StandUPTV: Reducing Sedentary Screen Time in Adults
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Sedentary Behavior
- Sponsor
- Arizona State University
- Enrollment
- 110
- Locations
- 2
- Primary Endpoint
- Changes in Sedentary Screen Time
- Status
- Completed
- Last Updated
- last year
Overview
Brief Summary
The goal of this study is to develop an optimized intervention for reducing leisure sedentary screen time (SST) in middle-aged adults with overweight or obesity. Investigators will use the multiphase optimization (MOST) framework to conduct a highly efficient full-factorial experimental study to simultaneously test the main effects for each of three intervention components (LOCKOUT, TEXT, EARN) and their interactions (e.g., TEXT+EARN; LOCKOUT+EARN+TEXT) over 16 weeks.
Detailed Description
Primary Aim: To identify which component(s) from three components under consideration for inclusion in StandUPTV reduce SST by \>60 min per day per day at 16 weeks. The three components tested will be: (a) LOCKOUT (no vs. yes); (b) TEXT (no vs. yes); and (c) EARN (no vs. yes). The investigators will use a highly efficient experimental strategy to detect effects of individual components as well as all two- and three-way interactions. The secondary aim of this study is to examine how reductions in SST displace time into other active behaviors, i.e., light-intensity physical activity (LPA), moderate-to vigorous physical activity (MVPA) and activity type (e.g., housework, walking, exercise behaviors). The investigators will use both device-based (activPAL3c) and self-report (ACT24) measures to understand whether SST displacement can increase active behaviors, particularly MVPA.
Investigators
Eligibility Criteria
Inclusion Criteria
- •23-64.90 years of age
- •BMI≥25 kg/m2
- •3+ h/day of SST
- •Insufficiently active
- •Own an Apple or Android smartphone/tablet
- •Access to internet at home or unlimited data plan
- •Willing to download StandUPTV
- •Able to read/understand English
- •Willing to be randomized
Exclusion Criteria
- •Current smoker (more than once per week)
- •Major life event (e.g., move out of study area, pregnant)
- •MVPA contraindicated
- •Occupation requires media use or high amounts of physical activity
- •Drug abuse, major illness and/or psychological disorder
Outcomes
Primary Outcomes
Changes in Sedentary Screen Time
Time Frame: Baseline to 16 weeks
Minutes per day as measured by Stand UPTV app and activPAL
Secondary Outcomes
- Changes in Moderate to Vigorous Physical Activity(Baseline to16 weeks)
- Changes in Time Spent Sitting(Baseline to 16 weeks)
- Changes in Time Spent Standing(Baseline and 16 weeks)
- Changes in Time Spent Stepping(Baseline to 16 weeks)