Table 1.

Physical activity and sedentary behavior variables entering the latent class analysis

Data source	Variable	Measurement
Accelerometer	(1) MVPA – weekdays	1 = <30 min per day, 2 = ≥30 min per day
	(2) MVPA – weekend days	1 = <30 min per day, 2 = ≥30 min per day
3DPAR	(3) Traditional sports	1 = <1 session/3 days, 2 = ≥1 session/3 days
	(4) Fitness activities	1 = <1 session/3 days, 2 = ≥1 session/3 days
	(5) Other sports/physical activities	1 = <1 session/3 days, 2 = ≥1 session/3 days
	(6) Chores/work	1 = <1 session/3 days, 2 = ≥1 session/3 days
Student Survey	(7) Watching TV	1 = <2 hours per day, 2 = ≥2 hours per day
	(8) Watching DVDs or videos	1 = <1 hours per day, 2 = ≥1 hours per day
	(9) Playing video or computer games	1 = <1 hours per day, 2 = ≥1 hours per day
	(10) Using the Internet/computer	1 = <1 hours per day, 2 = ≥1 hours per day
	(11) Talking/texting on the phone	1 = <1 hours per day, 2 = ≥1 hours per day
	(12) Reading/homework	1 = <2 hours per day, 2 = ≥2 hours per day

Abbreviations: MVPA, moderate-to-vigorous physical activity; TV, television; DVD, digital video disc