gait Speed(<1M/S) in Community-Dwelling Older Adults: The Korean Frailty and Aging Cohort Study (KFACS)

  • S. Lee
  • S. Kim
  • M. Kim
  • J. Yoo
  • B. Kim
  • M. Yoo
  • Chang Won WonEmail author
Article

Abstract

Objectives

This study was conducted to find an optimal questionnaire to evaluate the slow gait speed seen in community dwelling elderly.

Design

Four questions asking about difficulty in walking were compared against the measured usual gait speed. The questions were: 1) Is it difficult to walk 100 m without help? 2) Is it difficult to walk 300 m without help? 3) Is it difficult to walk around one lap of a 400-meter track without help? 4) Can you cross a crosswalk before the green on the crosswalk light turns red?

Participants

The subjects were 1479 older adults aged 70 to 84 years who had responded to the four questions and completed gait speed measuring in the first baseline year (2016) of the Korean Frailty and Aging Cohort Study.

Results

Of the four questions, “Is it difficult to walk around one lap of track (400 m) without help?” showed the highest kappa coefficient (0.357), sensitivity (0.61), and negative predictive value (0.82).

Conclusion

Based on the results of this study, the authors suggest that “Difficulty in walking around one lap of a 400-m track without help” may be the best question to use when evaluating slow gait speed.

Key words

FRAIL scale questionnaire gait speed frailty Korea 

Notes

Acknowledgments

This research was supported by a grant of the Korea Health Technology R&D Project through the Korean Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (grant number: HI15C3153)

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Copyright information

© Serdi and Springer-Verlag International SAS, part of Springer Nature 2019

Authors and Affiliations

  • S. Lee
    • 1
  • S. Kim
    • 1
  • M. Kim
    • 2
  • J. Yoo
    • 3
  • B. Kim
    • 1
  • M. Yoo
    • 1
  • Chang Won Won
    • 1
    • 4
    Email author
  1. 1.Department of Family MedicineKyung Hee University Medical CenterSeoulRepublic of Korea
  2. 2.Department of Biomedical Science and Technology, College of Medicine/East-West Medical Research InstituteKyung Hee UniversitySeoulRepublic of Korea
  3. 3.Department of Family MedicineAsan Chungmu HospitalAsanRepublic of Korea
  4. 4.Elderly Frailty Research Center, Department of Family Medicine, College of MedicineKyung Hee UniversitySeoulRepublic of Korea

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