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Table 3 Bivariate analysis of the associations between the desire for orthodontic treatment and biopsychosocial variables

From: Factors associated with the desire for orthodontic treatment among Brazilian adolescents and their parents

  Desire for orthodontic treatment
  No n (%) Yes n (%) P value*
Normative need (DAI)    
   No need 71 (34.6) 134 (65.4)  
   Elective 12 (11.9) 89 (88.1) <0.001
   Highly desirable 3 (3.1) 93 (96.9)  
Need for treatment (parents)    
   No 67 (64.4) 37 (35.6) <0.001
   Yes 17 (5.9) 273 (94.1)  
Aesthetic self-perception (OASIS)    
   Positive 75 (37.7) 124 (62.3)  
   Negative 11 (5.5) 190 (94.5)  
Parents' perception (aesthetic of child)    
   Satisfactory 80 (30.5) 182 (69.5) <0.001
   Unsatisfactory 4 (3.0) 128 (97.0)  
Gender    
   Male 33 (23.2) 109 (76.8) 0.552
   Female 54 (20.7) 207 (79.3)  
Age    
   14 - 15 years 40 (19.7) 163 (80.3) 0.354
   16 - 18 years 47 (23.5) 153 (76.5)  
Economic level    
   High 54 (39.4) 83 (60.6)  
   Intermediate 25 (13.7) 157 (86.3) <0.001
   Low 8 (9.5) 76 (90.5)  
Father's schooling    
   ≥ 8 years 68 (28.9) 167 (71.1) <0.001
   < 8 years 13 (9.2) 129 (90.8)  
Mother's schooling    
   ≥ 8 years 69 (28.5) 173 (71.5) <0.001
   < 8 years 13 (9.2) 128 (90.8)  
  1. * Chi-square test