Fitbit One and Text Messaging Prompts to Promote Physical Activity in Overweight/Obese Adults
| Status: | Completed |
|---|---|
| Conditions: | Healthy Studies, Obesity Weight Loss |
| Therapuetic Areas: | Endocrinology, Other |
| Healthy: | No |
| Age Range: | 18 - 69 |
| Updated: | 10/14/2017 |
| Start Date: | January 2013 |
| End Date: | January 2014 |
Wearable Sensor/Device With Website (Fitbit One) and SMS Text Messaging Prompts to Increase Physical Activity in Overweight/Obese Adults: A Randomized Controlled Pilot Trial
Previous studies suggest self-regulatory techniques including self-monitoring, and SMS
text-messaging as an intervention modality, can modify health behaviors including physical
activity (PA). The primary purpose of this study was to examine change in objectively
measured PA in a randomized controlled pilot trial that tested a wearable sensor/device
(Fitbit One) for self-monitoring and SMS text-messaging prompts to promote PA in
overweight/obese adults. In a 2-group design, 67 participants were provided the Fitbit One
and half were randomized to receive 3 daily SMS-based PA prompts. A Fitbit One was provided
to facilitate self-monitoring with a wearable tracker for instant feedback and website of
daily PA summaries. Outcome measures were number of steps and minutes of PA by
intensity-level using two accelerometers: Actigraph GT3X+ (primary) at baseline and 6-week
follow-up and Fitbit One (secondary) at baseline and weeks 1-6. The main hypothesis was that
text messaging plus the Fitbit One would show a greater increase in steps and minutes of PA
compared to only the Fitbit One at 6-week follow-up.
text-messaging as an intervention modality, can modify health behaviors including physical
activity (PA). The primary purpose of this study was to examine change in objectively
measured PA in a randomized controlled pilot trial that tested a wearable sensor/device
(Fitbit One) for self-monitoring and SMS text-messaging prompts to promote PA in
overweight/obese adults. In a 2-group design, 67 participants were provided the Fitbit One
and half were randomized to receive 3 daily SMS-based PA prompts. A Fitbit One was provided
to facilitate self-monitoring with a wearable tracker for instant feedback and website of
daily PA summaries. Outcome measures were number of steps and minutes of PA by
intensity-level using two accelerometers: Actigraph GT3X+ (primary) at baseline and 6-week
follow-up and Fitbit One (secondary) at baseline and weeks 1-6. The main hypothesis was that
text messaging plus the Fitbit One would show a greater increase in steps and minutes of PA
compared to only the Fitbit One at 6-week follow-up.
Inclusion Criteria:
- 18-69 years of age
- overweight or obese (otherwise healthy)
- does not meet recommended levels of PA (>150 min/wk of MVPA)
- owns a personal mobile phone and able to use SMS text-messaging
- owns a personal computer, has access to Internet, able to operate the Fitbit One
- fluent in English
Exclusion Criteria:
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