In kids aged 10–14, support was linked to more motivation, but not clearly to more activity through that motivation.
The study looked at U.S. children surveyed between 2022 and 2024. Researchers used existing surveys and data from wearable
The Pixel Watch 3 fitness score had an average error of 8.65%, with gaps too large to trust as a precise personal result.
The score estimates [VO2 Max](/biomarkers/cardiovascular/vo2-max), how much oxygen your body can use during hard exer