Table 2.

Comparison of the mean values of BMI according to age groups of the students by gender

Age Group	Gender	n	Mean± Standard Deviation	t value	Obesity Rate	p
7–9	Girl	532	16.36±2.37	2.116*	6.58	0.034*
Age	Boy	553	16.68±2.50		11.39
10–12	Girl	707	18.21±3.27	0.194	9.76	0.846
Age	Boy	773	18.25±3.15		12.16
13–15	Girl	428	20.91±4.03	3.279*	10.98	0.001*
Age	Boy	469	20.05±3.77		12.36

^*:p<0.05