Table 2.

Characteristic of participant students in the study at baseline (n=96)

	Mean (±SD)		P
	Intervention group	Control group
Year (age)	14 (±0.99)	14 (±1.55)	0.29
Weight (kg)	72.92 (±14.21)	73.11 (±11.97)	0.94
Height (m)	1.66 (±8.03)	1.68 (±8.12)	0.22
BMI (kg/m2)	26.13 (±4.45)	25.7 (±2.95)	0.59
BF%	26.91 (±7.49)	26.33 (±6.16)	0.7
SM%	35.18 (±2.74)	35.72 (±2.51)	0.34
Dietary vitamin D intake (ng/day)	11.36 (±1.32)	11.29 (±0.97)	0.49
Physical activity (min/day)	1270 (±283)	1064 (±97)	0.34
Plasma vitamin D level (ng/ml)	39.78 (±15.23)	42.84 (±14.75)	0.34

SM%=Skeletal muscle percentage, BF%=Body fat percentage, BMI=Body mass index