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Table 3 Correlation matrix for OIDP frequency scores (1–8)

From: Validity and reliability of the Oral Impacts on Daily Performance (OIDP) frequency scale: a cross-sectional study of adolescents in Uganda

  1 2 3 4 5 6 7 8
1. Eating 1.00        
2. Speaking .54 1.00       
3. Cleaning teeth .51 .44 1.00      
4. Sleeping /relaxing .58 .53 .54 1.00     
5. Showing teeth .42 .45 .46 .56 1.00    
6. Emotion .49 .44 .50 .59 .55 1.00   
7. Work .42 .48 .47 .60 .57 .61 1.00  
8 Social contact .44 .48 .50 .60 .61 .55 .63 1.00