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Table 1 Association between type of malocclusion and perceived orthodontic treatment need in 12-year-old children and their mothers

From: Perception of children and mothers regarding dental aesthetics and orthodontic treatment need: a cross-sectional study

Type of malocclusion (DAI) Treatment need (children’s perception) Treatment need of their child (mothers’ perception)
No Yes Odds ratio IC (95 %) p No Yes Odds ratio IC (95 %) p
n % n %    n % n %   
Diastema
 No 67 21.9 172 56.2 0.56 0.09 67 23.1 158 54.5 0.12 0.12
 Yes 12 3.9 55 18 (0.28–1.11)   13 4.5 52 17.9 (0.30–1.15)  
Maxillary overjet
 ≤3 mm 57 21.2 119 44.2 0.43 0.00a 61 24 103 40.6 0.31 0.00a
 >3 mm 16 5.9 77 28.6 (0.23–0.81)   14 5.5 76 29.9 (0.16–0.59)  
Mandibular overjet
 No 78 25.5 223 72.9 0.71 1.00 EF 80 27.6 204 70.7 - 0.32 EF
 Yes 1 0.3 4 1.3 (0.07–6.49)   0 0 6 1.7   
Crowding
 No 46 15 69 22.5 0.313 0.000a 43 14.8 63 21.7 0.369 0.00a
 Yes 33 10.8 158 51.6 (0.185–0.532)   37 12.8 147 50.7 (0.217–0.626)  
Spacing
 No 55 18 147 48 0.802 0.432 53 18.3 138 47.6 0.976 0.93
 Yes 24 7.8 80 26.1 (0.462–1.392)   27 9.3 72 24.8 (0.567–1.682)  
Maxillary misalignment
 No 54 17.6 103 33.7 0.385 0.000a 55 19 93 32.1 0.361 0.00a
 Yes 25 8.2 124 40.5 (0.224–0.661)   25 8.6 117 40.3 (0.209–623)  
Mandibular misalignment
 No 53 17.3 115 37.6 0.504 0.011a 51 17.6 105 36.2 0.569 0.03a
 Yes 26 8.5 112 36.6 (0.295–0.861)   29 10 105 36.2 (0.335–0.966)  
Molar relation
 No 38 12.4 103 37.7 0.896 0.675 34 11.7 100 34.5 1.230 0.43
 Yes 41 13.4 124 40.5 (0.537–1.497)   46 15.9 110 37.9 (0.732–2.068)  
Anterior open bite
 No 76 24.8 204 66.7 0.350 0.102 EF 78 26.9 187 64.5 0.208 0.02EFa
 Yes 3 1 23 7.5 (0.102–1.200)   2 0.7 23 7.9 (0.048–0.906)  
Crossbite
 No 63 20.6 167 54.6 0.707 0.274 63 21.7 156 53.8 0.78 0.42
 Yes 16 5.2 60 19.6 (0.379–1.318)   17 5.9 54 18.6 (0.420–1.447)  
  1. EF exact Fisher’s test
  2. aSignificant chi-square test