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Table 6 Child-OIDP (0 = no impacts, 1 = at least one impact) regressed on socio-demographics, behavioral- and clinical oral health indicators: odds ratio (OR) and 95% Confidence interval (CI), unadjusted and adjusted analyses.

From: Evaluation of oral health-related quality of life among Sudanese schoolchildren using Child-OIDP inventory

  Unadjusted Adjusted
Nagelkerke R2 = 0.350
Public school attendees
n = 514
Adjusted
Nagelkerke R2 = 0.175
Private school attendees
n = 531
Adjusted
Nagelkerke R2 = 0.254
Whole sample
n = 1045
Socio-demographic data
Gender     
   Boy 1 1 1 1
   Girl 0.8(0.7-1.1) 0.9 (0.6-1.3) 0.9 (0.6-1.3) 0.8 (0.6-1.1)
School sector     
   Public 1    1
   Private 1.6(1.2-2.0)*    1.2(0.9-1.7)
Locality     
   Other 1 1 1 1
   Khartoum 1.3(1.0-1.8)* 1.5(0.7-3.0) 1.1(0.7-1.7) 1.2(0.8-1.7)
SES     
   Low 1 1 1 1
   Middle 1.4(1.1-1.8)* 1.9(1.1-3.1)* 1.0(0.7-1.5) 1.3(0.9-1.7)
Behavioral variables    
Tooth-brushing frequency     
   Irregular 1.0(0.6-1.7)    
   Daily     
History of dentist visit 1 1 1 1
   No 0.6(0.4-0.7)* 0.9(0.5-1.4) 0.9(0.6-1.3) 0.8(0.6-1.1)
   Yes     
Satisfaction with oral health
   Not satisfied 1 1 1 1
   Satisfied 0.2(0.1-0.2)* 0.2(0.1-0.5)* 0.6(0.3-0.9)* 0.4(0.3-0.6)*
Perception of oral health
   Bad 1 1 1 1
   Good 0.1(0.1-0.2)* 0.2(0.1-0.5)* 0.3(0.2-0.5)* 0.3(0.2-0.4)*
Sugar-sweetened snack intake
   ≤3 items/week 1 1 1 1
   > 3 items/week 1.6 (1.2-2.0)* 1.4 (0.9-2.1) 1.4 (0.9-2.2) 1.4 (0.9-1.8)
Clinical parameters     
Mean GI index     
   Score ≤ 1 1 1 1 1
   Score > 1 1.3(1.0-1.7)* 1.2 (0.7-1.9) 1.5 (0.9-2.5) 1.3 (0.9-1.8)
Mean PI index     
   Score ≤ 1 1 1 1 1
   Score > 1 1.3(1.0-1.7)* 1.1(0.6-2.0) 1.3(0.8-2.1) 1.3(0.9-1.8)
Dean's Index     
   Score = 0 1    
   Score > 0 1.1(0.7-1.5)    
Caries experience     
   DMFT = 0 1 1 1 1
   DMFT > 1 1.5(1.1-1.9)* 0.9(0.6-1.5) 1.4(0.9-2.2) 1.2(0.9-1.6)
Active caries     
   No 1 1 1 1
   Yes 2.5(1.9-3.4)* 3.5(2.1-5.6)* 1.2(0.7-1.8) 2.0(1.4-2.6)*
Dental trauma     
No 1    
Yes 1.5(0.6-3.5)    
  1. * Chi square P < 0.05