TABLE 1.

Sociodemographic Characteristics among College Students (n = 7,800)

	Mean (SD) or n (%)
Age, mean (SD)	20.54 (2.11)
Gender, n (%)
Women	4,799 (61.53%)
Men	3,001 (38.47%)
Major, n (%)
Medicine	1,850 (23.72%)
Engineering	2,286 (29.31%)
Science	1,067 (13.68%)
Literature	748 (9.59%)
Management	659 (8.45%)
Economics	577 (7.40%)
Law	185 (2.37%)
Art	168 (2.15%)
Pedagogy	116 (1.49%)
History	107 (1.37%)
Agronomy	25 (0.32%)
Philosophy	12 (0.15%)
School year,n (%)
Freshman	2,599 (68.21%)
Sophomore	1,624 (20.82%)
Junior	1,780 (22.82%)
Senior	1,258 (16.13%)
Current residence, n (%)
Hubei Province	226 (2.90%)
Other regions in Mainland China	7,574 (97.10%)