Acronym(s): ACC; ACM (for minors)

Description: Accelerometry is an objective measure of physical activity and sleep. Adults are asked to wear a wrist and/or waist device for 7 consecutive days which captures bouts of movement. This was a voluntary aspect of the survey.

Additional Information/References/Data Sources: *Wrist and/or waist device, *Wrist device only for minors

Instrument Used:
(instruments may vary slightly between survey iterations, below are the survey instruments as they were included in each survey year listed