Table 2.

Means of physical activity levels. Pooled analysis

	MVPA		VPA
	Boys (n = 2349)	Girls (n = 2672)	Boys (n = 2349)	Girls (n = 2672)
		Mean (95% confidence interval)
Weekday/weekend combined, minutes/day
Baseline (n = 5021)	69.1 (68.0, 70.3)	47.4 (46.6, 48.2)	21.0 (20.4, 21.7)	13.0 (12.6, 13.4)
Follow-up (n = 5021)	62.5 (61.3, 63.6)	43.8 (43.0, 44.7)	20.1 (19.4, 20.8)	12.6 (12.1, 13.1)
Weekday, minutes/day
Baseline (n = 5021)	71.6 (70.4, 72.8)	49.0 (48.1, 49.8)	21.9 (21.3, 22.6)	13.3 (12.9, 13.7)
Follow-up (n = 5021)	66.0 (64.7, 67.2)	46.8 (45.9, 47.7)	21.2 (20.5, 21.9)	13.2 (12.7, 13.8)
Weekend, minutes/day
Baseline (n = 4556)	62.1 (60.4, 63.7)	43.0 (41.9, 44.2)	18.7 (17.9, 19.6)	12.1 (11.6, 12.6)
Follow-up (n = 4312)	52.2 (50.5, 54.0)	34.5 (33.1, 35.5)	17.2 (16.3, 18.2)	10.6 (9.9, 11.3)

MVPA, moderate- to vigorous-intensity physical activity; VPA, vigorous-intensity physical activity.

All analyses were weighted based on the sample size of each cohort.