About this trial
Our goal in this study is to further refine StandUPTV, an application designed to reduce SST in adults in our first study (ASU IRB # STUDY00012109), for the StandUPTV Habits program. This program aims to establish a non-sedentary habit triggered by an alert from the StandUPTV application after participants engage in approximately 30 minutes of SST in the evening.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Insufficiently active as defined by not meeting current US National Guidelines for Physical Activity of 150 minutes of MVPA/week (Measured by the Stanford
Leisure-Time Activity Categorical Item)
> 3 hours of SST per day
Use Android (8.0+) smartphone (8.0+ represents 95% of Android device coverage per https://apilevels.com/)
Disqualifiers
Planned relocation
Current smoker
Have a major illness (e.g., heart disease, cancer, renal disease) for which MVPA is contraindicated
Diagnosed with diabetes or gestational diabetes in the past
Trial design
Parallel
Treatments tested in this trial
Non-Sedentary Behavior Habit Formation
BehavioralAction Plans Addition to the StandUPTV platform: The StandUPTV mHealth platform will be used to assess SST and deliver behavior change components. Participants will receive a technology kit including a Fitbit Charge 4+ and Wi-Fi-enabled smart plugs. The Fitbit and smart plugs will need to be used for the entire duration of the study participation. Participants will also be assisted with establishing an action plan for a non-sedentary break from evening sedentary screen time, which will be trigger by a StandUPTV alert delivered after performing 30 minutes of evening sedentary screen time.
Sedentary Screen Time Reduction Smartphone App
BehavioralThe StandUPTV application is used to monitor and reduce sedentary screen time (SST). The StandUPTV app has three components: LOCKOUT: Electronic lockout turns off screens when a predetermined limit is reached (50% of baseline value of weekly sedentary screen time). The app also includes planning tools and personalized strategies to limit SST. TEXT: Push notification prompts provide reminders, coaching, and personalized feedback (up to 2 per day). EARN: Opportunities to earn SST by engaging in MVPA, measured in 10-minute bouts.
Treatment groups
Trial outcomes
Primary outcomes
Changes in Sedentary Screen Time
Minutes per week as measured by Stand UPTV app and activPAL
Secondary outcomes
Changes in moderate to vigorous physical activity
Minutes per week as measured by activPAL
Changes in Sleep Quality
Measured in minutes of deep sleep
Changes in Glucose Metabolism
Measured HbA1c levels
HbA1c Level
Participants continuous glucose monitoring data will be used to estimates HbA1c levels
Sponsors and contacts
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Arizona State University
Lead sponsor
California Polytechnic State University-San Luis Obispo
Collaborator
National Institutes of Health (NIH)
Collaborator
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Collaborator