Be Fit in Residency: a Randomized Controlled Trial of an Activity Device Among Medicine Residents

Study Overview
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Brief Summary
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The main objective of this study is to test an intervention to increase the physical activity of medical residents, an employee population with little time for exercise. Specifically, the aims of this study are: To determine if providing medical residents with an activity device that measures steps, distance, and calories burned and tracks this information over time on a website increases residents' physical activity levels as measured by number of steps per day compared to a control group using a blinded activity device (no feedback). To determine if an unblinded team competition using the activity device directly following the randomized phase increases residents' activity level compared to baseline. To determine if activity level is associated with change in weight during the residency year. To determine if the average hours of sleep per week is associated with changes in weight and with activity level.

Official Title
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Be Fit in Residency: a Randomized Controlled Trial of an Activity Device Among Medicine Residents

Conditions
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Physical Activity

Intervention / Treatment
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* Device: Activity monitor
* Device: Activity device


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Massachusetts General Hospital medicine resident Exclusion Criteria: none

Ages Eligible for Study
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Minimum Age: 21 Years
Maximum Age: 45 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Active Comparator: Unblinded activity monitor<br>Subjects wear the activity device and can see the data on the device and on a website where the data is uploaded. | Device: Activity monitor<br>* The activity monitor is an accelerometer that records steps, distance, calories, and sleep<br>* Other names: Fitbit;|
| Placebo Comparator: Blinded activity monitor<br>Subjects wear a blinded activity device and cannot see the activity on the device and cannot log on to the website where the data gets uploaded. | Device: Activity device<br>* Accelerometer that has all the steps, distance, calories, and sleep data blinded to the study subject<br>* Other names: Fitbit;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Steps Per Day | Steps will be recorded on the activity device | 12 weeks | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Distance Per Day | Distance in miles recorded on activity device. | 12 weeks | 
| Calories Burned Per Day | Total calories burned per day recorded on activity device. This secondary outcome was not measured in the trial. | 12 weeks | 
| Weight |  | 6 months | 
| Hours of Sleep Per Night | Number of hours slept per night as recorded on activity device. This secondary outcome was not measured in the trial. | 12 weeks | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Steps, Physical activity, Accelerometer, Medical residents