Table 1.

Sample characteristics (n = 1,258).

	Mean ± SD		p
	Male (n = 630)	Female (n = 628)
BMI (kg/m2)	22.1 ± 3.7	21.2 ± 3.1	<0.01
Fat%	16.1 ± 7.2	27.3 ± 6.6	<0.01
Muscle mass (g)	50.4 ± 8.3	35.9 ± 4.7	<0.01
SDS score	45.2 ± 9.8	50.3 ± 8.9	<0.01
Sleep quality score	16.6 ± 2.5	17.0 ± 2.4	<0.05
Physical activity score	21.5 ± 20.5	12.5 ± 15.4	<0.01
Body dissatisfaction	1.65 ± 1.4	2.71 ± 1.3	<0.01

BMI, body mass index; SDS, Self-rating Depression Scale. The significance of differences between male and female students was determined by t-test.