Assessing Physical Performance in Centenarians: Norms and an Extended Scale from the Georgia Centenarian Study

Table 2

Intercorrelations among performance measures and criterion variables for Centenarians (below diagonal) and Octogenarians (above diagonal).

	SPPB	PPME	GCS	DAFS BADL	DAFS IADL	Leg strength	Grip strength
SPPB	1.000	0.807	0.862	0.503	0.582	0.467	0.410
PPME	0.724	1.000	0.952	0.583	0.633	0.445	0.469
GCS	0.783	0.891	1.000	0.630	0.641	0.485	0.448
DAFS BADL	0.406	0.487	0.585	1.000	0.839	0.432	0.496
DAFS IADL	0.533	0.531	0.610	0.747	1.000	0.508	0.532
Leg strength	0.510	0.518	0.581	0.449	0.501	1.000	0.181
Grip strength	0.461	0.508	0.613	0.431	0.475	0.406	1.000

Note. Entries which share an attribute (bold, underline, italics) are significantly different within age group, 𝑃<.05.