Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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ENROLLING_BY_INVITATION
NA
40 participants
INTERVENTIONAL
2024-07-31
2026-07-01
Brief Summary
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Detailed Description
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After participants consent to the study, they will be invited to take the baseline survey, and get assistance with study account set-ups (Garmin, GroupMe). Researchers will handle account set ups. Participants will be asked to download both apps and sign into the apps with the study provided accounts. Many individuals may have GroupMe accounts and will be asked to make a profile for their buddy chat with whatever name they prefer (able to hide their real name if preferred). Baseline measures will last for 2 weeks. And then the 6-week intervention will begin.
All consented participants will receive a 6-week intervention. The study is a 2x2 factorial design with 4 different group. We will be assessing the length of snacktivities (1 minute versus 4 minutes) as well as frequency of snacktivities through the day (1 per day versus 4 per day). Therefore, participants will be randomized into 4 groups: One 1-minute snacktivity per day, four 1-minute snacktivities per day, one 4-minute snacktivity per day, or four 4-minute snacktivities per day.
The intervention will consist of the following empirically supported components shown to promote engagement, adherence, and behavior change:
1. Self-monitoring of activity: Participants will be instructed to timestamp and track their snacktivities each day using their phone. Each participant will receive bracelets (1 or 4) that can used to track progress. For example, participants will be taught how they can move the bracelets from one arm to the other to act as a visual aid of how many snacktivities they have done each day.
2. Nightly reporting: Participants will be sent nightly texts to track progress on snacktivities as well as productivity, alertness, and physical energy.
3. Weekly progress reports and tailored feedback: Each week of completion the participant will get a report of their adherence to the protocol for that week and their goals for next week. Embedded in the progress report will be a link for an interactive action plan survey to plan next week's exercises; the action plan is personalized, and incorporates motivational interviewing and problem-solving strategies. Action planning has high acceptability and is identified as an effective behavioral technique that enhances self-monitoring.
4. Relatable modeling: Social modeling theory supports the use of relatable models representing the learner in behavior change and motivation. Dr. Oppezzo's previous work showed high acceptability when the exercise video models were representative of a diverse -body, -ethnicity, and -aged population. Each snacktivity instructional video will feature diverse models performing the moves in work clothes.
5. Barrier problem solving: At baseline, study team members will work with participants to identify a feasible, safe, and comfortably private workday location for performing the activity breaks.
6. Peer support: participants will be assigned a peer buddy who will act as a health-buddy motivational coach. This person will be in a private group-chat with their designated buddy (another participant) and our study account. The study account will monitor conversation and give motivational prompts, when needed, to boost conversation amongst the 2 buddies.
During the maintenance phase (after the intervention phase and lasting 6 months), participants will take part in booster sessions. The first 2 booster sessions will be completed every month, and the following 2 booster sessions will be completed every 6 weeks, following a scaffolded design to ease participants off of the program.
During the follow-up, investigators will collect behavioral data only via zoom. At the end of the study, we will conduct semi-structured interviews on study experience.
Conditions
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Study Design
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RANDOMIZED
FACTORIAL
PREVENTION
NONE
Study Groups
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1 x 1 minute Exercise Snack / Day
Participants will be assigned a daily goal of 1, 1-minute exercise snack to break up prolonged sitting.
Daily Exercise Snacks
Participants will be encouraged to break up prolonged sitting at work with brief, high-intensity exercise snacks of varying length / total number depending on condition assignment.
1 x 4 Exercise Snack / Day
Participants will be assigned a daily goal of 1, 4-minute exercise snack to break up prolonged sitting.
Daily Exercise Snacks
Participants will be encouraged to break up prolonged sitting at work with brief, high-intensity exercise snacks of varying length / total number depending on condition assignment.
4x1 Exercise Snacks / Day
Participants will be assigned a daily goal of 4, 1-minute exercise snack to break up prolonged sitting.
Daily Exercise Snacks
Participants will be encouraged to break up prolonged sitting at work with brief, high-intensity exercise snacks of varying length / total number depending on condition assignment.
4x4 Exercise Snacks/Day
Participants will be assigned a daily goal of 4, 4-minute exercise snack to break up prolonged sitting.
Daily Exercise Snacks
Participants will be encouraged to break up prolonged sitting at work with brief, high-intensity exercise snacks of varying length / total number depending on condition assignment.
Interventions
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Daily Exercise Snacks
Participants will be encouraged to break up prolonged sitting at work with brief, high-intensity exercise snacks of varying length / total number depending on condition assignment.
Eligibility Criteria
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Inclusion Criteria
* English speaking
* Sedentary job with 90% of the work day sitting
* Not currently taking regular activity breaks at work
Exclusion Criteria
* Currently doing another worksite physical activity intervention
30 Years
FEMALE
Yes
Sponsors
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Stanford University
OTHER
Responsible Party
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Marily Ann Oppezzo
Instructor of Medicine, Stanford Prevention Research Center
Principal Investigators
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Marily Oppezzo, PhD
Role: PRINCIPAL_INVESTIGATOR
Stanford University
Locations
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Stanford University School of Medicine
Stanford, California, United States
Countries
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Other Identifiers
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73468
Identifier Type: -
Identifier Source: org_study_id
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