Table 1.

Demographic characteristics of the study participants.

	Group A (6–9 years)	Group B (9 years, 1 day–12 years)	Total
Characteristic	$n=150$	$n=150$	$n=300$
Age (years)	7.95 $\pm$ 0.92	10.93 $\pm$ 0.94	9.44 $\pm$ 1.76
Weight (kg)	27.53 $\pm$ 2.40	37.83 $\pm$ 4.33	32.68 $\pm$ 6.23
Height (m)	1.30 $\pm$ 0.03	1.45 $\pm$ 0.07	1.38 $\pm$ 0.09
BMI (kg/m2)	16.23 $\pm$ 0.76	17.70 $\pm$ 0.64	16.96 $\pm$ 1.01
Male	73 (48.7%)	75 (50%)	148 (49.3%)
Female	77 (51.3%)	75 (50%)	152 (50.7%)
Normal foot	49 (32.7%)	48 (32%)	97 (32.3%)
Flat arched foot	101 (67.3%)	102 (68%)	203 (67.7%)

Data are presented as mean $\pm$ standard deviation for continuous variables and as number (percentage %) for categorical variables. BMI: body mass index.