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Table 3 Reliability analysis based on the OHIP-14Sp inter-item correlation

From: Validation of the Spanish version of the Oral Health Impact Profile (OHIP-14Sp) in elderly Chileans

Impact item

1

2

3

4

5

6

7

8

9

10

11

12

13

14

1 Breath stale

1.00

             

2 Digestion worse

0.37

1.00

            

3 Sensitive teeth

0.39

0.36

1.00

           

4 Toothache

0.39

0.40

0.55

1.00

          

5 Dental problems made you miserable

0.33

0.45

0.27

0.46

1.00

         

6 Felt uncomfortable about the appearance

0.48

0.52

0.30

0.32

0.63

1.00

        

7 Speech unclear

0.32

0.52

0.17

0.33

0.55

0.58

1.00

       

8 Others misunderstood

0.38

0.53

0.27

0.37

0.59

0.66

0.81

1.00

      

9 Sleep interrupted

0.33

0.44

0.26

0.37

0.33

0.42

0.24

0.34

1.00

     

10 Upset

0.37

0.42

0.29

0.28

0.58

0.66

0.44

0.53

0.62

1.00

    

11 Less tolerant of others

0.44

0.32

0.30

0.28

0.37

0.37

0.32

0.41

0.41

0.36

1.00

   

12 Difficulty doing jobs

0.31

0.41

0.05

0.10

0.45

0.46

0.57

0.55

0.35

0.46

0.41

1.00

  

13 Unable function

0.38

0.52

0.24

0.35

0.55

0.56

0.46

0.55

0.55

0.56

0.37

0.53

1.00

 

14 Unable to work

0.23

0.42

0.25

0.27

0.37

0.41

0.40

0.44

0.60

0.51

0.39

0.44

0.56

1.0