Related Experiment Video
Updated: Feb 26, 2026

Trajectory Data Analyses for Pedestrian Space-time Activity Study
Published on: February 25, 2013
Trajectory of Weight Patterns in Urban Youth Throughout Their Stay in a Juvenile Justice System
Lori Keough1, Meghan Cobb2, Tatum Sinclair2
11 School of Nursing, University of Massachusetts Lowell College of Health and Sciences, Lowell, MA, USA.
Abstract:
Incarceration is associated with health risks including overweight and obesity. This study explored obesity rates and weight gain in incarcerated youth by tracking weight trajectory during continuous stays in juvenile justice facilities. Among 65 youth, mean weight gain was 17.8 pounds and significant, F(2, 12) = 25.44, p = .03. Youth gained an average of 15.6 pounds (standard deviation [ SD] = 3.6) during the initial incarceration period (mean = 71 days). From the assessment to treatment period (mean = 46 days), mean weight gain was 4.1 pounds ( SD = 4.3), which also was significant, F(2, 12) = 28.57, p = .03. Body mass index z-scores increased significantly for each monthly weight observation. Being incarcerated is associated with significant weight gain and should influence policy and planning in this setting.
Related Concept Videos
Apparent Weight
Consider a person standing on a bathroom scale inside an elevator. If the scale is accurate at rest, its reading equals the...
Mass and Weight
Obesity
Conduct Disorder
Center of Gravity
To determine its location, the principle of moments can be utilized by dividing the object into...
Center of Gravity

