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Table 4 Component coefficients of the individual items of the MFPDI in older people and comparison to factor structure of Menz et al [12].

From: Development and validation of a Greek language version of the Manchester Foot Pain and Disability Index

  Component 1 Component 2 Component 3 Component 4 Factor structure
% variance explained 38.9 8.2 7.1 6.6 Menz et al [12]. Current study
Item       
1. I avoid walking outside at all 0.592 0.136 -0.423 0.386 AR FL*
2. I avoid walking distances 0.702 -0.029 -0.429 -0.042 FL FL
3. I don't walk in a normal way 0.703 -0.122 0.147 0.121 FL FL
4. I walk slowly 0.603 -0.473 -0.150 0.051 FL FL
5. I have to stop and rest my feet 0.773 -0.182 0.072 -0.061 FL FL
6. I avoid hard or rough surfaces where possible 0.641 -0.084 -0.283 -0.283 FL FL
7. I avoid standing for a long time 0.636 -0.289 -0.063 0.116 FL FL
8. I catch the bus or use the car more often 0.539 0.218 -0.151 0.527 FL FL/AR*
9. I need help with housework/shopping 0.644 -0.145 0.077 -0.206 AR FL
10. I still do everything but with more pain or discomfort 0.707 0.033 0.013 -0.377 PI FL*
11. I get irritable when my feet hurt 0.650 0.303 -0.044 0.025 PI FL*
12. I feel self-conscious about my feet 0.551 0.278 0.470 -0.263 CA FL*
13. I get self-conscious about the shoes I have to wear 0.420 0.101 0.599 0.470 CA CA
14. I have constant pain in feet 0.768 0.178 0.134 -0.113 PI FL*
15. My feet are worse in the morning 0.483 0.601 0.285 0.161 PI PI
16. My feet are more painful in the evening 0.392 0.522 -0.078 0.107 PI PI
17. I get shooting pains in my feet 0.643 0.309 0.055 -0.226 PI FL*
  1. Notes: FL – functional limitation, PI – pain intensity, CA – concern about appearance, AR – activity restriction. Factor loadings > 0.45 highlighted in bold. *Different factor loading