Table 5.

Body composition as measured by DXA at baseline, after 12 months, and after 24 months of intervention in the total study population and by gender (mean ± SD). p-value < 0.05 is significantly statistical.

		Baseline (B)	12 Months (12 m)	24 Months (24 m)	p-Value (B vs. 12 m)	p-Value (B vs. 24 m)
Fat Mass (Kg)	Boys	18.6 ± 5.4	19.0 ± 6.8	23.2 ± 8.4	0.2	<0.001
	Girls	18.5 ± 5.2	19.4 ± 6.0	21.4 ± 5.4	0.01	<0.001
	All	18.5 ± 5.3	19.2 ± 6.4	22.4 ± 7.2	0.01	<0.001
Lean Mass (kg)	Boys	28.1 ± 4.7	31.7 ± 4.9	34.8 ± 5.7	<0.001	<0.001
	Girls	25.8 ± 5.2	29.8 ± 5.9	33.3 ± 6.8	<0.001	<0.001
	All	27.0 ± 5.1	30.8 ± 5.5	34.1 ± 5.2	<0.001	<0.001
Total Mass (kg)	Boys	46.8 ± 9.7	50.6 ± 10.8	58.0 ± 7.1	<0.001	<0.001
	Girls	44.3 ± 9.8	49.2 ± 11.4	54.7 ± 6.1	<0.001	<0.001
	All	45.5 ± 9.8	49.9 ± 11.1	56.5 ± 6.2	<0.001	<0.001
Total Fat (%)	Boys	39.3 ± 4.1	36.8 ± 5.0	39.3 ± 5.7	<0.001	0.8
	Girls	41.4 ± 3.7	38.9 ± 4.0	39.0 ± 3.9	<0.001	0.001
	All	40.3 ± 4.0	37.8 ± 4.6	39.1 ± 4.9	<0.001	0.01