Effects of a Physical Therapist Intervention on GPS Indicators of Community Mobility in Older Adults: A Secondary Analysis of a Randomized Controlled Trial

Author:

Dunlap Pamela M1ORCID,Crane Breanna M2,Perera Subashan3,Moored Kyle D2,Carlson Michelle C2,Brach Jennifer S1,Klatt Brooke N1,Rosso Andrea L4

Affiliation:

1. Department of Physical Therapy, University of Pittsburgh , Pittsburgh, Pennsylvania , USA

2. Department of Mental Health, Johns Hopkins Bloomberg School of Public Health , Pittsburgh, Pennsylvania , USA

3. Division of Geriatric Medicine and Department of Biostatistics, University of Pittsburgh , Pittsburgh, Pennsylvania , USA

4. Department of Epidemiology, University of Pittsburgh , Pittsburgh, Pennsylvania , USA

Abstract

Abstract Objective The authors compared the effects of a standard strength and endurance intervention with a standard plus timing and coordination training intervention on community mobility measured using global positioning systems (GPS) among community-dwelling older adults in this secondary analysis of a randomized controlled trial. Methods Participants were randomized to a standard or a standard plus timing and coordination training program. Community mobility was measured using the Life Space Assessment (LSA) and GPS indicators of community mobility at baseline, as well as at 12 (immediately after the intervention), 24, and 36 weeks. Linear mixed models were used for analysis. Results There were 166 participants with GPS data at baseline, including 81 in the standard plus group and 85 in the standard group. The groups did not differ in participant characteristics or GPS measures at baseline. There were no significant within-group changes in GPS indicators of community mobility or LSA score over time, nor between-group differences of the same. Conclusion There were no significant changes in community mobility with either intervention or between-intervention differences. These findings suggest that interventions targeting physical function alone may not be sufficient to improve community mobility or participation in older adults. Future research should focus on the development of multifaceted interventions targeted to improve real-world participation. Impact The studied interventions did not significantly change community mobility measured using GPS-derived community mobility measures or self-report measures in older adults, suggesting that more comprehensive interventions may be needed to target improvements in community mobility.

Funder

National Institutes of Health

University of Pittsburgh

Publisher

Oxford University Press (OUP)

Subject

Physical Therapy, Sports Therapy and Rehabilitation

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