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Table 3 Poisson analysis for decayed teeth (DT) in relation to demographic, socioeconomic and dental care

From: Untreated dental caries prevalence and impact on the quality of life among 11 to14-year-old Egyptian schoolchildren: a cross-sectional study

Predictors

Univariate analysis

Model 1

Model 2

Model 3

Model 4

Unadjusted PR 95% CI

p-value

Adjusted PR

95% CI

p-value

Adjusted PR

95% CI

p-value

Adjusted PR

95% CI

p-value

Adjusted PR

95% CI

p-value

Gender

 Male

1.07(0.98;1.14)

0.17

0.94(0.80;1.11)

0.47

1.07(0.86;1.18)

0.11

0.99(0.84;1.16)

0.90

1.06(0.98;1.14)

0.15

 Female

1

 

1

 

1

 

1

 

1

 

Mother education (years)

 <9

1.21(1.06;1.24)

0.002

  

1.58(1.27;1.95)

<0.0001

1.56(1.25;1.95)

<0.0001

1.41(1.14;1.74)

0.006

  ≥ 9

1

   

1

 

1

 

1

 

School type

 Public

1.14(1.09;1.29)

0.01

  

1.34(1.09;1.64)

0.006

1.48(1.18;1.85)

0.001

1.27(1.17;1.38)

0.02

 Private

1

   

1

 

1

 

1

 

Household expenditure

 <3.20$/day

1.16(1.06;3.19)

0.02

  

1.21(1.03;1.33)

0.018

1.23(1.11;1.39)

0.01

1.22(1.12;1.49)

0.04

  ≥ 3.20$ /day

1

   

1

 

1

 

1

 

Tooth brushing

 Irregular

1.21(1.06;1.49)

0.05

    

1.02(0.75;1.15)

0.51

1.14(0.80;1.84)

0.46

 Regular

1

     

1

 

1

 

Dental appointments

 No

1.11(1.05;1.23)

0.03

    

1.20(1.04;1.29)

0.04

1.25(1.16;1.46)

0.004

 Yes

1

     

1

 

1

 

Mouth wash use

 No

1.03(0.79;1.33)

0.85

    

1.08(0.89;1.94)

0.14

1.18(0.89;1.84)

0.19

 Yes

1

     

1

 

1

 

Dental floss use

 No

1.07(0.70;1.22)

0.30

    

1.12(0.91;1.28)

0.48

1.05(0.8;1.36)

0.73

 Yes

1

     

1

 

1

 
  1. PR Prevalence Ratio