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

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

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