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. 2011 Mar 22;34(1):203–214. doi: 10.1007/s11357-011-9225-5

Table 5.

Principal component analysis of five candidate markers for physical fitness and chronological age

Variable	Men		Women
Variable	P1^a	F1^b	P1	F1
Age (y)	−0.743	−0.255	−0.819	−0.293
10-m walk time (s)	−0.712	−0.244	−0.643	−0.230
Functional reach test (cm)	0.590	0.202	0.531	0.190
One leg stand with eyes open (s)	0.654	0.224	0.629	0.225
Vertical jump (cm)	0.797	0.273	0.769	0.275
Grip strength (kg)	0.671	0.230	0.664	0.238
Eigenvalue	2.918		2.793
% total variance	49.46		46.54

^aFirst principal component

^bFirst principal component coefficient