Table 2.

Principal components analysis of DEXA lean and fat components. Values represent loadings for each DEXA component on a given principal component (PC).

	Male (n=582)		Female (n=753)
	PC 1 Fat	PC 2 Lean	PC 1 Fat	PC 2 Lean
Total fat mass	0.96	0.15	0.96	0.24
Total lean mass	0.23	0.95	0.31	0.92
Trunk fat mass	0.89	0.10	0.86	0.25
Trunk lean mass	0.19	0.82	0.28	0.79
Right arm fat mass	0.88	0.16	0.87	0.29
Right arm lean mass	0.02	0.89	0.04	0.89
Left arm fat mass	0.89	0.17	0.86	0.30
Left arm lean mass	0.08	0.87	0.07	0.87
Right leg fat mass	0.90	0.20	0.92	0.12
Right leg lean mass	0.22	0.89	0.33	0.86
Left leg fat mass	0.91	0.19	0.92	0.10
Left leg lean mass	0.25	0.88	0.35	0.85
Percentage of explained variance	56.21	26.93	61.58	22.27
Cumulative percentage of explained variance		83.14		83.85