Child Physical Activity Research Study

Researchers at the University of Southern California (USC) are conducting a study on how breaking up sitting time with walking affects blood sugar, attention, memory, and mood in children ages 8–11 who may be at higher risk for obesity and type 2 diabetes.

Fast Facts

Overweight

8-11

Years Old

Compensation

Provided Up To $900

Conducted in

Los Angeles, CA

Study Background

Breaking up long periods of sitting with short walking breaks may help improve how children’s bodies use sugar and support better overall health.

Children today spend many hours sitting — at school, doing homework, and using screens. Extended sedentary time has been linked to poor metabolic health, including increased risk for childhood obesity and type 2 diabetes. However, researchers still need to better understand how simple movement strategies, like short walking breaks throughout the day, affect children’s bodies over multiple days.

This study is the first to examine how different patterns of walking breaks — either several short breaks or one longer break — influence how children use sugar (metabolism), as well as how these movement patterns affect attention, memory, and mood. Findings from this research may help inform future programs and policies aimed at improving children’s health.

Study Background

Breaking up long periods of sitting with short walking breaks may help improve how children’s bodies use sugar and support better overall health.

Children today spend many hours sitting — at school, doing homework, and using screens. Extended sedentary time has been linked to poor metabolic health, including increased risk for childhood obesity and type 2 diabetes. However, researchers still need to better understand how simple movement strategies, like short walking breaks throughout the day, affect children’s bodies over multiple days.

This study is the first to examine how different patterns of walking breaks — either several short breaks or one longer break — influence how children use sugar (metabolism), as well as how these movement patterns affect attention, memory, and mood. Findings from this research may help inform future programs and policies aimed at improving children’s health.

Additional Information

This study is being conducted to better understand whether breaking up sedentary time with walking can improve how children process sugar in their bodies and potentially reduce health risks associated with childhood obesity.

You may be eligible for this study if you meet the following criteria.

Inclusion Criteria:

  • Ages 8-11
  • Overweight
  • Able to attend study visits at USC Health Sciences Campus (transportation reimbursement available)

If your child qualifies and you choose to participate:

Step 1: Screening Visit (1 morning, ~2 hours)

  • Parent/guardian completes screening

  • Child completes initial assessments

Step 2: At-Home Assessment (1 week)

  • Your child wears study devices at home to measure activity

Step 3: Study Visit Week at USC Health Sciences Campus

  • 2 morning visits (about 6 hours each)

  • 5 afternoon visits (about 3–3.5 hours each)

  • Walking breaks and sitting periods are supervised

  • Blood sugar monitoring is included

A phone interview will be conducted before enrollment to confirm eligibility.

Families may receive up to $920 if all study procedures are completed:

  • $50 – Screening visit

  • $100 – At-home assessment

  • $300 – Two 6-hour morning visits ($150 each)

  • $250 – Five afternoon visits ($50 each)

  • $150 – Blood sugar monitor participation

  • $50 – Completion bonus

Transportation reimbursement is available at $10 per day (up to $70 total) for the 7-day visit week at USC.

There is no cost for you to participate in our research study.