Using light sensors to measure how much time children spend outdoors

Establishing best practices for the use of accelerometer measured ambient light sensor data to assess children's outdoor time

NIH-funded research Duke University · NIH-10895544

This study is looking at how to better track the time kids spend outside by using special devices that measure movement and light, so we can understand how being outdoors affects their health and happiness.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionDuke University NIH-funded
Lab location1 site (Durham, United States)
Project IDNIH-10895544 on NIH RePORTER

What this research studies

This research investigates how to accurately measure the amount of time children spend outdoors using accelerometers with ambient light sensors. By analyzing existing data from previous trials, the project aims to establish best practices for interpreting light exposure data, which can help differentiate between indoor and outdoor activities. This objective assessment of outdoor time is crucial for understanding its impact on children's physical and mental health. The findings could lead to improved guidelines for promoting outdoor activities among children.

Who could benefit from this research

Good fit: Ideal candidates for this research are children aged 0-11 years, particularly those in child care settings.

Not a fit: Children who do not have access to outdoor environments or those who are not enrolled in child care programs may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide a reliable method for assessing children's outdoor time, leading to better health outcomes through increased physical activity.

How similar studies have performed: Previous studies have shown promise in using accelerometers for physical activity measurement, but this specific approach to using ambient light data is relatively novel.

Where this research is happening

Durham, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.