| DF | Dietary fiber |
| DFI-FFQ | Dietary fiber intake–short food frequency questionnaire |
| CVI | Content Validity Index |
| I-CVI | Item-level content validity index |
| S-CVI | Scale-level content validity index |
| UA | Universal agreement |
| DF | Dietary fiber |
| DFI-FFQ | Dietary fiber intake–short food frequency questionnaire |
| CVI | Content Validity Index |
| I-CVI | Item-level content validity index |
| S-CVI | Scale-level content validity index |
| UA | Universal agreement |