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Table 2 Univariate and multivariate logistic regression analyses considering associations between the desire for orthodontic treatment (dependent variable) and remaining variables (independent)

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

  Non-adjusted OR (95% CI) p Adjusted OR *
(95% CI)
p
Malocclusion     
   Absent 1    
   Present 6.4 (3.5-11.7) <0.001   
Open bite     
   < 2 mm 1    
   > 2 mm 3.1 (0.9-10.6) 0.062   
Crowding     
   without crowding, 1    
   one crowded segment, 2.3 (1.4-4.0) 0.002   
   two crowded segments 8.3 (3.8-18.4) <0.001   
Lower crowding     
   <2 mm 1    
   ≥ 2 mm 2.1 (1.3-3.4) 0.002   
Upper crowding     
   <2 mm 1   1  
   ≥ 2 mm 4.7 (2.7-8.4) <0.001 2.3 (1.1-4.6) 0.021
Upper overjet     
   <4 mm 1    
   ≥ 4 mm 4.4 (1.8-10.5) 0.001   
Molar relation     
   Normal 1    
   Half cuspid 2.6 (1.5-4.7) 0.001   
   One cuspid 3.7 (0.5-29.4) 0.217   
Normative need (DAI)     
   No need 1    
   Elective 3.9 (2.0-7.7) <0.001   
   Highly desirable 16.4 (5.0- 53.7) <0.001   
Need for treatment (parents)     
   No 1   1  
   Yes 29.1 (15.4-54.8) <0.001 21.6 (10.6-44.1) <0.001
Aesthetic self-perception (OASIS) 1    
   Positive 10.4 (5.3-20.5) <0.001   
   Negative     
Parents' perception (aesthetics of child) 1    
   Satisfactory 14.1 (5.0-39.4) <0.001   
   Unsatisfactory     
Economic level     
   High 1    
   Intermediate 4.1 (2.4-7.0) <0.001   
   Low 6.2 (2.8-13.8) <0.001   
Father's schooling     
   High 1    
   Low 4.0 (2.1-7.6) 0.001   
Mother's schooling     
   High 1    
   Low 3.9 (2.1-7.4) <0.001   
  1. * Adjusted for gender, age and socioeconomic level