Can an app plus Fitbit help COPD activity after rehab?
In a 30-person feasibility RCT, SMART-COPD plus a Fitbit was usable for some COPD patients after pulmonary rehab, but 47% withdrew—often because the tech was hard to use.
Source
The Use of a Smartphone App and an Activity Tracker to Promote Physical Activity in the Management of Chronic Obstructive Pulmonary Disease: Randomized Controlled Feasibility Study
Study at a glance
- Design
- RCT — Randomized feasibility RCT of SMART-COPD app + Fitbit vs control during pulmonary rehabilitation and 8-week maintenance
- N
- N=30 · 30 adults with COPD randomized 19:11 to SMART-COPD vs control; 47% (14/30) withdrew
- Population
- People with COPD undertaking pulmonary rehabilitation, using a smartphone app and activity tracker
- Outcome
- Feasibility/acceptability of SMART-COPD and viability of a future effectiveness RCT (questionnaires, activity, interviews)
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Can an app plus Fitbit help COPD activity after rehab?
These passages occur verbatim in the stored paper text. They support the points listed below; they do not verify every statement in the explanation.
30 participants were randomized (19 intervention, 11 control).
A total of 30 participants with COPD were randomly allocated to receive the SMART-COPD intervention (n=19) or control (n=11).
47% (14/30) withdrew from the study.
Overall, 47% (14/30) of participants withdrew from the study.
What they did
Randomized 30 people with COPD to SMART-COPD (n=19) or control (n=11), used the app and Fitbit through pulmonary rehabilitation and 8 weeks of maintenance, and collected questionnaires, activity data, and interviews.
What they found
14/30 (47%) withdrew; completers had better baseline health and more prior digital experience. Completers were generally positive and some felt activity goals were easier. Activity tracking and self-report were problematic outcomes; simplicity beat personalization.
The limits
What it doesn't show
This feasibility sample cannot prove SMART-COPD improves COPD outcomes; high dropout and messy activity measures block a simple effectiveness claim.
Key terms
- COPD
- Chronic obstructive pulmonary disease, a common smoking-related lung condition limiting daily activity.
- SMART-COPD
- Android self-management app used with a Fitbit to set and monitor physical-activity goals.
- Pulmonary rehabilitation (PR)
- Supervised exercise/education program; here the setting for introducing the app.
- mHealth
- Mobile health tools (apps, wearables) used to support self-management.
- Feasibility RCT
- Small randomized study testing whether a future effectiveness trial is practical.
- Maintenance phase
- Eight weeks after PR when participants were asked to keep using the intervention.
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Randomized N was:
Common questions
How many people were randomized?
30 (19 SMART-COPD, 11 control).
What was the withdrawal rate?
47% (14/30); difficulty using the technology was a common reason.
How long was post-PR use?
8 weeks of maintenance after pulmonary rehabilitation.
Who found it more acceptable?
People with prior digital-technology experience and better baseline health.
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