TABLE 1.

Subjects’ information (Mean ± SD).

Classification	Category	Number of people	Percentage (%)	Age (years)
Total	–	855	100	19.96 ± 2.68
Gender	Male	497	58.2	20.02 ± 3.17
	Female	358	41.8	19.66 ± 1.79
Grade	Freshman year	509	59.5	18.13 ± 0.78
	Sophomore	140	16.4	18.93 ± 1.37
	Junior	149	17.5	19.67 ± 1.65
	Senior year	57	6.7	21.19 ± 1.35