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Table 9 Floor and ceiling effects of the English PIDAQ

From: Validation and reliability of the Malaysian English version of the psychosocial impact of dental aesthetics questionnaire for adolescents

  12–14 years (N = 203) 15–17 years (N = 190) 12–17 years (N = 393)
  % Floor % Ceiling % Floor % Ceiling % Floor % Ceiling
Dental Self-Confidence 3.9 0.5 4.2 0 4.1 0.3
Social Impact 1.0 0 4.7 0.5 2.8 0.3
Psychological Impact 2.5 0 1.6 0.5 2.0 0.3
Aesthetic Concern 13.8 1.5 13.7 1.1 13.7 1.3