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Table 1 Demographics of the participants

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

Demographics 12–14 years (N) 15–17 years (N) p-value
Gender  
 Male 81 79 0.76
 Female 122 111  
Venue    
 Orthodontic Clinics 55 46 0.76
 Schools 148 144  
Ethnic  
 Malay 163 142 0.56c
 Chinese 24 31  
 Indian 14 15  
 Others 2 2  
aSeverity of malocclusion (Self-rated)  
 Lower quartile (No or slight) 48 53 0.50
 Middle quartile (Moderate) 103 86  
 Upper quartile (Severe) 49 49  
bSeverity of malocclusion (Investigator-rated)  
 Lower quartile (No or slight) 48 46 0.91
 Middle quartile (Moderate) 103 99  
 Upper quartile (Severe) 52 45  
  1. aSelf-rated Malocclusion Index (MI-S); bInvestigator-rated Malocclusion Index (MI-D); cFisher exact-test