Clinical Trial Details
— Status: Completed
Administrative data
NCT number |
NCT04711512 |
Other study ID # |
PRO-2020-146 |
Secondary ID |
|
Status |
Completed |
Phase |
|
First received |
|
Last updated |
|
Start date |
April 8, 2021 |
Est. completion date |
January 31, 2022 |
Study information
Verified date |
April 2022 |
Source |
Rowan University |
Contact |
n/a |
Is FDA regulated |
No |
Health authority |
|
Study type |
Observational
|
Clinical Trial Summary
The purpose of this study is to test the short-term effects of physical activity promotion
messages designed for midlife adults. These messages are designed to provide information and
motivation for physical activity by engaging key social processes, such as social comparison
(i.e., self-evaluations relative to others).
Description:
This study will employ an intensive assessment procedure, in which participants are asked to
complete several brief surveys per day via mobile device. On some days, as described below,
survey content will be assigned with an embedded experimental design, administered via
"micro-randomization" (i.e., randomization to receive one of multiple types of content at
each momentary report). These methods allow for insight into the immediate effects of
different types of content and their accumulated effects over the study period, as
participants go about their normal activities.
Participants will complete an initial survey to assess their global and recent experiences
(e.g., demographic information, social media use). Participants then will be asked to engage
in 7 days of ambulatory data collection (i.e., as they go about their normal daily
activities). This includes wearing pedometers to capture PA behavior (steps per day and
aerobic-intensity PA) and completing 4 surveys per day via their smartphone.
A. For the first 3 days, surveys will assess each participant's preferences and responses to
potential message content as they naturally occur. Content has been pre-tested in preliminary
work. This will establish participants' baseline behaviors.
B. For the following 2 days, participants will be randomized at each survey to either: 1)
make an upward PA comparison (to someone engaging in a lot of activity), 2) make a downward
PA comparison (to someone engaging in very little activity), or 3) assess a different
experience (e.g., received social support).
C. For the final 2 days, participants will be randomized at each survey to either: 1)
informational messages about ways to increase activity, 2) encouragement to increase their
activity in healthy ways, or 3) reminders about their activity goals.
Phases B and C will be counterbalanced, such that half of participants will receive prompts
described in Phase B before Phase C, and half will receive prompts described in Phase C
before Phase B.