Table 1.

Distribution of Chinese university students by age group of participants (%)

Age(yrs)	Boys	Girls	Total
19 yrs	4093(50.3)	4052(49.7)	8145
20 yrs	4796(56.5)	3700(43.5)	8496
21 yrs	3764(56.8)	2859(43.2)	6623
22 yrs	3757(61.5)	2350(38.5)	6107
Total	16,410(55.9)	12,961(44.1)	29,371