Skip to main content

Table 2 Multiple Poisson regression of association among independent variable and dental caries (DMFT)

From: Reliability of self-reported toothbrushing frequency as an indicator for the assessment of oral hygiene in epidemiological research on caries in adolescents: a cross-sectional study

Oral hygiene variables

Model 1

Model 2

Model 3

Model 4

Model 5

Model 6

RR [CI]

p*

RR [CI]

p*

RR [CI]

p*

RR [CI]

p*

RR [CI]

p*

RR [CI]

p*

Toothbrush Frequency

            

 ≤ twice a day

2.67

     

2.80

 

2.79

 

2.83

 
 

[2.19-3.26]

     

[2.26-3.45]

 

[2.23-3.48]

 

[2.26-3.54]

 

 More than twice a day

1

<0.001

    

1

<0.001

1

<0.001

1

<0.001

Simplified Oral Hygiene Index

            

 Unsatisfactory

  

1.31

   

0.90

   

0.92

 
   

[1.11-1.54]

   

[0.77-1.05]

   

[0.77-1.08]

 

 Satisfactory

  

1

<0.001

  

1

0.190

  

1

0.301

Visible Plaque Index

            

 Present

    

1.48

   

0.921

 

0.96

 
     

[1.23-1.76]

   

[0.78-1.09]

 

[0.80-1.16]

 

 Absent

    

1

<0.001

  

1

0.347

1

0.686

  1. *Significance evaluated by Multiple Poisson regression. RR: Rate ratio adjusted by gender, mother’s level of education, household income, sugar intake, mutans streptococci and lactobacilli. CI: 95% confidence interval. Results significant at the 5% level marked in bold.
Back to article page

BMC Medical Research Methodology

ISSN: 1471-2288

Contact us