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| Name | Class |
|---|---|
| Carol Vassiliadis Family | UNKNOWN |
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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| SMS Text Messages & Fitbit One | Experimental | All study participants were provided a Fitbit One to facilitate self-monitoring of PA. Those who were randomly assigned to the intervention group were asked to indicate 3 preferred times of the day to receive text message prompts to do PA throughout the 6-week study period. |
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| Fitbit One Only | Active Comparator | An active control group was also provided the Fitbit One to facilitate self-monitoring of PA throughout the 6-week study period. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| SMS Text Messages & Fitbit One | Behavioral | The primary aim was to test text-messaging in its basic form to prompt physical activity. A secondary aim was to examine the effects of the Fitbit One. |
| Measure | Description | Time Frame |
|---|---|---|
| steps per day (Actigraph GT3X+) | Number of steps per day was measured using Actigraph GT3X+ at baseline and 6-week follow-up | up to 6 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Minutes per week of physical activity by intensity level (Actigraph GT3X+) | Moderate-to-vigorous intensity physical activity (MVPA) (min/wk) and total PA (min/wk) were assessed using Actigraph GT3X+ at baseline week and 6-week follow-up | up to 6 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Physical activity levels (Fitbit One) | Physical activity by intensity level (i.e., fairly and very active minutes and total active minutes) were assessed using the Fitbit One throughout the entire duration of the study | up to 6 weeks |
| Steps per a day (Fitbit One) |
Inclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Julie Wang, PhD, MPH | University of California, San Francisco | Principal Investigator |
| John Pierce, PhD | University of California, San Diego | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| UCSD Moores Cancer Center | La Jolla | California | 92093 | United States |
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| Label | URL |
|---|---|
| published manuscript of primary study results | View source |
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| ID | Term |
|---|---|
| D015438 | Health Behavior |
| D009765 | Obesity |
| D009043 | Motor Activity |
| ID | Term |
|---|---|
| D001519 | Behavior |
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
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| ID | Term |
|---|---|
| D000076251 | Wearable Electronic Devices |
| D015190 | Blood Glucose Self-Monitoring |
| D017009 | Professional Autonomy |
| D015444 | Exercise |
| ID | Term |
|---|---|
| D055615 | Electrical Equipment and Supplies |
| D004864 | Equipment and Supplies |
| D001774 | Blood Chemical Analysis |
| D019963 | Clinical Chemistry Tests |
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|
| Fitbit One Only | Behavioral | Active controls received a Fitbit One to facilitate self-monitoring (and no text messages) |
|
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Steps per day were assessed using the Fitbit One throughout the entire duration of the study |
| up to 6 weeks |
| D009750 |
| Nutritional and Metabolic Diseases |
| D001835 | Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D019411 | Clinical Laboratory Techniques |
| D019937 | Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
| D003940 | Diagnostic Techniques, Endocrine |
| D008991 | Monitoring, Physiologic |
| D000085263 | Self-Testing |
| D012648 | Self Care |
| D013812 | Therapeutics |
| D008919 | Investigative Techniques |
| D011364 | Professional Practice |
| D009934 | Organization and Administration |
| D006298 | Health Services Administration |
| D009043 | Motor Activity |
| D009068 | Movement |
| D009142 | Musculoskeletal Physiological Phenomena |
| D055687 | Musculoskeletal and Neural Physiological Phenomena |