Clinical and Ambulatory Gait Speed in Older Adults: Associations With Several Physical, Mental, and Cognitive Health Outcomes.

Autor:	De la Cámara MÁ; Department of Physical Education, Sport and Human Movement, Faculty of Teacher Training and Education, Autonomous University of Madrid, Madrid, Spain., Higueras-Fresnillo S; Department of Physical Education, Sport and Human Movement, Faculty of Teacher Training and Education, Autonomous University of Madrid., Sadarangani KP; School of Physiotherapy, Faculty of Health Sciences, San Sebastian University, Santiago, Chile; and Universidad Autónoma de Chile, Santiago, Chile., Esteban-Cornejo I; PROFITH 'PROmoting FITness and Health through physical activity' Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical Education and Sports, Faculty of Sport Sciences, University of Granada, Granada, Spain., Martinez-Gomez D; Department of Preventive Medicine and Public Health, School of Medicine, Autonomous University of Madrid; IDIPAZ and CIBER in Epidemiology and Public Health (CIBERESP), Madrid, Spain; IMDEA Food Institute, CEI UAM + CSIC, Madrid, Spain., Veiga ÓL; Department of Physical Education, Sport and Human Movement, Faculty of Teacher Training and Education, Autonomous University of Madrid.
Jazyk:	angličtina
Zdroj:	Physical therapy [Phys Ther] 2020 Apr 17; Vol. 100 (4), pp. 718-727.
DOI:	10.1093/ptj/pzz186
Abstrakt:	Background: Although clinical gait speed may indicate health and well-being in older adults, there is a lack of studies comparing clinical tests with ambulatory gait speed with regard to several health outcomes. Objective: The objective of this study was to examine the associations of clinical gait speed, measured by the 2.44-m walk test and the ambulatory gait speed with several physical, mental, and cognitive health outcomes in older adults. Design: A cross-sectional design was used. Methods: The study population comprised 432 high-functioning, community-dwelling older adults (287 women) aged between 65 and 92 years. Clinical and ambulatory gait speeds were measured using the 2.44-m walk test and a portable gait analysis device, respectively. Multiple linear regressions were used to examine the association of clinical and ambulatory gait speeds with several health outcomes (body mass index, waist circumference, systolic and diastolic blood pressure, chronic conditions, self-rated health, exhaustion, upper- and lower-body strength, physical and mental health status, cognitive status, and self-rated cognitive status). Results: The results showed that the average gait speed for clinical and ambulatory measures cannot be directly compared. Clinical gait speed was associated with 7 health outcomes, and the ambulatory gait speed was associated with 6 health outcomes. The significant associations between measures of gait speed and the health outcomes converged in 5 of the 13 health outcomes studied; however, the strength of associations was singly different between measures. Limitations: The short monitoring time, the inability to distinguish between the ambulatory gait speed inside the home and outdoor gait speed, and the under-representative sample are limitations of the study. Conclusion: The results indicated differences in the number and strength of associations between clinical and ambulatory gait speed. Both measures have construct validity because they have been associated with physical and health outcomes; however, they may have different predictive validity. Further research should be conducted to compare their predictive validity in longitudinal designs. (© 2020 American Physical Therapy Association.)
Databáze:	MEDLINE
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