Physical Activity Data Explorer

This page serves as the home for exploring the Understanding America Study (UAS) Physical Activity Data.

The UAS is a panel of households at the University of Southern California (USC). Currently comprising of approximately 14,700 respondents, the panel is expected to grow 20,000 by end of 2026. As an Internet-based panel, participants complete surveys using a computer, tablet or smartphone - anytime and from anywhere they choose.

To date, we have collected 1,690,495,467 (~1.69 billion) minutes of activity tracker data across 10 unique data streams for 8195 unique participants. Currently we have 4385 fitbits, 1815 Apple devices and 179 Android devices

For quick guide on how to use this website, please click here

Our Aims

• Share activity and fitness data collected by various trackers with the wider research community.
• Create guidance for utilizing physical activity data.
• Enable seamless download and interactive visualizations of monthly aggregated physical activity data.