Examine: Program utilizing wearables, teaching and money incentives elevated bodily exercise in teenagers


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A digital well being program utilizing a Fitbit wearable and text-based well being teaching improved bodily exercise in teenagers, in response to a research printed in JMIR


Researchers discovered that adolescents enrolled in this system met their exercise objectives for a mean of seven out of 11 doable weeks. The teenagers additionally wore their Fitbits for about 91% of days on common, and the research discovered there have been “vital enhancements” in tracked every day lively minutes.

Individuals had been additionally requested to charge the completely different elements of this system, like the standard of the text-based teaching and the Fitbit expertise, rated on a seven-point scale. All of those metrics had been rated no less than a 5. 

Although the research discovered individuals demonstrated a statistically vital lower in physique fats proportion, the change in BMI percentile for age and intercourse was nonsignificant.


The research included 28 individuals between the ages of 13 and 18 with a BMI within the ninetieth percentile or greater. Two individuals had been misplaced in follow-up, so solely 26 had been included within the ultimate evaluation. 

The teenagers had a every day objective of an hour of lively minutes or 10,000 steps through the 12-week program. In addition they set weekly private objectives based mostly on their earlier accomplishments and will obtain money incentives if that objective was met. 

The individuals additionally acquired text-based teaching based mostly on their achievements on weekdays. 


Wearables are an more and more massive enterprise, and a number of other tech giants tout their very own variations. Fitbit was formally acquired by Google at the start of 2021. 

Different research have used wearable gadgets as a part of digital well being applications to push elevated exercise in numerous populations with some success. Nonetheless, a research printed late final 12 months discovered digital interventions like wearables and apps that goal to enhance bodily exercise is probably not efficient for folks in low socioeconomic standing teams.


Researchers famous a number of potential weaknesses with the research. It did not embrace a management group, and the pattern measurement was small. Individuals had been largely white and most had been utilizing personal insurance coverage, so the outcomes is probably not generalizable to a extra numerous group. There additionally may very well be measurement errors from the Fitbits, and researchers did not assess the potential results on puberty on the research’s individuals.  

The authors stated follow-up analysis ought to consider every of this system’s elements individually with a bigger pattern measurement and a extra numerous inhabitants for an extended time. 

“The pilot program improved adolescent bodily exercise and bodily well being,” they wrote. “A bigger factorial design trial with adaptive every day objectives might make clear the position of every program element in driving bodily exercise.”

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