Table 2

Comparison of bone mineral status and physical fitness between physicial education and art groups

		Boys			Girls
		PE group					ARTS group		p value2-150		PE group				ARTS group		p value2-150
		n	Mean				SE	n	p value2-150		Mean	SE			n	Mean	p value2-150	SE	n	Mean	SE
Calcium intake (mg/day)	53	736.1	36.74	39	702.7	38.9	0.542		41	563.9	31.9		46	556.7	34.6	0.880
Bone width of radius (cm)	53	1.07	0.015	39	1.02	0.020	0.061		41	1.06	0.015		46	1.001	0.014	0.002
BMC radius (g/cm)	53	0.63	0.015	39	0.57	0.015	0.009		41	0.67	0.013		46	0.63	0.013	0.055
BMD L2–L4 (g/cm²)	53	0.66	0.019	39	0.58	0.012	0.003		41	0.79	0.018		46	0.72	0.015	0.002

Physical fitness tests
3 minute step test (total beats)	53	126.8	2.7	39	137.4	3.32	0.014		41	136.1	3.8		46	147.2	3.43	0.032
Sit and reach test (cm)	53	30.1	0.87	39	28.4	0.8	0.175		41	35.8	0.92		46	32.8	1.06	0.039
1 min sit up test (times)	53	33.0	1.01	39	25.8	1.8	0.001		41	27.3	1.38		46	20.9	1.13	< 0.001
Vertical jump (cm)	53	44.3	1.03	39	38.7	1.36	0.001		41	37.7	0.98		46	33.1	0.89	0.001
Grip strength (kg)	53	22.1	0.86	39	20.1	0.84	0.103		41	21.1	0.55		46	19.7	0.61	0.113
Isokinetic peak extension torque (Nm)	37	210.8	5.3	27	202.5	8.4	0.404		34	181.7	5.1		37	154.7	4.1	< 0.001
Isokinetic peak flexion torque (Nm)	37	136.9	4.1	27	131.0	5	0.368		34	104.7	3.2		37	89.8	2.4	< 0.001