Table 2.

BMI values taking into account age and gender.

Variables	Interpretation	Underweight		Normal		Overweight		χ2	df	p	V
		N	%	N	%	N	%
Age	<7 years	7	18.4%	7	6.7%	1	2.6%	11.28	6	0.080	0.18
	7–9 years	19	50.0%	49	47.2%	22	56.4%
	10–12 years	8	21.1%	28	26.9%	13	33.3%
	13–15 years	4	10.5%	20	19.2%	3	7.7%
Gender	Male	15	39.5%	47	45.2%	23	59.0%	3.25	2	0.197	0.13
	Female	23	60.5%	57	54.8%	16	41.0%

N—number of participants; χ²—chi-square test; df—number of degrees of freedom; p—significance of differences test; V—Kramer’s V strength index.