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Table 5 Correlational construct validity: correlations between CPQ scores and global ratings of oral health and overall well-being (TMD groups)

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

TMD groups CPQ8-10 (n = 141) CPQ11-14 (n = 176)
  Oral Health Overall Well-being Oral Health Overall Well-being
  R a P b R a P b R a P b R a P b
Total scale 0.36 < 0.0001 0.41 < 0.0001 0.37 < 0.0001 0.62 < 0.0001
Subscales         
   Oral symptoms 0.37 < 0.0001 0.39 < 0.0001 0.36 < 0.0001 0.42 < 0.0001
   Functional limitations 0.25 0.002 0.41 < 0.0001 0.28 0.000 0.48 < 0.0001
   Emotional well-being 0.44 < 0.0001 0.38 < 0.0001 0.34 < 0.0001 0.57 < 0.0001
   Social well-being 0.28 0.000 0.36 < 0.0001 0.26 0.000 0.53 < 0.0001
  1. TMD, temporomandibular disorder; CPQ, child perceptions questionnaire