Table 1. Descriptive information and accelerometer wear time, by age group.
| N | Age | Height | Weight | BMIPCT 1 | Wear Time Week 2 | Wear Time Weekend 3 | Expected Week 4 | Expected Weekend 5 | |
|---|---|---|---|---|---|---|---|---|---|
| Elementary School | 135 | 9.7±1.0 | 143.0±7.7 | 37.9±10.4 | 60.1±28.0 | 529.4±7.0 | 759.4±49.9 | 615.9±35.2 | 900 |
| Middle School | 67 | 11.7±0.8 | 155.4±6.5 | 49.7±13.6 | 61.9±31.5 | 513.3±6.2 | 766.3±36.6 | 582.0±27.2 | 900 |
| High School | 89 | 15.7±1.2 | 167.3±10.7 | 64.1±12.7 | 66.3±26.1 | 542.8±17.4 | 780.3±63.1 | 616.4±69.6 | 900 |
1 BMI percentiles; computed as recommended by the Centers for Disease Control and Prevention
2 Average time (in minutes) per week day that participants wore the accelerometer
3 Average time (in minutes) per weekend day that participants wore the accelerometer
4 Average total duration of week day in minutes; note that only data from specific windows of activity during the day were used for analysis; also note that schedules were not similar among participants therefore the total duration expected varied to some degree.
5 Total duration of weekend day in minutes; this value was equal to 900 minutes and didn’t have any variability since weekend days were set for 15 hours duration (7:00AM to 10:00PM) and equal among all participants.