Fitbit and coaching boost activity in knee pain study
NCT ID NCT06734052
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether a health coaching program (called CAPPA) combined with a Fitbit could help employees with chronic knee pain become more physically active. Thirty-nine participants were split into two groups: one received physical activity coaching, the other received general health education. The main goal was to see if more people in the coaching group reached 150 minutes of weekly moderate-to-vigorous activity. Researchers also used Fitbit data from the first four weeks to predict who might not improve.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- health coaching plus Fitbit
- What this could lead to
- If successful, this approach could offer a simple, low-cost way to help people with chronic knee pain become more active and manage their symptoms.
- What could go wrong
- This was a small, early-stage study with only 39 participants, so results may not apply to everyone. The intervention is behavioral, so individual motivation and adherence vary widely.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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39 people
The number who actually took part.
- Started
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Aug 2024
- Finished
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Feb 2026
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Participants must be 1. Age \>/= 18 years 2. Employed at a participating workplace 3. Report pain, aching or stiffness in or around the knee over the past 12 months 4. Report chronic pain, aching or stiffness in or around knee on most days for at least a month over the past 12 months 5. Have access to a device with active internet access to view study dashboard Exclusion Criteria: Participants will be excluded if they 1. Currently meet CDC PA guidelines (per baseline accelerometer assessment) 2. Have had a joint replacement on the symptomatic side or plan to have one within the next year 3. Have serious medical conditions or impairments that, in the investigators' view, would create safety concerns in the trial such as uncontrolled hypertension (SPB\>160 or diastolic ≥ 100 mm), or symptoms of unstable cardiac or pulmonary disease in the past month ( using the 2021 Physical Activity Readiness Questionnaire for Everyone (PAR-Q+) 4. Are unable to walk 50' with or without an assistive device 5. Plan to relocate from the region within the next year 6. Have limited English literacy 7. Carry a diagnosis of inflammatory arthritis
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Marquette University
Milwaukee, Wisconsin, 53233, United States
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Other studies related to the condition(s) this trial covers.
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