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Table 2 Results obtained for the CFQ – ALB

From: Psychometric properties of the Albanian version of chewing-function questionnaire CFQ-ALB

CFQ item Mean SD Corrected item-total correlation Cronbach's Alpha if item deleted Factor loading
1. Have you had any difficulty chewing apples/raw carrots or foods of similar consistency? 1.22 1.17 0.924 0.968 0.941
2. Have you had any difficulty chewing bacon/smoked ham/baked or fried firm meat or foods of similar consistency? 1.73 1.39 0.887 0.970 0.908
3. Have you had any difficulties chewing biscuits, crackers, tea biscuits or foods of similar consistency? 1.11 1.06 0.924 0.969 0.942
4. Have you had any difficulty chewing fresh bread, doughnuts or foods of similar consistency? 1.01 1.03 0.917 0.969 0.936
5. Have you had any difficulty chewing nuts/walnuts/almonds/macadamia or similar food? 1.34 1.24 0.912 0.969 0.931
6. Have you had any difficulty chewing lettuce, raw cabbage or similar food? 1.03 1.06 0.909 0.969 0.930
7. Have you felt insecure when you are chewing? 1.22 1.15 0.901 0.969 0.923
8. Have you had any difficulty when biting different foods (food incision)? 1.27 1.20 0.886 0.970 0.910
9. Have you noticed food catching or food remaining sticked in your teeth or dentures during or after meals? 1.80 1.00 0.646 0.977 0.694
10. Have you had any difficulty chewing chewing-gum? 1.42 1.42 0.874 0.971 0.896