Table 3.

The variance results of male youths

	Men (mean ± SD)			F	p
	Before(n = 16285)	During(n = 16567)	After(n = 16961)
BMI	20.84 ± 2.95	21.03 ± 3.10	21.22 ± 2.99	28.263	0.000**
50 m	7.61 ± 0.82	7.82 ± 0.80	7.77 ± 0.60	153.446	0.000**
Standing long jump	210.09 ± 25.05	209.96 ± 26.33	216.65 ± 24.26	163.237	0.000**
Sit and reach	11.97 ± 9.36	14.61 ± 8.32	14.50 ± 7.66	225.444	0.000**
Vital capacity	3935.96 ± 778.78	3900.06 ± 744.73	3799.59 ± 682.57	65.868	0.000**
1000 m(s)	239.61 ± 24.98	246.29 ± 26.31	243.67 ± 20.26	142.271	0.000**
Pull-up	10.99 ± 4.25	10.49 ± 5.21	10.01 ± 5.61	68.845	0.000**

** p < 0.01