Mitesh Patel
speaker
112 appearances
2 recordings
1 series
first heard Apr 2016
last heard Dec 2016
Mitesh Patel’s voice in public audio — every appearance, attributed to the second.
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Yeah, so there's been uh you know a whole new flood of these types of devices on the market, but there hasn't been really any evaluation of whether or not these devices worked.
So we set out to conduct a study to evaluate whether 10 different devices were accurate to track your physical activity.
is Dr.
We had people wearing all of these devices at once.
They had a pedometer and two accelerometers on their hip.
They had three wearable devices on the wrist, and then they had an iPhone in one pants pocket and an Android in the other.
And we had them come into a gym, step on a treadmill, and we asked them to walk 500 steps.
And we had an absorber tracking with a step counter manually counting the steps to ensure it was 500.
And then to step off and to show us all 10 devices and then we would
Record what the devices said compared to what we had observed.
And then we asked them to step back on the treadmill and do it a longer distance, 1500 steps, and then had them get off and show us what their devices did.
And then we had them repeat that.
Precise.
Most of the other devices were also accurate.
However, the wearable devices had quite a bit of variability.
In fact, there was one wearable device which was 22% off.
So it would give you a step count that was 22% lower than what we observed.
And what was interesting was the smartphones, which most people carry with them everywhere they go, were just as accurate and oftentimes had less variability than the wearable devices.
So there's a lot of hope that by tracking our daily behaviors and learning about what we do, that we can take that information and change and be a healthy new person.
But there's not a lot of evidence to suggest that that's the case for the people who need to change their behaviors the most.
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