Table 2.

Study characteristics of included studies—sample and outcomes.

Author, year, country	Na	Design	Age, mean (SD)	PAb and SBc outcomes	Assessment
Brannon et al, 2017, United States [48]	10	N-of-1 RCTd	16.7 (0.95)	MVPAe min/day, SB min/day	Objective
Chen et al, 2017, United States [49]	40	RCT	14.9 (1.7)	PA days/week, TV/computer hours/day	Self-report
Dewar et al, 2013, Australia [50]	357	Group RCT	13.2 (0.5)	Accelerometer counts/min, % MVPA, screen time min/day	PA: objective; SB: self-report
Dewar et al, 2014, Australia [51]	357	Group RCT	13.2 (0.5)	% MPAf, VPAg, MVPA; SB min/day	PA: objective; SB: objective + self-report
Ermetici et al, 2016, Italy [52]	487	Nonrandomized CTh	12.5 (0.4)	MVPA hours/week, screen time hours/day	PA: objective + self-report; SB: self-report
Lana et al, 2014, Spain and Mexico [60]	2001	RCT	Pre 13.26 (1.03); Post 12.91 (0.77)	SB (less than 360 min PA/week)	Self-report
Lau et al, 2012, Hong Kong [53]	78	Nonrandomized CT	CGi 13.26 (1.14); IGj 12.29 (0.87)	PA level last 7 days	Self-report
Lubans et al, 2012, Australia [54]	357	Group RCT	13.18 (0.45)	Accelerometer counts/min, MVPA min/day, SB min/day	PA: objective; SB: self-report
Mendoza et al, 2017, United States [55]	60	RCT	16.6 (1.5)	MVPA min/day, SB min/day	Objective
Newton et al, 2009, New Zealand [56]	78	RCT	14.4 (2.37)	Step count, MVPA min/week	Objective + self-report
Patrick et al, 2013, United States [57]	101	RCT	14.3 (1.5)	MVPA min/week, SB hours/day	Self-report
Sirriyeh et al, 2010, United Kingdom [58]	120	RCT	17.3 (0.68)	MVPA metabolic equivalent min/week	Self-report
Straker et al, 2014, Australia [59]	44	Within-subject CT	14.1 (1.6)	SB, light, moderate, vigorous PA min/day	Objective

^aN: number of participants randomized.

^bPA: physical activity.

^cSB: sedentary behavior.

^dRCT: randomized controlled trial.

^eMVPA: moderate to vigorous physical activity.

^fMPA: moderate physical activity.

^gVPA: vigorous physical activity.

^hCT: controlled trial.

ⁱCG: control group.

^jIG: intervention group.