Mobile Supportive Teams for Reinforcing Increased Daily Exercise Study
ConditionPhysical Activity
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorUniversity of South Carolina
About this trial
The goal of this research is to examine the addition of a digitally delivered social support training approach to an existing digital program designed to promote a physically active lifestyle among self-selected teams of adults who are not meeting physical activity guidelines. The main aims are to:
1. Determine if the social support training intervention promotes significantly greater changes in moderate-to-vigorous intensity aerobic physical activity (such as a brisk walk) as measured by an accelerometer (research grade physical activity measurement device) at 3 months compared to the same intervention without social support training among self-selected teams of adults who are not meeting the physical activity guidelines. 2. Determine if the social support training intervention promotes significantly greater changes in social support, motivation, accountability, and autonomy social support (free from excessive control and encouraging one's free will) at 3 months and 12 months compared to the same intervention without social support training. 3. Determine if the social support training intervention promotes significantly greater changes in moderate-to-vigorous intensity aerobic physical activity as measured by an accelerometer at 12 months compared to the same intervention without social support training. 4. Explore whether social support mediates increased and sustained moderate-to-vigorous intensity aerobic physical activity among the entire sample of participants.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
be at least 18 years of age
be insufficiently physically active (< 150 minutes per week of moderate-intensity equivalent aerobic physical activity as measured by waist-worn accelerometer (research grade physical activity measurement device) - i.e., sum of time spent in minutes of moderate-intensity activity plus twice the minutes spent in vigorous-intensity activity < 150 minutes per week)
be part of a self-selected team of 3-8 individuals each of whom also meet all other eligibility criteria (members of the same household are only eligible to participate if they are on the same team - limit one team per household)
have access to a smartphone (Android or iphone operating system-based) with an internet connection
Disqualifiers
participating in another physical activity study or program
are pregnant, breastfeeding, less than 6 months post-partum, or plan to become pregnant during the time frame of the investigation
report a medical condition that would affect the safety and/or efficacy of a physical activity program (e.g., terminal illness; uncontrolled heart condition, dementia, bulimia nervosa or binge eating disorder, other significant psychiatric problems, or use of insulin)
report conditions that in the judgment of the Principal Investigator would render them unlikely to be able to independently follow the intervention protocol for 3 months, including conditions which might compromise their ability to engage independently with the intervention website materials and wearable physical activity tracker, as well as complete online questionnaires and adhere to wearing an accelerometer
Trial design
Design model
Parallel
Treatments tested in this trial
Mobile STRIDES app (psychoeducation features)
BehavioralTwelve theory-based physical activity behavior change lessons/modules during the course of the 3-month intervention.
Mobile STRIDES app (self-regulation features)
BehavioralPersonalized physical activity goals focused on moderate-to-vigorous intensity aerobic physical activity and steps. Physical activity (tracked with a Fitbit wearable smartwatch and synced with the Mobile STRIDES app) tracking component, displaying team and individual progress. Weekly individualized feedback messages crafted by a trained professional for the first month of the intervention.
Mobile STRIDES app (social support training features)
BehavioralFor the experimental group, the Mobile STRIDES app also includes five social support training lessons/modules (during the course of the 3-month intervention) focused on providing guidance related to effective communication when exchanging social support for physical activity within a team. In addition, six team feedback messages will be delivered to respective teams throughout the course of the 3-month intervention to reinforce content taught via the training lessons/modules. A weekly poll will also be administered that complements the social support training lessons, with cumulative results displayed.
Treatment groups
300 Participants
are divided into 2 treatment groupsGroup A: Team ProgramActive comparator 2 interventions
Group B: Team+Training ProgramExperimental treatment 3 interventions
Trial outcomes
Primary outcomes
1
Change in minutes per week of moderate-to-vigorous intensity aerobic physical activity (MVPA) at 3 months
Change in minutes per week of moderate-to-vigorous intensity aerobic physical activity (MVPA) from baseline to 3 months as measured by accelerometer
Time frame
Baseline and 3 monthsSecondary outcomes
1
Change in minutes per week of moderate-to-vigorous intensity aerobic physical activity (MVPA) at 12 months
Change in minutes per week of moderate-to-vigorous intensity aerobic physical activity (MVPA) from 3 months to 12 months as measured by accelerometer
Time frame
3 months and 12 months2
Change in supportive accountability at 3 months
Support Accountability Inventory adapted for physical activity and to query about one's team. Items rated on a Likert scale response format ranging from 1 (Strongly Disagree) to 7 (Strongly Agree) with a not applicable option, with higher total scores indicating higher perceived supportive accountability.
Time frame
Baseline and 3 months3
Change in motivation at 3 months
Treatment Self-Regulation Questionnaire adapted for physical activity. Items scored using a 7-point Likert scale (1 = not at all to 7 = very true). Higher scores on the Autonomous Subscale indicate greater autonomous motivations for behavior change and higher scores on the Controlled Motivations subscale indicate higher controlled regulation.
Time frame
Baseline and 3 months4
Change in supportive accountability at 12 months
Support Accountability Inventory adapted for physical activity and to query about one's team. Items rated on a Likert scale response format ranging from 1 (Strongly Disagree) to 7 (Strongly Agree) with a not applicable option, with higher total scores indicating higher perceived supportive accountability.
Time frame
3 months and 12 monthsOther outcomes
1
Mediation analysis of social support on moderate-to-vigorous intensity aerobic physical activity
A mediation analysis will be conducted to explore whether social support mediates increased (at 3 months) and sustained (at 12 months) moderate-to-vigorous intensity aerobic physical activity within the overall study sample. The Social Support for Healthy Behaviors Questionnaire (physical activity support scale) adapted to query about one's team will be used to measure social support at baseline, 3 months, and 12 months. Items are scored using response options on a 5-point scale which ranges from almost never/not applicable to almost always, with higher mean scores indicating more support. Minutes per week of moderate-to-vigorous intensity aerobic physical activity will be measured using an accelerometer at baseline, 3 months, and 12 months. These data will facilitate the construction of mediation models.
Time frame
3 months and 12 monthsSponsors and contacts
Click on the lead sponsor to view all of their trials.
University of South Carolina
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Collaborator
Source ClinicalTrials.gov