About this trial
The goal of this randomized controlled trial is to investigate the effectiveness of a health-coaching intervention to improve physical activity in older adults with limited mobility when compared to a control, health education group.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
scored ≤ 9/12 on the SPPB
are able to complete the 400-m walk in ≤ 15 minutes without sitting or physical assistance from another person or walker (use of cane is acceptable)
scored 22/30 or higher on the Mini-Mental State Examination (MMSE)
have no significant functional impairment as indicated by a score of 6/8 or higher on the Lawton and Brody Instrumental Activities of Daily Living Scale
Disqualifiers
are diagnosed with dementia or stroke
self-report engaging in MVPA ≥ 10 minutes per week in the prior 3 months
are unable to understand, speak, and read English proficiently
Trial design
Parallel
Treatments tested in this trial
Health Coaching Program
BehavioralThe HC program will be delivered over 26-weeks. Participants will have an initial hour-long HC session where the BAP coach will conduct a brief physical assessment and work with the participant to establish their physical activity goals and develop a plan. After the initial consult, coaches will conduct 8 x 20-minute phone calls with participants over the 26-week trial decreasing from bi-weekly phone calls in weeks 1-12 to monthly phone calls in weeks 13-26. Participants in the HC group will have an overall goal of increasing their weekly participation in moderate to vigorous physical activity by 50 minutes, via 5-, 7-, or 10-minute bouts of progressive exercises, at a rate of perceived exertion range of 13-14 ("somewhat hard") by week 16. Participants will have access to specific exercise sessions made available by YouTube and/or hardcopy manuals created by the research team.
Health Education Program
BehavioralParticipants will begin with a one-hour, group-based, interactive education session on falls prevention delivered either in-person or by Zoom. Following the initial education session, ED participants will receive additional group education sessions (in-person or by Zoom) with the same duration and schedule as the HC program covering a variety of healthy aging topics.
Treatment groups
Trial outcomes
Primary outcomes
Mobility
Measured by the Short Physical Performance Battery (SPPB)
Secondary outcomes
Physical activity
Time spent moderate to vigorous physical activity and sedentary time measured by accelerometer.
Self reported physical activity
Measured by the Community Health Activities Model Program for Seniors (CHAMPS) Physical Activity Questionnaire for Older Adults.
Gait speed
Measured during the 4-m walk
Capacity to complete the 400-m walk in ≤ 15 minutes
measured as yes or no
Sponsors and contacts
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University of British Columbia
Lead sponsor
Canadian Institutes of Health Research (CIHR)
Collaborator