Multidimensional structure of the Groningen Frailty Indicator in community-dwelling older people

BMC Geriatrics

Table 2 Factor loadings and eigenvalues from the principal component analysis of the GFI scale ( n = 1508)

	Factor*
	Daily activities	Psychosocial functioning	Health problems
1. Shopping	.646
2. Walking outdoors	.848
3. Dressing and undressing	.855
4. Going to the toilet	.848
5. Physical fitness	.326	.303	.252
6. Vision problems			.742
7. Hearing problems			.737
8. Unintentional weight loss			.374
9. Use of more than three medicines			.498
10. Memory complaints			.339
11. Experience of emptiness		.820
12. Missing people around		.803
13. Feeling abandoned		.789
14. Feeling sad/dejected		.708
15. Feeling nervous/anxious		.598
Initial eigenvalues (95% CI)	4.42 (4.15-4.69)	1.99 (1.85-2.16)	1.18 (1.10-1.29)
Cumulative variance (%)	29.45	42.74	50.58

Abbreviations: GFI Groningen Frailty Indicator, CI confidence interval.
*Factor loadings <0.30 are not presented, except for item 5. Bold loadings correspond to the subscales.

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