In a study done by John Jakicic, a researcher of health and physical activity at the University of Pittsburgh, took two years to see whether or not fitness trackers really help with weight loss.
He gathered 470 overweight adults, all agreeing to eat healthy and exercise regularly for the sake of the experiment. Half of the adults were asked to self report their progress while the other half were given fitness trackers. Overall, the participants without fitness trackers lost 13 pounds. The ones with the devices lost only about 7.7 pounds.
"These technologies are focused on physical activity, like taking steps and getting your heart rate up," says Jakicic. "People would say, 'Oh, I exercised a lot today, now I can eat more.' And they might eat more than they otherwise would have." Additionally, when seeing the results on the tracker might motivate one person, yet discourage another. Therefore not having the same value to each consumer.
"Overall, it doesn't look like assigning someone wearable technology will make that big of a difference," says Jakicic.
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