Table 2.

Time spent in moderate to vigorous physical activity (MVPA) by sex and age of participants.

Age Group	MVPA Per Day [min]								p
	Girls				Boys
	N	$\overline{x}$	Me	SD	N	$\overline{x}$	Me	SD
4–6 years	114	66.7	52.9	46.6	128	73.8	62.0	44.5	0.016
7–11 years	217	65.9	60.4	32.9	252	69.5	64.1	35.2	0.080
12–15 years	144	66.1	52.2	46.6	147	78.8	59.7	52.4	0.002
p	0.037				0.946

Me—median, N—number of participants, p—test probability value calculated using the Mann–Whitney test, SD—standard deviation $\overline{x}$—average.