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Table 3 Discriminant construct validity: a comparison between the CPQ mean scores of the TMD and control groups

From: Evaluating oral health-related quality of life measure for children and preadolescents with temporomandibular disorder

  

TMD group (n = 141)

Control group (n = 106)

  
  

Mean (SD)

Mean (SD)

P *

ES †

CPQ8-10

Overall scale [0-100]

20.6 (17.7)

13.5 (15.4)

< 0.0001

0.43

 

Subscales

    
 

   Oral symptoms [0-20]

7.2 (4.0)

5.2 (3.9)

< 0.0001

0.55

 

   Functional limitations [0-20]

3.8 (4.2)

2.6 (3.8)

0.001

0.36

 

   Emotional well-being [0-20]

4.6 (4.7)

2.6 (4.1)

< 0.0001

0.52

 

   Social well-being [0-40]

5.5 (7.4)

3.1 (5.9)

0.009

0.39

  

TMD group (n = 176)

Control group (n = 124)

  
  

Mean (SD)

Mean (SD)

P*

ES †

CPQ11-14

Overall scale [0-148]

27.6 (20.7)

16.3 (14.8)

< 0.0001

0.62

 

Subscales

    
 

   Oral symptoms [0-24]

7.0 (4.7)

5.2 (3.5)

< 0.0001

0.46

 

   Functional limitations [0-26]

6.5 (5.6)

3.6 (4.2)

< 0.0001

0.62

 

   Emotional well-being [0-36]

7.9 (7.6)

4.5 (5.6)

< 0.0001

0.53

 

   Social well-being [0-52]

5.9 (6.7)

2.9 (4.0)

< 0.0001

0.56

  1. TMD, temporomandibular disorder; CPQ, child perceptions questionnaire
  2. Values in square brackets indicate range of possible scores
  3. * P-values obtained from Mann-Whitney test
  4. † ES = Effect sizes, difference in group means/pooled SD
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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