Table 1.

Operational Definitions of Selected Physical Activity and Sedentary Behavior Variables Derived from the PABR-7

Variable	Operational Definition
Physical Activity
Participation in specific types of physical activity	Count of activities
MVPA Index: Moderate-to-Vigorous PA (Self-report)	Number of moderate-to-vigorous activities reported * frequency of participation in those activities
VPA Index: Vigorous PA (Self-report)	Number of vigorous activities reported * frequency of participation in those activities
TPA Index: Total PA (Self-report)	Number of activities reported * frequency of participation in those activities
MVPA: Volume of Moderate-to-Vigorous PA (Self-report; previous day activities)	Frequency * duration of reported MVPA activities
VPA: Volume of Vigorous PA (Self-report; previous day activities))	Frequency * duration of reported VPA activities
TPA: Volume of Total PA (Self-report; previous day activities))	Frequency * duration of reported Total PA
Participation in physical activities in specified settings	Count of activities in each location
Participation in physical activities in specified social contexts	Count of activities by group composition (i.e., by self, with one other person, with many people, with class/team)
Sedentary Behavior
Participation in specific types of Sedentary Behaviors	Count of activities
Sedentary Behavior Index	Number of sedentary activities reported * frequency
Volume of Sedentary Behavior (previous day activities)	Frequency * duration of reported sedentary activities
Participation in Sedentary Behaviors in specified settings	Count of activities in each location
Participation in Sedentary Behaviors in specified social contexts	Count of activities in each group setting