Table 4 Internal consistency, test-retest reliability and descriptive data of overall OHRQoL and its subscales

 Oral symptoms

4

3.73 ± 3.25

0–16

0.735

0.655–0.799

0.629

 Functional limitations

4

2.57 ± 2.93

0–16

0.818

0.759–0.863

0.611

 Emotional well being

4

2.44 ± 3.15

0–15

0.776

0.706–0.831

0.735

 Social well being

4

1.36 ± 2.28

0–13

0.895

0.859–0.922

0.626

 Total P-CPQ

16

10.10 ± 9.04

0–53

0.812

0.751–0.858

0.839

 Oral symptoms

2

1.93 ± 1.83

0–8

0.759

0.685–0.818

0.425

 Functional limitations

2

1.54 ± 1.87

0–8

0.779

0.710–0.833

0.387

 Emotional well being

2

1.21 ± 1.80

0–8

0.748

0.672–0.809

0.645

 Social well being

2

0.59 ± 1.20

0–7

0.902

0.869–0.927

0.299

 Total P-CPQ

8

5.30 ± 4.85

0–26

0.816

0.757–0.862

0.710

FIS

8

4.44 ± 5.08

0–24

0.752

0.676–0.812

0.782