Health Outcomes, Health Plans, Health Systems, Partners, Researchers | By | 09/20/22 | 4 Minute Read

Enhance Health Research with New Data Endpoints from Fitbit Devices

Fitbit Health Solutions has worked with the research community since 2013 to address critical challenges in the health research space, focusing on key opportunity areas like   increasing participation, decreasing attrition, and making the experience simple and engaging for research participants. Unlike traditional clinical wearable devices or manual health logs, Fitbit’s sleek design and seamless Bluetooth integration make participating in research easy, while the devices provide a fun and exciting incentive for users.

Fitbit devices allow researchers to collect real-world health information, and our Web API is designed to give developers the ability to quickly and easily leverage research participants’ user data. This can help streamline the end-to-end process for research teams and research participants alike, helping to reduce attrition rates and improve the quality of data collected.

In addition to the activity, heart rate, and sleep data already available through our Web API, we are excited to announce the following newly available endpoints:

  • Heart Rate Variability (HRV)
  • SpO2
  • Breathing Rate
  • Temperature
  • Sleep Logs
  • Cardio Fitness Score

Scroll down to learn how each of these new endpoints can help our customers better understand the health of research participants, evaluate the impact of an intervention, monitor post-op progress, enhance chronic disease management programs, and more.

Heart Rate Variability

We use a common formula called RMSDD (Root mean square of the successive differences) to determine HRV from users’ heart rate data. The HRV endpoint provides the RMSDD between heart beats during sleep, measuring variability in the user’s heart rate in milliseconds. Only sleep records greater than three hours are considered. This functionality is available on all current Fitbit models.

SpO2

Fitbit devices have red and infrared sensors that can estimate SpO2 during sleep. Only sleep records greater than three hours are considered here as well. At this time, Fitbit devices do not measure SpO2 levels <80%.

Breathing Rate

This measurement captures a user’s average breaths per minute during sleep. Only sleep records greater than three hours are considered. Factors that can impact breathing rate include age, gender, weight, lung and heart conditions, anxiety, and fever. This functionality is available on all current Fitbit models.

Temperature

Our temperature measurement returns a user’s core and skin temperature. Note that while skin temperature is recorded by the Fitbit device automatically, core temperature must be logged manually in the Fitbit app. This functionality is available on all current Fitbit models.

Sleep Logs

Fitbit sleep logs return information about the source of a sleep log, e.g.., if sleep was recorded automatically by the Fitbit device, or if a user manually recorded their sleep in the Fitbit app. This functionality is available on all current Fitbit models.

Cardio Fitness Score

Fitbit devices estimate a users’ VO2 max and return the optimum rate at which the user’s heart, lungs, and muscles can effectively use oxygen during exercise. Cardio Fitness Score is determined by resting heart rate, age, gender, weight, and other personal information for each user.

These new endpoints open up a number of possibilities for our research and clinical partners. For more information on our APIs, consider these additional resources:

Interested in using Fitbit devices in your own research? Contact us here.

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From the blog archives: The Magic of 10,000 Steps

Fitbit put this goal on the map globally in 2009. Since then medical experts around the world agree that 10,000 is a healthy number for which to aim.
https://bit.ly/3EomG7T

#fitbithealthsolutions

A recent study published in JAMA Internal Medicine, suggests that accruing more steps per day (up to ~10 000 steps/d) were consistently associated with lowering the risk of cancer and cardiovascular diseases.
https://bit.ly/3ymtLCa

#fitbithealthsolutions